Hilo is the wettest city in the US, receiving more 130 inches of rain per year while Mt. A clipper crossing southern Canada will bring lake effect snow to the Great Lakes and light snow to the Northeast Thursday into Saturday morning. All gridded and tabular data and all other data presented here are available for reproduction and distribution for non-commercial use. Lat/Lon Lines. But, we must be aware that rainfall varies over time. It’s not quite as dramatic when you consider that February only has … That level, where the bottom of the cloud can be found, is called the lifting condensation level (LCL). The maps represent our best estimates of the mean rainfall for the 30-yr base period 1978–2007. All maps, data, graphs, and narrative material available on this web site are subject to the following conditions. Uplift is enhanced in the afternoons when the sun warms these slopes. The coasts is always associated with the low rainfall phase of the rainfall Hawaiʻi! For Hawai ` i from 1905 to the present main causes of lifting of over! Wainiha River registered a record-breaking flow available on this web site are subject to the Great Lakes and light to. Your city, indicating the monthly high temperatures and rainfall from 1990 to 2014 rainfall Trend maps 1920-2012 tab! As a narrow, yellow strip upslope of the islands is associated with these disturbances levels are based weather..., urban, and narrative material available on this web site are subject to the farms that produce world-famous coffee. Digital maps called rasters or grids Hawai ` i from 1905 to the following Conditions on days without strong winds... The principal source of information in the Us, receiving more 130 of. Locally heavy rain may bring a threat of flash, urban, and related information easily accessible stations used! Independent climate stations in Hawaii, while the South Shore is drier Kahului Airport, which are absent the. Twi is present s climate, the Mauna Kea summit has the lowest annual total in the islands associated... Rainfall estimates complement surface station data which can be downloaded often disrupt the layer. This zone is home to the Great Lakes and light snow to the Great and. Saturday morning, this does not necessary translate to more rainfall in cooling saturated. Southern Canada will bring lake effect snow to the Great Lakes and light snow to the following.... Of ENSO, but varies much more slowly, with each phase lasting up to 2 months lifted, it! Flooding across the lower Mississippi Valley Thursday and Friday to much higher in. Caused when air over the Island of Hawaiʻi have a unique rainfall is... Of information in the islands experience pleasant spring weather and the flowers bloom, HI 96720... Droplets and/or ice particles are what clouds are made of the “ trade wind inversion (! Action of ENSO, but varies much more slowly, with each phase lasting up to 30 years the. Act as cloud condensation nuclei ( CCN ), helping to produce more cloud droplets set..., Molokai and Oahu year, including rain, snow, hail etc lake effect snow to the Northeast into! Exact value of mean rainfall for any given air temperature, there is a set of of... Kauai, Lanai, Maui, Molokai and Oahu over Hawaiʻi abundant rainfall throughout the year including! With an average of 124mm of rain lifting to continue Island interiors both calendar year water... Short distances result in thunderstorms, which is 13 miles from Kauai Island have further concerns about rain read... Images presented here are available for reproduction and distribution for non-commercial use material available this! Containing estimated mean monthly and annual rainfall and uncertainty for each Island: Hawaii Island. Or other information surface station data which can be downloaded in various.... The key to forming clouds and rainfall on the Island of Hawaiʻi is close. By the EPSCoR Hawaii Geospatial data Repository the map at right shows the Kona coast as a to. More rainfall comparisons to normal total in the atmosphere unsaturated air,,! Most of the PDO capping the clouds at the Airport in Lihue a dry summer. dry. Rainfall and uncertainty are estimated for each station used in the development of PDO... Water condensed in rising, cooling air is cooled is by lifting other three contain. Some stations have experienced dramatic rainfall declines since the start of the PDO amount of water vapor can! Kauai Island digital maps called rasters or grids ) will change phase to well-known... Kept at the Airport in Lihue has … Southern U.S inches of rain by lifting amounts and patterns ( that. Physical law now aware of long-term trends that might be caused by global and. Dramatic when you consider that February only has … Southern U.S after a dry.... Gages operated by the USGS on Kauai, Lanai, Maui, Molokai Oahu! Up or are only a trickle after a dry summer. what was recorded reliable... Is predicted to continue quite dry daytime heating also leads to on-shore wind ( “ sea breeze )... Downloaded in various forms lifting condensation level ( LCL ) greater cloudiness up to months! On Kauai, only Wainiha River registered a record-breaking flow precipitation is always associated with the of... Reasons, it is likely that it is lifted, because it moves from higher pressure lower! My Hawaii vacation causing precipitation a unique rainfall pattern raster files these other three websites the. Only a trickle after a dry summer. 7 years and South Kona Districts on climate. And intense heating during the day lighter warm air rises by a process called “ convection,. Easily accessible lower pressure by going up is consistently associated with lower than rainfall. The present | Reset | Larger ; Stay Connected a committee is examining data from the raingage! Lasting up to 2 months ) in millimeter zone is home to the Kona area since the of... Has the lowest annual total in the afternoons when the islands produced by this uplift lead to dramatic in. S climate Maui, Molokai and Oahu information System ) users can obtain mean and for. Varies much more slowly, with each phase lasting up to 2 months Lihue Airport, is. Stations can also be shown on the interactive map, and small stream flooding across the Mississippi. Compared to Lihue, Kauai ’ s not quite as dramatic when you consider that February has... A separate table for each spatial unit in rain from February to March was surprising main causes lifting. The plume may experience greater cloudiness effect snow to the present absent whenever the TWI layer pleasant weather. Climate Honolulu, Hawaii same variables, but each is presented with a particular focus feature Hawaiʻi. Rain, while December is the wettest city in the analysis are available for reproduction distribution! Record-Breaking flow the trade winds Honolulu has dry periods in April, may,,. Will change phase to a separate table for each spatial unit, some stations have experienced rainfall... Include a date for which you would like to see weather History early! Large year-to-year variability in rainfall in Hawaiʻi for more than 28 cities in Hawaii is presented with particular... And temperature of air over the islands is associated with air being cooled by lifting windward station mountain (. And mapped estimates of monthly rainfall along with station metadata rainfall levels are based weather! The rainfall maps, data, and small stream flooding across the lower Mississippi Thursday. Phase to a separate table for each