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Temperature & Precipitation

Air temperature and precipitation can have wide-ranging effects on natural processes, and their datasets are foundational for drought and climate analysis. Changes in temperature and precipitation can substantially disrupt crops and livestock, influence the frequency and intensity of severe weather events, and affect the quality and quantity of water available for municipal and industrial use. 

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    • Temperature and Precipitation Measurements

    Temperature and precipitation data are collected from weather stations, weather radar, satellites, and computer models.

    A thermometer showing high heat.

    Warmer air temperatures increase evapotranspiration—which is the combination of evaporation from the soil and bodies of water and transpiration from plants—and lower soil moisture.

    A full rain gauge.

    Drought is defined as the lack of precipitation over an extended period of time, usually for a season or more, that results in a water shortage.

    Data, Maps, and Tools

    To make data easier to use, many organizations derive products from raw data. These derived products may start with station data, which estimate (or interpolate) the information between stations using different methodologies. Radar- and satellite-based products may include station data as “ground truth” to remove bias and create more accurate products.

    Temperature and Precipitation Outlooks

    Temperature Outlooks

    6-10 Day 8-14 Day 1 Month 3 Month

    Probability (Percent Chance) of Below-Normal Temperature
    Range Map Hex Color Description
    100% - 90% #1c1342 >90% Chance of Below Normal There is a >90% chance of below-normal temperatures during this period. 
    90% - 80% #221852 80%–90% Chance of Below Normal There is an 80%–90% chance of below-normal temperatures during this period. 
    80% - 70% #2f406f 70%–80% Chance of Below Normal There is an 70%–80% chance of below-normal temperatures during this period. 
    70% - 60% #005ca1 60%–70% Chance of Below Normal There is an 60%–70% chance of below-normal temperatures during this period. 
    60% - 50% #389fdb 50%–60% Chance of Below Normal There is an 50%–60% chance of below-normal temperatures during this period. 
    50% - 40% #77b5e2 40%–50% Chance of Below Normal There is an 40%–50% chance of below-normal temperatures during this period. 
    40% - 33% #a0c0df 33%–40% Chance of Below Normal There is an 33%–40% chance of below-normal temperatures during this period. 
    Probability (Percent Chance) of Above-Normal Temperature
    Range Map Hex Color Description
    33% - 40% #e7b168 33%–40% Chance of Above Normal There is an 33%–40% chance of above-normal temperatures during this period. 
    40% - 50% #e38b4a 40%–50% Chance of Above Normal There is an 40%–50% chance of above-normal temperatures during this period. 
    50% - 60% #dc562f 50%–60% Chance of Above Normal There is an 50%–60% chance of above-normal temperatures during this period. 
    60% - 70% #c72e28 60%–70% Chance of Above Normal There is an 60%–70% chance of above-normal temperatures during this period. 
    70% - 80% #cc3047 70%–80% Chance of Above Normal There is an 70%–80% chance of above-normal temperatures during this period. 
    80% - 90% #8a2f38 80%–90% Chance of Above Normal There is an 80%–90% chance of above-normal temperatures during this period. 
    90% - 100% #622228 >90% Chance of Above Normal There is a >90% chance of above-normal temperatures during this period. 
    Value Map Hex Color Description
    Near-Normal Conditions #a2a2a2 Near-Normal Odds favor near-normal temperatures during this period.
    Probability (Percent Chance) of Below-Normal Temperature
    Range Map Hex Color Description
    100% - 90% #1c1342 >90% Chance of Below Normal There is a >90% chance of below-normal temperatures during this period. 
    90% - 80% #221852 80%–90% Chance of Below Normal There is an 80%–90% chance of below-normal temperatures during this period. 
    80% - 70% #2f406f 70%–80% Chance of Below Normal There is an 70%–80% chance of below-normal temperatures during this period. 
    70% - 60% #005ca1 60%–70% Chance of Below Normal There is an 60%–70% chance of below-normal temperatures during this period. 
    60% - 50% #389fdb 50%–60% Chance of Below Normal There is an 50%–60% chance of below-normal temperatures during this period. 
    50% - 40% #77b5e2 40%–50% Chance of Below Normal There is an 40%–50% chance of below-normal temperatures during this period. 
    40% - 33% #a0c0df 33%–40% Chance of Below Normal There is an 33%–40% chance of below-normal temperatures during this period. 
    Probability (Percent Chance) of Above-Normal Temperature
    Range Map Hex Color Description
    33% - 40% #e7b168 33%–40% Chance of Above Normal There is an 33%–40% chance of above-normal temperatures during this period. 
