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Humidity Data Access and Tools

NASA’s humidity data range from hourly primary forcing data to modeled data based on measurements from high-altitude aircraft. Our datasets and tools help users find and integrate the data they need to see how humidity influences weather, ecosystems, and how we live our lives.

Humidity Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
MLS/Aura Level 2 Relative Humidity With Respect To Ice V006 (ML2RHI) 006 Aura MLS 2004-08-02 to Present

N: 82 S: -82 E: 180 W: -180

MLS/Aura Level 3 Daily Binned Relative Humidity With Respect To Ice (RHI) on Assorted Grids V004 (ML3DBRHI) 004 Aura MLS 2004-08-02 to Present

N: 82 S: -82 E: 180 W: -180

5 Decimal Degrees x 4 Decimal Degrees
MLS/Aura Level 3 Daily Binned Relative Humidity With Respect To Ice (RHI) on Assorted Grids V005 (ML3DBRHI) 005 Aura MLS 2004-08-02 to Present

N: 82 S: -82 E: 180 W: -180

5 Decimal Degrees x 4 Decimal Degrees
MLS/Aura Level 3 Daily Binned Relative Humidity With Respect To Ice (RHI) on Zonal and Similar Grids V004 (ML3DZRHI) 004 Aura MLS 2004-08-02 to Present

N: 82 S: -82 E: 180 W: -180

MLS/Aura Level 3 Daily Binned Relative Humidity With Respect To Ice (RHI) on Zonal and Similar Grids V005 (ML3DZRHI) 005 Aura MLS 2004-08-02 to Present

N: 82 S: -82 E: 180 W: -180

MLS/Aura Level 3 Monthly Binned Relative Humidity With Respect To Ice (RHI) on Assorted Grids V004 (ML3MBRHI) 004 Aura MLS 2004-08-02 to 2023-12-31

N: 82 S: -82 E: 180 W: -180

5 Decimal Degrees x 4 Decimal Degrees
MLS/Aura Level 3 Monthly Binned Relative Humidity With Respect To Ice (RHI) on Assorted Grids V005 (ML3MBRHI) 005 Aura MLS 2004-08-02 to Present

N: 82 S: -82 E: 180 W: -180

5 Decimal Degrees x 4 Decimal Degrees
Mobile UIUC Soundings IMPACTS V1 1 GROUND STATIONS RAWINSONDES 2020-01-18 to 2023-02-28

N: 44.707 S: 38.958 E: -70.661 W: -88.253

netCDF-4
MODIS/Aqua Aerosol, Cloud and Water Vapor Subset 5-Min L2 Swath 5km and 10km 6.1 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

HDF-EOS
MODIS/Aqua Aerosol Cloud Water Vapor Ozone 8-Day L3 Global 1Deg CMG 6.1 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees HDF-EOS
MODIS/Aqua Aerosol Cloud Water Vapor Ozone Daily L3 Global 1Deg CMG 6.1 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees HDF-EOS
MODIS/Aqua Aerosol Cloud Water Vapor Ozone Monthly L3 Global 1Deg CMG 6.1 Aqua MODIS 2002-07-01 to Present

N: 90 S: -90 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees HDF-EOS
MODIS/Aqua Temperature and Water Vapor Profiles 5-Min L2 Swath 5km 6.1 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

HDF-EOS
MODIS/Aqua Temperature and Water Vapor Profiles 5-Min L2 Swath 5km - NRT 6.1NRT Aqua MODIS 2017-10-20

N: 90 S: -90 E: 180 W: -180

5 Kilometers x 5 Kilometers HDF-EOS
MODIS/Aqua Total Precipitable Water Vapor 5-Min L2 Swath 1km and 5km 6.1 Aqua MODIS 2002-07-04 to Present

N: 90 S: -90 E: 180 W: -180

HDF-EOS
MODIS/Aqua Total Precipitable Water Vapor 5-Min L2 Swath 1km and 5km - NRT 6.1NRT Aqua MODIS 2017-10-20

N: 90 S: -90 E: 180 W: -180

5 Kilometers x 5 Kilometers HDF-EOS
MODIS/Terra Aerosol, Cloud and Water Vapor Subset 5-Min L2 Swath 5km and 10km 6.1 Terra MODIS 2000-02-24 to Present

N: 90 S: -90 E: 180 W: -180

HDF-EOS
MODIS/Terra Aerosol Cloud Water Vapor Ozone 8-Day L3 Global 1Deg CMG 6.1 Terra MODIS 2000-02-18 to Present

N: 90 S: -90 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees HDF-EOS
MODIS/Terra Aerosol Cloud Water Vapor Ozone Daily L3 Global 1Deg CMG 6.1 Terra MODIS 2000-02-24 to Present

N: 90 S: -90 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees HDF-EOS
MODIS/Terra Aerosol Cloud Water Vapor Ozone Monthly L3 Global 1Deg CMG 6.1 Terra MODIS 2000-02-01 to Present

N: 90 S: -90 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees HDF-EOS
MODIS/Terra Temperature and Water Vapor Profiles 5-Min L2 Swath 5km 6.1 Terra MODIS 2000-02-24 to Present

N: 90 S: -90 E: 180 W: -180

HDF-EOS
MODIS/Terra Temperature and Water Vapor Profiles 5-Min L2 Swath 5km - NRT 6.1NRT Terra MODIS 2017-10-11

N: 90 S: -90 E: 180 W: -180

5 Kilometers x 5 Kilometers HDF-EOS
MODIS/Terra Total Precipitable Water Vapor 5-Min L2 Swath 1km and 5km 6.1 Terra MODIS 2000-02-24 to Present

N: 90 S: -90 E: 180 W: -180

HDF-EOS
MODIS/Terra Total Precipitable Water Vapor 5-Min L2 Swath 1km and 5km - NRT 6.1NRT Terra MODIS 2017-10-11

N: 90 S: -90 E: 180 W: -180

5 Kilometers x 5 Kilometers HDF-EOS
NAAMES C-130 Aircraft Merge Data Files 1 C-130 Computer 2015-11-10 to 2017-09-22

N: 65 S: 30 E: -30 W: -80

ICARTT
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Featured Humidity Observation Method: MLS

The Microwave Limb Sounder (MLS) instrument is carried aboard the Aqua satellite and acquires measurements globally day and night. The MLS makes measurements of atmospheric composition, temperature, humidity and cloud ice that are needed to learn more about weather, climate, and air quality.

Learn More About MLS
image collage of satellite data images of Earth

MLS Near Real-Time Data

Near real-time atmosphere, temperature, humidity, and cloud ice data from the Microwave Limb Sounder (MLS) are available through NASA's Land, Atmosphere Near real-time Capability for Earth observation (LANCE).
image of MLS SIPS data over Antarctica

MLS Products Available in GIBS

In coordination with the Microwave Limb Sounder (MLS) team, we now have several MLS products available through the GIBS image access APIs.

Humidity Data Tools

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