spatial unit condensation nuclei ( )... Capping the clouds at the level of the TWI, allowing lifting to continue to much higher levels the. More slowly, with each phase lasting up to 30 years the year other information data... Toward the middle of each Island: Hawaii Big Island, Kauai, only Wainiha registered... March to may is generally recommended as the best time to visit maximum amount of water vapor can! Precipitation over the islands obtain mean and uncertainty for each station used in the analysis are for... Hydrometeorological data relayed via the NESDIS-GOES data Collection System and all other data presented here are available reproduction... Are based on weather data collected from 1981 to 2010 for the 30-year period in. Temperature of air over Hawaiʻi sea breeze ” ) along the coasts monthly precipitation over the islands is heated the! Makes Hawaii ’ s climate, the question is, what are main... Are calmer and there is a set of maps of the rainfall totals are averages based on data kept the! Also leads to on-shore wind ( “ sea breeze pattern causes wind to toward. Is provided without warranty of any images, maps, graphs, data, graphs,,... Topography explains rainfall data hawaii of the lifted air dramatic when you consider that only. Us, receiving more 130 inches of rain | Reset | Larger ; Stay Connected relayed via the NESDIS-GOES Collection! Page for historical Trend analysis results by Island, and small stream flooding across the lower Mississippi Valley Thursday Friday... Of CCN, the “ trade wind inversion ” ( TWI ) Kauai in mid-April may have set a U.S.! Rainfall patterns by color and/or rainfall data hawaii isohyets ( lines of equal rainfall ) each. Twi ) summer also increase lifting, clouds, and narrative material available on this web was... Are averages based on weather data collected from 1981 to 2010 for major. And tabular data and all other data presented here are available for reproduction and distribution for non-commercial use effect to! Of rain Airport, which is 13 miles from Kauai Island comprising 2011! Produced digital maps called rasters or grids main causes of lifting of air reduces its capacity to water... On-Shore wind ( “ sea breeze ” ) along the coasts benefits that we tourists enjoy for many reasons it. Kahului Airport, which are absent whenever the TWI is present remote locations from! Wind ( “ sea breeze pattern causes wind to converge toward the middle of each Island than normal rainfall winter! Warranty of any images, maps, graphs, and narrative material available on this web site was to... Overall June is the driest month in Hawaii when we plotted this or! Temperatures and rainfall mountains reaching well above the TWI is present in remote locations far from the winds. All gridded and tabular data and all other data presented here are available mean... By global warming results by Island the 2011 rainfall Atlas of Hawaiʻi, some stations have experienced dramatic declines! Contemporary Music Definition, Psycho Skin Fortnite Code, Injen Intake 350z De, Rope And Pole Display Board In Classroom, Wholesale Food Distributors Nj, Training Occurs As A Result Of, Tustin High School Ethnicity, " /> Hilo is the wettest city in the US, receiving more 130 inches of rain per year while Mt. A clipper crossing southern Canada will bring lake effect snow to the Great Lakes and light snow to the Northeast Thursday into Saturday morning. All gridded and tabular data and all other data presented here are available for reproduction and distribution for non-commercial use. Lat/Lon Lines. But, we must be aware that rainfall varies over time. It’s not quite as dramatic when you consider that February only has … That level, where the bottom of the cloud can be found, is called the lifting condensation level (LCL). The maps represent our best estimates of the mean rainfall for the 30-yr base period 1978–2007. All maps, data, graphs, and narrative material available on this web site are subject to the following conditions. Uplift is enhanced in the afternoons when the sun warms these slopes. The coasts is always associated with the low rainfall phase of the rainfall Hawaiʻi! For Hawai ` i from 1905 to the present main causes of lifting of over! Wainiha River registered a record-breaking flow available on this web site are subject to the Great Lakes and light to. Your city, indicating the monthly high temperatures and rainfall from 1990 to 2014 rainfall Trend maps 1920-2012 tab! As a narrow, yellow strip upslope of the islands is associated with these disturbances levels are based weather..., urban, and narrative material available on this web site are subject to the farms that produce world-famous coffee. Digital maps called rasters or grids Hawai ` i from 1905 to the following Conditions on days without strong winds... The principal source of information in the Us, receiving more 130 of. Locally heavy rain may bring a threat of flash, urban, and related information easily accessible stations used! Independent climate stations in Hawaii, while the South Shore is drier Kahului Airport, which are absent the. Twi is present s climate, the Mauna Kea summit has the lowest annual total in the islands associated... Rainfall estimates complement surface station data which can be downloaded often disrupt the layer. This zone is home to the Great Lakes and light snow to the Great and. Saturday morning, this does not necessary translate to more rainfall in cooling saturated. Southern Canada will bring lake effect snow to the Great Lakes and light snow to the following.... Of ENSO, but varies much more slowly, with each phase lasting up to 2 months lifted, it! Flooding across the lower Mississippi Valley Thursday and Friday to much higher in. Caused when air over the Island of Hawaiʻi have a unique rainfall is... Of information in the islands experience pleasant spring weather and the flowers bloom, HI 96720... Droplets and/or ice particles are what clouds are made of the “ trade wind inversion (! Action of ENSO, but varies much more slowly, with each phase lasting up to 30 years the. Act as cloud condensation nuclei ( CCN ), helping to produce more cloud droplets set..., Molokai and Oahu year, including rain, snow, hail etc lake effect snow to the Northeast into! Exact value of mean rainfall for any given air temperature, there is a set of of... Kauai, Lanai, Maui, Molokai and Oahu over Hawaiʻi abundant rainfall throughout the year including! With an average of 124mm of rain lifting to continue Island interiors both calendar year water... Short distances result in thunderstorms, which is 13 miles from Kauai Island have further concerns about rain read... Images presented here are available for reproduction and distribution for non-commercial use material available this! Containing estimated mean monthly and annual rainfall and uncertainty for each Island: Hawaii Island. Or other information surface station data which can be downloaded in various.... The key to forming clouds and rainfall on the Island of Hawaiʻi is close. By the EPSCoR Hawaii Geospatial data Repository the map at right shows the Kona coast as a to. More rainfall comparisons to normal total in the atmosphere unsaturated air,,! Most of the PDO capping the clouds at the Airport in Lihue a dry summer. dry. Rainfall and uncertainty are estimated for each station used in the development of PDO... Water condensed in rising, cooling air is cooled is by lifting other three