    40% - 50% #e38b4a 40%–50% Chance of Above Normal There is an 40%–50% chance of above-normal temperatures during this period. 
    50% - 60% #dc562f 50%–60% Chance of Above Normal There is an 50%–60% chance of above-normal temperatures during this period. 
    60% - 70% #c72e28 60%–70% Chance of Above Normal There is an 60%–70% chance of above-normal temperatures during this period. 
    70% - 80% #cc3047 70%–80% Chance of Above Normal There is an 70%–80% chance of above-normal temperatures during this period. 
    80% - 90% #8a2f38 80%–90% Chance of Above Normal There is an 80%–90% chance of above-normal temperatures during this period. 
    90% - 100% #622228 >90% Chance of Above Normal There is a >90% chance of above-normal temperatures during this period. 
    Value Map Hex Color Description
    Near-Normal Conditions #a2a2a2 Near-Normal Odds favor near-normal temperatures during this period.
    Probability (Percent Chance) of Below-Normal Temperature
    Range Map Hex Color Description
    100% - 90% #1c1342 >90% Chance of Below Normal There is a >90% chance of below-normal temperatures during this period. 
    90% - 80% #221852 80%–90% Chance of Below Normal There is an 80%–90% chance of below-normal temperatures during this period. 
    80% - 70% #2f406f 70%–80% Chance of Below Normal There is an 70%–80% chance of below-normal temperatures during this period. 
    70% - 60% #005ca1 60%–70% Chance of Below Normal There is an 60%–70% chance of below-normal temperatures during this period. 
    60% - 50% #389fdb 50%–60% Chance of Below Normal There is an 50%–60% chance of below-normal temperatures during this period. 
    50% - 40% #77b5e2 40%–50% Chance of Below Normal There is an 40%–50% chance of below-normal temperatures during this period. 
    40% - 33% #a0c0df 33%–40% Chance of Below Normal There is an 33%–40% chance of below-normal temperatures during this period. 
    Probability (Percent Chance) of Above-Normal Temperature
    Range Map Hex Color Description
    33% - 40% #e7b168 33%–40% Chance of Above Normal There is an 33%–40% chance of above-normal temperatures during this period. 
    40% - 50% #e38b4a 40%–50% Chance of Above Normal There is an 40%–50% chance of above-normal temperatures during this period. 
    50% - 60% #dc562f 50%–60% Chance of Above Normal There is an 50%–60% chance of above-normal temperatures during this period. 
    60% - 70% #c72e28 60%–70% Chance of Above Normal There is an 60%–70% chance of above-normal temperatures during this period. 
    70% - 80% #cc3047 70%–80% Chance of Above Normal There is an 70%–80% chance of above-normal temperatures during this period. 
    80% - 90% #8a2f38 80%–90% Chance of Above Normal There is an 80%–90% chance of above-normal temperatures during this period. 
    90% - 100% #622228 >90% Chance of Above Normal There is a >90% chance of above-normal temperatures during this period. 
    Probability (Percent Chance) of Below-Normal Temperature
    Range Map Hex Color Description
    100% - 90% #1c1342 >90% Chance of Below Normal There is a >90% chance of below-normal temperatures during this period. 
    90% - 80% #221852 80%–90% Chance of Below Normal There is an 80%–90% chance of below-normal temperatures during this period. 
    80% - 70% #2f406f 70%–80% Chance of Below Normal There is an 70%–80% chance of below-normal temperatures during this period. 
    70% - 60% #005ca1 60%–70% Chance of Below Normal There is an 60%–70% chance of below-normal temperatures during this period. 
    60% - 50% #389fdb 50%–60% Chance of Below Normal There is an 50%–60% chance of below-normal temperatures during this period. 
    50% - 40% #77b5e2 40%–50% Chance of Below Normal There is an 40%–50% chance of below-normal temperatures during this period. 
    40% - 33% #a0c0df 33%–40% Chance of Below Normal There is an 33%–40% chance of below-normal temperatures during this period. 
    Probability (Percent Chance) of Above-Normal Temperature
    Range Map Hex Color Description
    33% - 40% #e7b168 33%–40% Chance of Above Normal There is an 33%–40% chance of above-normal temperatures during this period. 
    40% - 50% #e38b4a 40%–50% Chance of Above Normal There is an 40%–50% chance of above-normal temperatures during this period. 
    50% - 60% #dc562f 50%–60% Chance of Above Normal There is an 50%–60% chance of above-normal temperatures during this period. 
    60% - 70% #c72e28 60%–70% Chance of Above Normal There is an 60%–70% chance of above-normal temperatures during this period. 
    70% - 80% #cc3047 70%–80% Chance of Above Normal There is an 70%–80% chance of above-normal temperatures during this period. 
    80% - 90% #8a2f38 80%–90% Chance of Above Normal There is an 80%–90% chance of above-normal temperatures during this period. 
    90% - 100% #622228 >90% Chance of Above Normal There is a >90% chance of above-normal temperatures during this period. 