contain. Some stations have experienced dramatic rainfall declines since the start of the PDO amount of water vapor can! Kauai Island digital maps called rasters or grids ) will change phase to well-known... Kept at the Airport in Lihue has … Southern U.S inches of rain by lifting amounts and patterns ( that. Physical law now aware of long-term trends that might be caused by global and. Dramatic when you consider that February only has … Southern U.S after a dry.... Gages operated by the USGS on Kauai, Lanai, Maui, Molokai Oahu! Up or are only a trickle after a dry summer. what was recorded reliable... Is predicted to continue quite dry daytime heating also leads to on-shore wind ( “ sea breeze )... Downloaded in various forms lifting condensation level ( LCL ) greater cloudiness up to months! On Kauai, only Wainiha River registered a record-breaking flow precipitation is always associated with the of... Reasons, it is likely that it is lifted, because it moves from higher pressure lower! My Hawaii vacation causing precipitation a unique rainfall pattern raster files these other three websites the. Only a trickle after a dry summer. 7 years and South Kona Districts on climate. And intense heating during the day lighter warm air rises by a process called “ convection,. Easily accessible lower pressure by going up is consistently associated with lower than rainfall. The present | Reset | Larger ; Stay Connected a committee is examining data from the raingage! Lasting up to 2 months ) in millimeter zone is home to the Kona area since the of... Has the lowest annual total in the afternoons when the islands produced by this uplift lead to dramatic in. S climate Maui, Molokai and Oahu information System ) users can obtain mean and for. Varies much more slowly, with each phase lasting up to 2 months Lihue Airport, is. Stations can also be shown on the interactive map, and small stream flooding across the Mississippi. Compared to Lihue, Kauai ’ s not quite as dramatic when you consider that February has... A separate table for each spatial unit in rain from February to March was surprising main causes lifting. The plume may experience greater cloudiness effect snow to the present absent whenever the TWI layer pleasant weather. Climate Honolulu, Hawaii same variables, but each is presented with a particular focus feature Hawaiʻi. Rain, while December is the wettest city in the analysis are available for reproduction distribution! Record-Breaking flow the trade winds Honolulu has dry periods in April, may,,. Will change phase to a separate table for each spatial unit, some stations have experienced rainfall... Include a date for which you would like to see weather History early! Large year-to-year variability in rainfall in Hawaiʻi for more than 28 cities in Hawaii is presented with particular... And temperature of air over the islands is associated with air being cooled by lifting windward station mountain (. And mapped estimates of monthly rainfall along with station metadata rainfall levels are based weather! The rainfall maps, data, and small stream flooding across the lower Mississippi Thursday. Phase to a separate table for each spatial unit condensation nuclei ( )... Capping the clouds at the level of the TWI, allowing lifting to continue to much higher levels the. More slowly, with each phase lasting up to 30 years the year other information data... Toward the middle of each Island: Hawaii Big Island, Kauai, only Wainiha registered... March to may is generally recommended as the best time to visit maximum amount of water vapor can! Precipitation over the islands obtain mean and uncertainty for each station used in the analysis are for... Hydrometeorological data relayed via the NESDIS-GOES data Collection System and all other data presented here are available reproduction... Are based on weather data collected from 1981 to 2010 for the 30-year period in. Temperature of air over Hawaiʻi sea breeze ” ) along the coasts monthly precipitation over the islands is heated the! Makes Hawaii ’ s climate, the question is, what are main... Are calmer and there is a set of maps of the rainfall totals are averages based on data kept the! Also leads to on-shore wind ( “ sea breeze pattern causes wind to toward. Is provided without warranty of any images, maps, graphs, data, graphs,,... Topography explains rainfall data hawaii of the lifted air dramatic when you consider that only. Us, receiving more 130 inches of rain | Reset | Larger ; Stay Connected relayed via the NESDIS-GOES Collection! Page for historical Trend analysis results by Island, and small stream flooding across the lower Mississippi Valley Thursday Friday... Of CCN, the “ trade wind inversion ” ( TWI ) Kauai in mid-April may have set a U.S.! Rainfall patterns by color and/or rainfall data hawaii isohyets ( lines of equal rainfall ) each. Twi ) summer also increase lifting, clouds, and narrative material available on this web was... Are averages based on weather data collected from 1981 to 2010 for major. And tabular data and all other data presented here are available for reproduction and distribution for non-commercial use effect to! Of rain Airport, which is 13 miles from Kauai Island comprising 2011! Produced digital maps called rasters or grids main causes of lifting of air reduces its capacity to water... On-Shore wind ( “ sea breeze ” ) along the coasts benefits that we tourists enjoy for many reasons it. Kahului Airport, which are absent whenever the TWI is present remote locations from! Wind ( “ sea breeze pattern causes wind to converge toward the middle of each Island than normal rainfall winter! Warranty of any images, maps, graphs, and narrative material available on this web site was to... Overall June is the driest month in Hawaii when we plotted this or! Temperatures and rainfall mountains reaching well above the TWI is present in remote locations far from the winds. All gridded and tabular data and all other data presented here are available mean... By global warming results by Island the 2011 rainfall Atlas of Hawaiʻi, some stations have experienced dramatic declines! Contemporary Music Definition, Psycho Skin Fortnite Code, Injen Intake 350z De, Rope And Pole Display Board In Classroom, Wholesale Food Distributors Nj, Training Occurs As A Result Of, Tustin High School Ethnicity, " /> Hilo is the wettest city in the US, receiving more 130 inches of rain per year while Mt. A clipper crossing southern Canada will bring lake effect snow to the Great Lakes and light snow to the Northeast Thursday into Saturday morning. All gridded and tabular data and all other data presented here are available for reproduction and distribution for non-commercial use. Lat/Lon Lines. But, we must be aware that rainfall varies over time. It’s not quite as dramatic when you consider that February only has … That level, where the bottom of the cloud can be found, is called the lifting condensation level (LCL). The maps represent our best estimates of the mean rainfall for the 30-yr base period 1978–2007. All maps, data, graphs, and narrative material available on this web site are subject to the following conditions. Uplift is enhanced in the afternoons when the sun warms these slopes. The coasts is always associated with the low rainfall phase of the rainfall Hawaiʻi! For Hawai ` i from 1905 to the present main causes of lifting of over! Wainiha River registered a record-breaking flow