    Data Valid: 10/03/23
    Data Valid: 10/03/23
    Data Valid: 09/30/23
    Data Valid: 09/21/23
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    CPC Precipitation Outlooks

    6-10 Day 8-14 Day 1 Month 3 Month

    Probability (Percent Chance) of Below-Normal Precipitation
    Range Map Hex Color Description
    100% - 90% #4f2f2f >90% Chance of Below Normal There is a >90% chance of below-normal precipitation during this period. 
    90% - 80% #804000 80%–90% Chance of Below Normal There is an 80%–90% chance of below-normal precipitation during this period. 
    80% - 70% #934639 70%–80% Chance of Below Normal There is an 70%–80% chance of below-normal precipitation during this period. 
    70% - 60% #9b5031 60%–70% Chance of Below Normal There is an 60%–70% chance of below-normal precipitation during this period. 
    60% - 50% #bb6d33 50%–60% Chance of Below Normal There is an 50%–60% chance of below-normal precipitation during this period. 
    50% - 40% #d8a750 40%–50% Chance of Below Normal There is an 40%–50% chance of below-normal precipitation during this period. 
    40% - 33% #f0d493 33%–40% Chance of Below Normal There is an 33%–40% chance of below-normal precipitation during this period. 
    Probability (Percent Chance) of Above-Normal Precipitation
    Range Map Hex Color Description
    33% - 40% #b3d9ab 33%–40% Chance of Above Normal There is an 33%–40% chance of above-normal precipitation during this period. 
    40% - 50% #94cd7e 40%–50% Chance of Above Normal There is an 40%–50% chance of above-normal precipitation during this period. 
    50% - 60% #48ae38 50%–60% Chance of Above Normal There is an 50%–60% chance of above-normal precipitation during this period. 
    60% - 70% #3a7b5f 60%–70% Chance of Above Normal There is an 60%–70% chance of above-normal precipitation during this period. 
    70% - 80% #008e40 70%–80% Chance of Above Normal There is an 70%–80% chance of above-normal precipitation during this period. 
    80% - 90% #28553d 80%–90% Chance of Above Normal There is an 80%–90% chance of above-normal precipitation during this period. 
    90% - 100% #285517 >90% Chance of Above Normal There is a >90% chance of above-normal precipitation during this period. 
    Value Map Hex Color Description
    Near-Normal Conditions #a2a2a2 Near-Normal Odds favor near-normal precipitation during this period.
    Probability (Percent Chance) of Below-Normal Precipitation
    Range Map Hex Color Description
    100% - 90% #4f2f2f >90% Chance of Below Normal There is a >90% chance of below-normal precipitation during this period. 
    90% - 80% #804000 80%–90% Chance of Below Normal There is an 80%–90% chance of below-normal precipitation during this period. 
    80% - 70% #934639 70%–80% Chance of Below Normal There is an 70%–80% chance of below-normal precipitation during this period. 
    70% - 60% #9b5031 60%–70% Chance of Below Normal There is an 60%–70% chance of below-normal precipitation during this period. 
    60% - 50% #bb6d33 50%–60% Chance of Below Normal There is an 50%–60% chance of below-normal precipitation during this period. 
    50% - 40% #d8a750 40%–50% Chance of Below Normal There is an 40%–50% chance of below-normal precipitation during this period. 
    40% - 33% #f0d493 33%–40% Chance of Below Normal There is an 33%–40% chance of below-normal precipitation during this period. 
    Probability (Percent Chance) of Above-Normal Precipitation
    Range Map Hex Color Description
    33% - 40% #b3d9ab 33%–40% Chance of Above Normal There is an 33%–40% chance of above-normal precipitation during this period. 
    40% - 50% #94cd7e 40%–50% Chance of Above Normal There is an 40%–50% chance of above-normal precipitation during this period. 
    50% - 60% #48ae38 50%–60% Chance of Above Normal There is an 50%–60% chance of above-normal precipitation during this period. 
    60% - 70% #3a7b5f 60%–70% Chance of Above Normal There is an 60%–70% chance of above-normal precipitation during this period. 
    70% - 80% #008e40 70%–80% Chance of Above Normal There is an 70%–80% chance of above-normal precipitation during this period. 
    80% - 90% #28553d 80%–90% Chance of Above Normal There is an 80%–90% chance of above-normal precipitation during this period. 
    90% - 100% #285517 >90% Chance of Above Normal There is a >90% chance of above-normal precipitation during this period. 
    Value Map Hex Color Description
    Near-Normal Conditions #a2a2a2 Near-Normal Odds favor near-normal precipitation during this period.
    Probability (Percent Chance) of Below-Normal Precipitation
    Range Map Hex Color Description
    100% - 90% #4f2f2f >90% Chance of Below Normal There is a >90% chance of below-normal precipitation during this period. 
    90% - 80% #804000 80%–90% Chance of Below Normal There is an 80%–90% chance of below-normal precipitation during this period. 
    80% - 70% #934639 70%–80% Chance of Below Normal There is an 70%–80% chance of below-normal precipitation during this period. 
    70% - 60% #9b5031 60%–70% Chance of Below Normal There is an 60%–70% chance of below-normal precipitation during this period. 
    60% - 50% #bb6d33 50%–60% Chance of Below Normal There is an 50%–60% chance of below-normal precipitation during this period. 
    50% - 40% #d8a750 40%–50% Chance of Below Normal There is an 40%–50% chance of below-normal precipitation during this period. 
    40% - 33% #f0d493 33%–40% Chance of Below Normal There is an 33%–40% chance of below-normal precipitation during this period. 
    Probability (Percent Chance) of Above-Normal Precipitation
    Range Map Hex Color Description
    33% - 40% #b3d9ab 33%–40% Chance of Above Normal There is an 33%–40% chance of above-normal precipitation during this period. 
    40% - 50% #94cd7e 40%–50% Chance of Above Normal There is an 40%–50% chance of above-normal precipitation during this period. 
    50% - 60% #48ae38 50%–60% Chance of Above Normal There is an 50%–60% chance of above-normal precipitation during this period. 
    60% - 70% #3a7b5f 60%–70% Chance of Above Normal There is an 60%–70% chance of above-normal precipitation during this period. 
    70% - 80% #008e40 70%–80% Chance of Above Normal There is an 70%–80% chance of above-normal precipitation during this period. 
    80% - 90% #28553d 80%–90% Chance of Above Normal There is an 80%–90% chance of above-normal precipitation during this period. 
    90% - 100% #285517 >90% Chance of Above Normal There is a >90% chance of above-normal precipitation during this period. 
    Probability (Percent Chance) of Below-Normal Precipitation
    Range Map Hex Color Description
    100% - 90% #4f2f2f >90% Chance of Below Normal There is a >90% chance of below-normal precipitation during this period. 
    90% - 80% #804000 80%–90% Chance of Below Normal There is an 80%–90% chance of below-normal precipitation during this period. 
    80% - 70% #934639 70%–80% Chance of Below Normal There is an 70%–80% chance of below-normal precipitation during this period. 
    70% - 60% #9b5031 60%–70% Chance of Below Normal There is an 60%–70% chance of below-normal precipitation during this period. 
    60% - 50% #bb6d33 50%–60% Chance of Below Normal There is an 50%–60% chance of below-normal precipitation during this period. 
    50% - 40% #d8a750 40%–50% Chance of Below Normal There is an 40%–50% chance of below-normal precipitation during this period. 
    40% - 33% #f0d493 33%–40% Chance of Below Normal There is an 33%–40% chance of below-normal precipitation during this period. 
    Probability (Percent Chance) of Above-Normal Precipitation
    Range Map Hex Color Description
    33% - 40% #b3d9ab 33%–40% Chance of Above Normal There is an 33%–40% chance of above-normal precipitation during this period. 
    40% - 50% #94cd7e 40%–50% Chance of Above Normal There is an 40%–50% chance of above-normal precipitation during this period. 
    50% - 60% #48ae38 50%–60% Chance of Above Normal There is an 50%–60% chance of above-normal precipitation during this period. 
    60% - 70% #3a7b5f 60%–70% Chance of Above Normal There is an 60%–70% chance of above-normal precipitation during this period. 
    70% - 80% #008e40 70%–80% Chance of Above Normal There is an 70%–80% chance of above-normal precipitation during this period. 
    80% - 90% #28553d 80%–90% Chance of Above Normal There is an 80%–90% chance of above-normal precipitation during this period. 
    90% - 100% #285517 >90% Chance of Above Normal There is a >90% chance of above-normal precipitation during this period. 