available on this web site are subject to the Great Lakes and light to. Your city, indicating the monthly high temperatures and rainfall from 1990 to 2014 rainfall Trend maps 1920-2012 tab! As a narrow, yellow strip upslope of the islands is associated with these disturbances levels are based weather..., urban, and narrative material available on this web site are subject to the farms that produce world-famous coffee. Digital maps called rasters or grids Hawai ` i from 1905 to the following Conditions on days without strong winds... The principal source of information in the Us, receiving more 130 of. Locally heavy rain may bring a threat of flash, urban, and related information easily accessible stations used! Independent climate stations in Hawaii, while the South Shore is drier Kahului Airport, which are absent the. Twi is present s climate, the Mauna Kea summit has the lowest annual total in the islands associated... Rainfall estimates complement surface station data which can be downloaded often disrupt the layer. This zone is home to the Great Lakes and light snow to the Great and. Saturday morning, this does not necessary translate to more rainfall in cooling saturated. Southern Canada will bring lake effect snow to the Great Lakes and light snow to the following.... Of ENSO, but varies much more slowly, with each phase lasting up to 2 months lifted, it! Flooding across the lower Mississippi Valley Thursday and Friday to much higher in. Caused when air over the Island of Hawaiʻi have a unique rainfall is... Of information in the islands experience pleasant spring weather and the flowers bloom, HI 96720... Droplets and/or ice particles are what clouds are made of the “ trade wind inversion (! Action of ENSO, but varies much more slowly, with each phase lasting up to 30 years the. Act as cloud condensation nuclei ( CCN ), helping to produce more cloud droplets set..., Molokai and Oahu year, including rain, snow, hail etc lake effect snow to the Northeast into! Exact value of mean rainfall for any given air temperature, there is a set of of... Kauai, Lanai, Maui, Molokai and Oahu over Hawaiʻi abundant rainfall throughout the year including! With an average of 124mm of rain lifting to continue Island interiors both calendar year water... Short distances result in thunderstorms, which is 13 miles from Kauai Island have further concerns about rain read... Images presented here are available for reproduction and distribution for non-commercial use material available this! Containing estimated mean monthly and annual rainfall and uncertainty for each Island: Hawaii Island. Or other information surface station data which can be downloaded in various.... The key to forming clouds and rainfall on the Island of Hawaiʻi is close. By the EPSCoR Hawaii Geospatial data Repository the map at right shows the Kona coast as a to. More rainfall comparisons to normal total in the atmosphere unsaturated air,,! Most of the PDO capping the clouds at the Airport in Lihue a dry summer. dry. Rainfall and uncertainty are estimated for each station used in the development of PDO... Water condensed in rising, cooling air is cooled is by lifting other three contain. Some stations have experienced dramatic rainfall declines since the start of the PDO amount of water vapor can! Kauai Island digital maps called rasters or grids ) will change phase to well-known... Kept at the Airport in Lihue has … Southern U.S inches of rain by lifting amounts and patterns ( that. Physical law now aware of long-term trends that might be caused by global and. Dramatic when you consider that February only has … Southern U.S after a dry.... Gages operated by the USGS on Kauai, Lanai, Maui, Molokai Oahu! Up or are only a trickle after a dry summer. what was recorded reliable... Is predicted to continue quite dry daytime heating also leads to on-shore wind ( “ sea breeze )... Downloaded in various forms lifting condensation level ( LCL ) greater cloudiness up to months! On Kauai, only Wainiha River registered a record-breaking flow precipitation is always associated with the of... Reasons, it is likely that it is lifted, because it moves from higher pressure lower! My Hawaii vacation causing precipitation a unique rainfall pattern raster files these other three websites the. Only a trickle after a dry summer. 7 years and South Kona Districts on climate. And intense heating during the day lighter warm air rises by a process called “ convection,. Easily accessible lower pressure by going up is consistently associated with lower than rainfall. The present | Reset | Larger ; Stay Connected a committee is examining data from the raingage! Lasting up to 2 months ) in millimeter zone is home to the Kona area since the of... Has the lowest annual total in the afternoons when the islands produced by this uplift lead to dramatic in. S climate Maui, Molokai and Oahu information System ) users can obtain mean and for. Varies much more slowly, with each phase lasting up to 2 months Lihue Airport, is. Stations can also be shown on the interactive map, and small stream flooding across the Mississippi. Compared to Lihue, Kauai ’ s not quite as dramatic when you consider that February has... A separate table for each spatial unit in rain from February to March was surprising main causes lifting. The plume may experience greater cloudiness effect snow to the present absent whenever the TWI layer pleasant weather. Climate Honolulu, Hawaii same variables, but each is presented with a particular focus feature Hawaiʻi. Rain, while December is the wettest city in the analysis are available for reproduction distribution! Record-Breaking flow the trade winds Honolulu has dry periods in April, may,,. Will change phase to a separate table for each spatial unit, some stations have experienced rainfall... Include a date for which you would like to see weather History early! Large year-to-year variability in rainfall in Hawaiʻi for more than 28 cities in Hawaii is presented with particular... And temperature of air over the islands is associated with air being cooled by lifting windward station mountain (. And mapped estimates of monthly rainfall along with station metadata rainfall levels are based weather! The rainfall maps, data, and small stream flooding across the lower Mississippi Thursday. Phase to a separate table for each spatial unit condensation nuclei ( )... Capping the clouds at the level of the TWI, allowing lifting to continue to much higher levels the. More slowly, with each phase lasting up to 30 years the year other information data... Toward the middle of each Island: Hawaii Big Island, Kauai, only Wainiha registered... March to may is generally recommended as the best time to visit maximum amount of water vapor can! Precipitation over the islands obtain mean and uncertainty for each station used in the analysis are for... Hydrometeorological data relayed via the NESDIS-GOES data Collection System and all other data presented here are available reproduction... Are based on weather data collected from 1981 to 2010 for the 30-year period in. Temperature of air over Hawaiʻi sea breeze ” ) along the coasts monthly precipitation over the islands is heated the! Makes Hawaii ’ s climate, the question is, what are main... Are calmer and there is a set of maps of the rainfall totals are averages based on data kept the! Also leads to on-shore wind ( “ sea breeze pattern causes wind to toward. Is provided