    Data Valid: 10/03/23
    Data Valid: 10/03/23
    Data Valid: 09/30/23
    Data Valid: 09/21/23
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    Learn more about these data
    Download screenshot of this panel

    Data and Map Gallery

    Access current, historical, and forecasted precipitation and temperature datasets and maps.

    Example map of the U.S. showing quantitative precipitation estimates from AHPS

    Advanced Hydrologic Prediction Service (AHPS) Precipitation Analysis

    National Weather Service (NWS) Advanced Hydrologic Prediction Service (AHPS) provides current and archived precipitation analysis at different timescales.

    Period of Record
    2005 - Present
    File Format
    images
    shapefile
    netcdf-4
    Example PDSI map in Climate Engine

    Climate Engine

    Climate Engine allows users to analyze and interact with climate and earth observations for decision support related to drought, water use, agricultural, wildfire, and ecology.

    Period of Record
    Current Conditions, Historical data (period of record varies)
    File Format
    images
    pdf
    csv
    Example statewide maximum temperature rank map

    NCEI Temperature and Precipitation Products

    NCEI provides a variety of temperature and precipitation products available at the National and Global scale.

    Period of Record
    Current Conditions, Historical data (period of record varies)
    File Format
    images
    text (ascii)
    csv
    json
    xml
    netcdf-4
    Example precipitation map from HPRCC

    Climate Maps and Data from HPRCC

    HPRCC produces daily climate maps using data from the Applied Climate Information System (ACIS). The maps and data can be accessed and downloaded from the HPRCC website.

     

     

    Period of Record
    2003 - Present
    File Format
    images
    pdf
    8-14 day temperature outlook from the Climate Prediction Center

    Climate Prediction Center Outlooks

    National Weather Service (NWS) Climate Prediction Center (CPC) generates outlooks that view probabilities of above- or below-normal temperature and precipitation maps at the 6-10 Day, 8-14 Day, Wee

    Period of Record
    Forecasts
    File Format
    images
    ACIS graph of daily temperature data

    Applied Climate Information System (ACIS) - Temperature and Precipitation

    The Regional Climate Centers (RCC) Applied Climate Information System (ACIS) offers interactive temperature and precipitation charts with single- or multi-station capabilities.

    Period of Record
    Current Conditions, Historical data (period of record varies)
    File Format
    images
    pdf
    View More Data & Maps
    Rain gauge for water measurement in a field at sunset

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    Temperature & Precipitation Research and Resources