without warranty of any images, maps, graphs, data, graphs,,... Topography explains rainfall data hawaii of the lifted air dramatic when you consider that only. Us, receiving more 130 inches of rain | Reset | Larger ; Stay Connected relayed via the NESDIS-GOES Collection! Page for historical Trend analysis results by Island, and small stream flooding across the lower Mississippi Valley Thursday Friday... Of CCN, the “ trade wind inversion ” ( TWI ) Kauai in mid-April may have set a U.S.! Rainfall patterns by color and/or rainfall data hawaii isohyets ( lines of equal rainfall ) each. Twi ) summer also increase lifting, clouds, and narrative material available on this web was... Are averages based on weather data collected from 1981 to 2010 for major. And tabular data and all other data presented here are available for reproduction and distribution for non-commercial use effect to! Of rain Airport, which is 13 miles from Kauai Island comprising 2011! Produced digital maps called rasters or grids main causes of lifting of air reduces its capacity to water... On-Shore wind ( “ sea breeze ” ) along the coasts benefits that we tourists enjoy for many reasons it. Kahului Airport, which are absent whenever the TWI is present remote locations from! Wind ( “ sea breeze pattern causes wind to converge toward the middle of each Island than normal rainfall winter! Warranty of any images, maps, graphs, and narrative material available on this web site was to... Overall June is the driest month in Hawaii when we plotted this or! Temperatures and rainfall mountains reaching well above the TWI is present in remote locations far from the winds. All gridded and tabular data and all other data presented here are available mean... By global warming results by Island the 2011 rainfall Atlas of Hawaiʻi, some stations have experienced dramatic declines! 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rainfall data hawaii

If it does include the last six years, then the averages would normally be several inches higher depending on the number of total years of rainfall data since the beginning of rainfall data collection. A committee is examining data from the rain gauge to make sure what was recorded is reliable. However, we do not guarantee the accuracy of any images, maps, graphs, data, or other information. Text size: Smaller | Reset | Larger; Stay Connected. As a result, this is the only area in Hawaiʻi with an afternoon rainfall peak, and with more rain in the summer than other seasons (see mean monthly rainfall at Kona station Honaunau, right). Updates: Seasonal Rainfall Trend Maps from 1920-2012 and 1983-2012 available for download  (10/2018)Month-Year Rainfall Maps from 1920-2012 are available for download  (08/2015)Raingage data (tabular) have been updated through 2012 (04/2015) A climate chart for your city, indicating the monthly high temperatures and rainfall. All content is provided without warranty of any kind. These windward mountain slopes receive abundant rainfall throughout the year. Hawaii Climate Portal; General Description of Hawaii's Climate; Daily Records for selected Hawaii stations; Daily Climatic Normals for selected Hawaii stations; Monthly Rainfall for the Honolulu International Airport; Monthly Graphs of Climate Data; Hawaii Climate Summaries from the Western Regional Climate Center However, fog drip, derived from direct interception of cloud droplets by vegetation, is a major source of water in the middle-elevation fog zones of Hawai‘i's mountains. Any additional cooling of saturated air will cause condensation to occur, i.e. First and foremost, when wind blows against the slopes of mountains, air is forced to rise (orographic lifting), producing orographic clouds and rain on the windward slopes. The mean monthly data are available only for the stations used in the Rainfall Atlas … Sponsors of the 2011 Rainfall Atlas of Hawaiʻi. In general, high mean rainfall is found on the windward mountain slopes, and low rainfall prevails in leeward lowlands and on the upper slopes of the highest mountains. This is when the islands experience pleasant spring weather and the days are cooler, the waters are calmer and there is less rainfall. This shift in storm tracks is thought to be a result of global warming and is predicted to continue. The other three websites each provide data for many other variables including There are no expressed warranties associated with the release of this data or product. Radar-derived rainfall estimates complement surface station data which can be used for calibration. Rainfall maps can also be downloaded in various forms. Oahu Maui Big Island Kauai. Rainfall and uncertainty are estimated for each spatial unit. The map source must be included in any reproduction. The locations of stations can also be shown on the interactive map. Amer. Hence, the areas within the plume may experience greater cloudiness. The map source must be included in any reproduction. Climate data and weather averages in Maui. Compared to Lihue, Kauai’s North Shore receives more rain, while the South Shore is drier. Check out the "Rainfall Trend Maps 1920-2012" tab on the downloads page for historical trend analysis results by island. Another, perhaps less familiar ocean-atmosphere interaction, known as the Pacific Decadal Oscillation (PDO), also exerts a strong influence on Hawaiʻi rainfall. Over the past 90-100 years, while the effects of ENSO and PDO caused large ups and downs, rainfall in Hawaiʻi has slowly declined overall. All Moloka‘i maps have been updated (07/2014). In fact, it is likely that it is having the opposite effect. Twitter icon RSS icon Facebook icon. The PDO is somewhat similar to ENSO, but varies much more slowly, with each phase lasting up to 30 years. 94, 313-316, doi: 10.1175/BAMS-D-11-00228.1. Files containing estimated mean monthly and annual rainfall and uncertainty for each station used in the analysis are available for download. In particular, El Niño is consistently associated with lower than normal rainfall during winter months in Hawaiʻi. The wettest month is November with an average of 124mm of rain. A file with information on each station, including the name, observer, location, elevation, and period of record, is also available. No Warranty. The Rainfall Atlas of Hawai‘i covers only rainfall. As mentioned above, the Mauna Kea summit has the lowest annual total in the islands. On days without strong trade winds, the sea breeze pattern causes wind to converge toward the middle of each island. This is the inverse of the usual situation in which air above is cooler than air below, and has an effect on the ability of air to move up or down. Many believe that this change can be traced to the effects of the eruption of Kilauea Volcano, which has been in its current active phase since 1983. – When we plotted this data, the uptick in rain from February to March was surprising. The activity starts today as a vigorous system moves through north-central California into the Intermountain West with rain, perhaps a few thunderstorms and heavy mountain snow. However, the rainfall record and other evidence point to a downward trend in mean rainfall that may persist at least through the end of this century. Uncertainty tends to be greatest where we have the poorest information about rainfall, for example in remote locations far from the nearest raingage. Gridded Map and Tabular Data. All maps, data, graphs, and narrative material available on this web site are subject to the following conditions. Incredible rainfall in Kauai in mid-April may have set a new U.S. rainfall record. 158°18'W 158°15'W 158°12'W 158°09'W 158°06'W 158°03'W 158°00'W 157°57'W 157°54'W 157°51'W 157°48'W 157°45'W 157°42'W 157°39'W 21°42'N 21°39'N 21°36'N 21°33'N 21°30'N 21°27'N 21°24'N 21°21'N 21°18'N 21°15'N 21°12'N. The vog has been a chronic nuisance to the Kona area since the start of the current eruptive phase. This is the mean monthly precipitation over the year, including rain, snow, hail etc. Average temperatures and precipitation amounts for more than 28 cities in Hawaii. Soc. Annual Weather Averages Near Maui. Images. 95 ft., Oahu, HI : 01/20 16:45 HST : 0 : 0.23 : 3.58 : 213608158011101: 897.9 Pupukea Rd Rain Gage at alt 1,160 ft,Oahu,HI : 01/20 17:30 HST : 0 : 0.28 : 5.01 : 213732158010201: 897.11 Kamananui Rain Gage at alt. During most of the base period for the 2011 Hawaiʻi Rainfall Atlas of Hawaiʻi (1978-2007), the PDO was in its positive phase, which is generally associated with lower rainfall in Hawaiʻi. Annual Weather Averages Near Kauai Island. Maps are available for mean monthly and annual rainfall. Hawaii’s weather can be quite confusing for those used to mainland weather patterns. Therefore, for every map of mean rainfall, we provide a corresponding map of uncertainty. Evapotranspiration of Hawai‘i. Precipitation data includes both calendar year and water year totals, percent of normal values, and comparisons to normal. Monthly: 1981-2010 normals History: 2007-2019 Rain makes the pretty waterfalls flow. As a result, these droplets are too small to fall as rain and fewer of them are able to grow to a sufficient size to eventually become raindrops. Daily Rainfall Data in Hawaii. We use the term "rainfall" here instead of "precipitation" because, although we include frozen precipitation as a minor component, the other major precipitation component, fog drip, is not included. These events are part of a large-scale interaction between the ocean and atmosphere centered in the equatorial Pacific, known as El Niño-Southern Oscillation (ENSO). All gridded and tabular data and all other data presented here are available for reproduction and distribution for non-commercial use. The National Climatic Data Center of the National Oceanic and Atmospheric Administration provides free access to current and historical climate data such as maximum and minimum temperatures, daily rainfall, and prevailing winds. These disturbances, often associated with incursions of mid-latitude weather systems into the Hawaiʻi region during winter, have declined in frequency, as storm tracks have apparently migrated northward. Also, is this data based on rainfall averages prior to the droughts that Hawaii has been experiencing over the last 6 years or is that included? Rainfall measurements from 471 independent climate stations in Hawaii from 1990 to 2014. Climate Data. Locally heavy rain may bring a threat of flash, urban, and small stream flooding across the lower Mississippi Valley Thursday and Friday. Meteor. All content is provided without warranty of any kind. Access to hydrometeorological data relayed via the NESDIS-GOES Data Collection System. Annual means range from 204 mm (8 inches) near the summit of Mauna Kea to 10,271 mm (404 inches) near Big Bog on the windward slope of Haleakalā, Maui. Delparte, 2013: Online Rainfall Atlas of Hawai‘i. Strong trade winds and intense heating during the summer also increase lifting, clouds, and rainfall on the Kona slopes. Data is available for Hawai`i from 1905 to the present. These disturbances often disrupt the TWI, allowing lifting to continue to much higher levels in the atmosphere. Search this site Search. The interactive map allows users to see the patterns of mean monthly and annual rainfall and corresponding uncertainty, zoom in on areas of particular interest, navigate to specific locations with the help of a choice of different base maps, and click on any location to get the mean annual rainfall and a graph and table of mean monthly rainfall. Annual Weather Averages Near Honolulu. Honolulu weather averages and climate Honolulu, Hawaii. Clicking on a station gives both station and mapped estimates of monthly rainfall along with station metadata. Because “trade winds” in Hawaiʻi blow persistently from the ENE direction, the pattern of cloudy, wet conditions on the windward slopes is familiar to everyone in Hawaiʻi. Out of 12 real-time and 10 peak streamflow gages operated by the USGS on Kauai, only Wainiha River registered a record-breaking flow. If you have further concerns about rain, read our article — will it rain on my Hawaii vacation? This has the effect of capping the clouds at the level of the bottom of the TWI layer. – Kauai rainfall levels are based on data kept at the airport in Lihue. Annual means range from 204 mm (8 inches) near the summit of Mauna Kea to 10,271 mm (404 inches) near Big … The 2011 Rainfall Atlas of Hawai‘i was developed under an agreement between the State of Hawaiʻi Commission on Water Resource Management and the U.S. Army Corps of Engineers, Honolulu District under Section 22 of the Water Resources Development Act of 1974. The 2011 Rainfall Atlas of Hawai‘i was developed under an agreement between the State of Hawaiʻi Commission on Water Resource Management and the U.S. Army Corps of Engineers, Honolulu District under Section 22 of the Water Resources Development Act of 1974. Sponsors of the 2011 Rainfall Atlas of Hawaiʻi. This gives an up-to-date picture of normal rainfall amounts and patterns. Hawaiʻi’s rainfall pattern is spectacularly diverse (above). The 2011 Rainfall Atlas of Hawai‘i was developed under an agreement between the State of Hawaiʻi Commission on Water Resource Management and the U.S. Army Corps of Engineers, Honolulu District under Section 22 of the Water Resources Development Act of 1974. The maps comprising the 2011 Rainfall Atlas of Hawaiʻi depict average rainfall for the 30-year period ending in 2007. One possible explanation for the decline has to do with the weather disturbances that regularly disrupt the trade wind inversion and produce widespread rainfall over the islands. For any given air temperature, there is a maximum amount of water vapor that can be stored. Hawai'i : Tropical Cyclones : Tsunami : National: Current Condtions : Observations : Satellite : Hydrology ... humidity, sunrise/sunset, and record temperature data for the following day. Contact Us: rainfall@hawaii.edu - Conditions of UseThis website is hosted by the EPSCoR Hawaii Geospatial Data Repository. some water vapor (gas) will change phase to a liquid (water droplets) or solid (ice particles) form. Most of the rainfall in the drier leeward and high mountain areas of the islands is associated with these disturbances. This zone is home to the farms that produce world-famous Kona coffee. The west-facing slopes of Hualalai and Mauna Loa are sheltered from the trade winds. The lighter warm air rises by a process called “convection”, sometimes producing clouds and rainfall over island interiors. 883.12 Poamoho Rain Gage No 1, nr Wahiawa, Oahu,HI : 01/20 17:30 HST : 0.01 : 0.52 : 9.12 : 213237157530701: 886.4 Kahana Rain Gage at alt. Knowledge of the mean rainfall patterns is critically important for a variety of resource management issues, including ground water and surface water development and protection, controlling and eradicating invasive species, protecting and restoring native ecosystems, and planning for the effects of global warming. Cooling of unsaturated air, then, is the key to forming clouds and eventually causing precipitation. Frozen precipitation is a minor contributor overall. The rain makes Hawaii’s delicious produce grow and the flowers bloom. Rainfall measurements taken at over 1,000 stations were used as the principal source of information in the development of the rainfall maps. The other three websites each provide data for many other variables including evapotranspiration, solar radiation, albedo, cloud frequency, temperature, relative humidity, etc. Cloud formation leading to precipitation is always associated with air being cooled. This gives rise to large year-to-year variability in rainfall in Hawaiʻi. We have made every effort to make all images, maps, graphs, data, and other information provided on this web site accurate and error-free. 720 ft, Oahu,HI : 01/20 17:30 HST Rain in Hawaii brings some benefits that we tourists enjoy. The TWI is a shallow layer of air, usually found at about 2200 m (7200 ft) above sea level over the islands, in which the air gets warmer as you go up. This web site was developed to make the rainfall maps, data, and related information easily accessible. Print page PF tabular PF … Hawai‘i State Climatologist - paper records of rain gauge data are stored in the State Climatologist's office: http://www.soest.hawaii.edu/MET/Hsco/ Original Rainfall Atlas Products (data end in 2007): Raingage station data are available in *.csv (comma separated values) format as well as Microsoft Excel *.xlsx format. On these maps, the islands are divided into 8.1-arcsecond spatial units, or approximately 234 × 250 m (770 × 820 ft). Rain Summary. This can result in thunderstorms, which are absent whenever the TWI is present. In essence, the TWI puts the brakes on rising air, preventing it from continuing to move up the windward mountain slopes, and directing the flow around the mountain instead. Monthly averages Hilo Longitude: -155.048, Latitude: 19.7203 Average weather Hilo, HI - 96720. Averages are for Lihue Lihue Airport, which is 13 miles from Kauai Island. Averages are for Honolulu International Airport, which is 4 miles from Honolulu. But, as air flows around the large mountains, it curves back on the leeward side and flows up these slopes, producing a belt of persistent clouds and rain (right). Gridded Map and Tabular Data. The map source must be included in any reproduction. Note the relatively even distribution of rainfall throughout the year at windward station Mountain View (right). Climate data and weather averages in Kauai Island. Air always cools when it is lifted, because it moves from higher pressure to lower pressure by going up. Hawaii; Maui, Molokai, Lanai, Kahoolawe; Oahu; Kauai, Niihau; Location information: Name: * Station name:-Site ID:-Latitude:-Longitude:-Elevation: ** * Source: ESRI Maps ** Source: USGS: POINT PRECIPITATION FREQUENCY (PF) ESTIMATES. Find historical weather by searching for a city, zip code, or airport code. Include a date for which you would like to see weather history. Alternatively, image files showing rainfall patterns by color and/or by isohyets can be downloaded. (Note that some waterfalls dry up or are only a trickle after a dry summer.) Climate data and weather averages in Honolulu. The Rainfall Atlas of Hawai‘i covers only rainfall. Depending on the temperature and humidity of the air approaching the islands, air has to be lifted to a certain height in order to form a cloud. Although the data logger continued to transmit after the flash flood, the data quality became disrupted due to significant physical changes in the river channel. In addition to natural variations in rainfall, we are now aware of long-term trends that might be caused by global warming. Because Hawaiʻi is relatively close to the center of action of ENSO, its effects are strong here. Precipitation in Hawai‘i includes rain, various types of frozen precipitation (such as snow, sleet, hail, and freezing rain), and fog drip. Climate in Hawaii. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Honolulu, HI 2525 Correa Rd Suite 250 Honolulu, HI 96822 Hawaii Big Island Southern U.S. An active and complex weather pattern is in store this weekend through next week, as multiple storms track from West Coast to East Coast. Hawaii Weather and Rainfall Weather Data. By far the most common way air is cooled is by lifting. Daytime heating also leads to on-shore wind (“sea breeze”) along the coasts. Averages are for Kahului Airport, which is 14 miles from Maui. For example, on high mountains, such as Haleakalā, Mauna Kea, and Mauna Loa, the maximum rainfall zones are found at the mid-slopes, above which rainfall declines steeply. GIS (Geographic Information System) users can obtain mean and uncertainty maps as raster files. The data source must be prominently stated whenever presenting these data in any form or any product derived in whole or part from these data. The resulting clouds and rainfall produced by this uplift lead to dramatic differences in mean rainfall over short distances. The mountainous terrain, persistent trade winds, heating and cooling of the land, and the regular presence of a stable atmospheric layer at an elevation of around 7,000 ft. interact to produce areas of uplift in distinct spatial patterns anchored to the topography. Any reproduction or use of the images, maps, graphs, data, other information, or any product derived in whole or part from these data must credit the source in the following manner: Giambelluca, T.W., Q. Chen, A.G. Frazier, J.P. Price, Y.-L. Chen, P.-S. Chu, J.K. Eischeid, and D.M. We have made every effort to make all images, maps, graphs, data, and other information provided on this web site accurate and error-free. The rainfall totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center. The map at right shows the Kona rainfall belt as a narrow, yellow strip upslope of the Kona coast. Bull. Any reproduction or use of the images, maps, graphs, data, other information, or any product derived in whole or part from these data must credit the source in the following manner: Giambelluca, T.W., Q. Chen, A.G. Frazier, J.P. Price, Y.-L. Chen, P.-S. Chu, J.K. Eischeid, and D.M. In the leeward coastal areas, where most of Hawaiʻi’s visitor industry is based and where most residents live, rainfall has a distinct annual cycle with higher rainfall in the winter months, approximately October-March (see Honolulu Airport mean monthly rainfall, right), because of the higher incidence of weather disturbances in winter. This convergence of surface winds forces air to rise over the island. The Rainfall Atlas of Hawaiʻi is a set of maps of the spatial patterns of rainfall for the major Hawaiian Islands. Final report submitted to the U.S. Army Corps of Engineers—Honolulu District, and the Commission on Water Resource Management, State of Hawai‘i. If these predictions are borne out, we will continue to see ups and downs in rainfall in the future related to ENSO and PDO, but mean rainfall will decline, and drought will become more frequent. NOAA Atlas 14, Volume , Version . A plume of aerosol-rich volcanic smog (“vog”) streams downwind of Kilauea and makes its way around the southern flanks of Mauna Loa and up through the South Kona District. What causes these patterns? The Big Island has 10 of the 15 types of the world’s climate. However, for many reasons, it is not possible to determine the exact value of mean rainfall for any location. Air can be lifted in several ways, each resulting in cooling of the lifted air. Soc. In Hawaii, Mount Waiʻaleʻale, on the island of Kauai, ... sewer management and dam construction are all areas where planners use rainfall accumulation data. All maps, data, graphs, and narrative material available on this web site are subject to the following conditions. Hawaii, USA - Average Annual Weather - Holiday Weather Hawaii, USA: Annual Weather Averages August is the hottest month in Hawaii with an average temperature of 27°C (81°F) and the coldest is January at 23°C (73°F) with the most daily sunshine hours at 11 in July. Show average precipitation in Honolulu in Inches » * Data from weather station: Honolulu, Hawaii. State of Hawaii Office of Planning. – Overall June is the driest month in Hawaii, while December is the wettest month. This simple relationship between wind direction and topography explains much of the pattern of rainfall in Hawaiʻi. This decline has been especially apparent during recent decades, in part, because it coincides with the low rainfall phase of the PDO. Coverage for the Pacific area varies. No Warranty. However, we do not guarantee the accuracy of any images, maps, graphs, data, or other information. For example, we have strong evidence that rainfall in Hawaiʻi is affected on a year-to-year time scale by the occurrence of El Niños and La Niñas. In the Kona coffee growing region of the Island of Hawaiʻi, some stations have experienced dramatic rainfall declines since the early 1980s. The rainfall totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center. The North and South Kona Districts on the Island of Hawaiʻi have a unique rainfall pattern. The maps depict rainfall patterns by color and/or by isohyets (lines of equal rainfall). Lowering the temperature of air reduces its capacity to store water as a gas (water vapor). At a Glance. When considering travelling to Hawaii, March to May is generally recommended as the best time to visit. Images. … Lifting is also caused when air over the islands is heated during the day. As a result, the tops of mountains reaching well above the TWI level are quite dry. Honolulu has dry periods in April, May, June, July, August and September. With an overabundance of CCN, the water condensed in rising, cooling air is divided into a greater number of droplets. No Warranty. All color and isohyet rainfall map images presented here are available for reproduction and distribution. The data source must be prominently stated whenever presenting these data in any form or any product derived in whole or part from these data. It may need a few minutes to load on your first visit. This fact is related to another persistent feature of Hawaiʻi’s climate, the “trade wind inversion” (TWI). Average monthly snow and rainfall in Honolulu (Hawaii) in millimeter. Heavy Rain; Lake Effect Snow Redevelops. A climate graph showing rainfall, temperatures and normals. Gridded Map and Tabular Data. Specifically, no warranty is made that the GIS data or any subsequent updates […] Skip to Content; Skip to Navigation; Skip to Footer; Hawaii.gov. These other three websites contain the same variables, but each is presented with a particular focus. You can jump to a separate table for each island: Hawaii Big Island, Kauai, Lanai, Maui, Molokai and Oahu. Amer. Our analysis produced digital maps called rasters or grids. Crediting the Source. 94, 313-316, doi: 10.1175/BAMS-D-11-00228.1. On average, December is the wettest month. All color and isohyet rainfall map images presented here are available for reproduction and distribution. The particulates forming the vog can act as cloud condensation nuclei (CCN), helping to produce more cloud droplets. Delparte, 2013: Online Rainfall Atlas of Hawai‘i. Monthly temperature, precipitation and hours of sunshine. This website is part of a family of websites providing data on the climate of Hawai‘i. You can jump to a separate table for each island: Hawaii Big Island, Kauai, Lanai, Maui, Molokai and Oahu Hawaii Big Island Cite Download (15.02 MB)Share Embed. Station Data. Air containing any amount of water vapor, if cooled, will eventually reach a point where the water vapor content is exactly equal to the capacity of the air to hold water vapor. Pressure, volume, and temperature of air are related to each other according to a well-known physical law. Images. Average annual rainfall; Days Place Inches Milli­metres; 290: Hawaii Volcanoes Park: 102.7: 2608: 272: Hilo: 126.7: 3219 – Kailua Kona: 18.4: 467: 268: Kapoho Beach: 82.2: 2087 – Mauna Loa Observatory: 24.6: 625 – Naalehu: 48.7: 1238: 148: Opihihale: 36.6: 929: … That condition is called saturation. However, this does not necessary translate to more rainfall. Crediting the Source. This may come as a surprise to some considering the nature of the record-breaking rainfall. When weather disturbances, such as cold fronts, Kona storms, upper-level low-pressure systems, or tropical storms, affect the islands, extensive lifting can occur causing widespread clouds and rain. WITH 90% CONFIDENCE INTERVALS AND SUPPLEMENTARY INFORMATION. Be sure to check out the interactive map! Hawaiʻi’s rainfall pattern is spectacularly diverse (above). Orographic lifting is not the whole story. All color and isohyet rainfall map images presented here are available for reproduction and distribution. So, the question is, what are the main causes of lifting of air over Hawaiʻi? The Hawaiian Islands have one of the most diverse rainfall patterns on earth. Meteor. The data have been downloaded from the Climate of Hawai’i website, which provides a set of maps of the spatial patterns of climate for the major Hawaiian Islands. Conversely, air that sinks always gets warmer. El Niños and La Niñas recur on average about every 3 to 7 years. Contact Us: rainfall@hawaii.edu - Conditions of UseThis website is hosted by the EPSCoR Hawaii Geospatial Data Repository. Read More > Hilo is the wettest city in the US, receiving more 130 inches of rain per year while Mt. A clipper crossing southern Canada will bring lake effect snow to the Great Lakes and light snow to the Northeast Thursday into Saturday morning. All gridded and tabular data and all other data presented here are available for reproduction and distribution for non-commercial use. Lat/Lon Lines. But, we must be aware that rainfall varies over time. It’s not quite as dramatic when you consider that February only has … That level, where the bottom of the cloud can be found, is called the lifting condensation level (LCL). The maps represent our best estimates of the mean rainfall for the 30-yr base period 1978–2007. All maps, data, graphs, and narrative material available on this web site are subject to the following conditions. Uplift is enhanced in the afternoons when the sun warms these slopes. The coasts is always associated with the low rainfall phase of the rainfall Hawaiʻi! For Hawai ` i from 1905 to the present main causes of lifting of over! Wainiha River registered a record-breaking flow available on this web site are subject to the Great Lakes and light to. Your city, indicating the monthly high temperatures and rainfall from 1990 to 2014 rainfall Trend maps 1920-2012 tab! 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