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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
GRIP LIDAR ATMOSPHERIC SENSING EXPERIMENT (LASE) V1 1 NASA DC-8 DIAL, LASER HYGROMETERS 2010-08-13 to 2010-09-25

N: 34.7533 S: 12 E: -55.3183 W: -117.083

ASCII
High Altitude MMIC Sounding Radiometer (HAMSR) CPEX V1 1 NASA DC-8 HAMSR 2017-05-24 to 2017-07-16

N: 39.95 S: 5.05 E: -45.05 W: -99.95

netCDF-3
High Altitude MMIC Sounding Radiometer (HAMSR) CPEX-AW V1 1 NASA DC-8 HAMSR 2021-08-17 to 2021-09-04

N: 34.613 S: 11.768 E: -45.122 W: -118.078

netCDF-3
High Altitude MMIC Sounding Radiometer (HAMSR) CPEX-CV 1 NASA DC-8 HAMSR 2022-09-06 to 2022-09-30

N: 79.583000183105 S: 1.8480000495911 E: 3.9360001087189 W: -40.636001586914

netCDF-4
High Altitude MMIC Sounding Radiometer (HAMSR) EPOCH V1 1 GLOBAL HAWK HAMSR 2017-08-09 to 2017-08-31

N: 36.473 S: 16.116 E: -83.077 W: -125.321

netCDF-3
High Mountain Asia 1 km 6-hourly Downscaled Meteorological Data 2003 to 2018 V001 1 CHIRPS, ECMWF NOT APPLICABLE 2003-01-01 to 2018-12-31

N: 48.5 S: 12.95 E: 102.59 W: 56.94

0.01 Decimal Degrees x 0.01 Decimal Degrees netCDF-4, GeoTIFF
High Mountain Asia COAWST 6-Hourly 4km Regional Climate Model Simulations V001 1 MODELS NOT APPLICABLE 1999-10-01 to 2014-10-01

N: 46.34996 S: 20.96392 E: 120.8316 W: 49.1684

4 Kilometers x 4 Kilometers netCDF-3
High Mountain Asia COAWST Daily 4km Regional Climate Model Simulations V001 1 MODELS NOT APPLICABLE 1999-10-01 to 2014-09-30

N: 46.34996 S: 20.96392 E: 120.8316 W: 49.1684

4 Kilometers x 4 Kilometers netCDF-4
High Mountain Asia COAWST Hourly 4km Regional Climate Model Simulations V001 1 MODELS NOT APPLICABLE 1999-10-01 to 2014-10-01

N: 46.34996 S: 20.96392 E: 120.8316 W: 49.1684

4 Kilometers x 4 Kilometers netCDF-3
High Mountain Asia COAWST Monthly 4km Regional Climate Model Simulations V001 1 MODELS NOT APPLICABLE 1999-10-01 to 2014-09-30

N: 46.34996 S: 20.96392 E: 120.8316 W: 49.1684

4 Kilometers x 4 Kilometers netCDF-4
High Mountain Asia Langtang Automatic Weather Station Measurements V001 1 GROUND-BASED OBSERVATIONS IceCube 2017-10-22 to 2018-11-01

N: 28.214 S: 28.214 E: 85.61 W: 85.61

CSV
HURRICANE AND SEVERE STORM SENTINEL (HS3) GLOBAL HAWK ADVANCED VERTICAL ATMOSPHERIC PROFILING SYSTEM (AVAPS) DROPSONDE SYSTEM V2 2 GLOBAL HAWK AVAPS, DROPSONDES 2012-09-07 to 2014-09-30

N: 47.1646 S: 7.9001 E: -19.0779 W: -97.5988

ASCII
HURRICANE AND SEVERE STORM SENTINEL (HS3) GLOBAL HAWK HIGH ALTITUDE MMIC SOUNDING RADIOMETER (HAMSR) V1 1 GLOBAL HAWK HAMSR 2011-09-09 to 2013-09-26

N: 51.942 S: 9.239 E: -54.876 W: -175.713

PDF, netCDF-3
In-situ Air Temperature and Relative Humidity in Greenbelt, MD, 2013-2015 1 FIELD INVESTIGATION 2013-09-05 to 2015-12-28

N: 39 S: 38.9926 E: -76.8401 W: -76.8569

CSV
ISLSCP II Climate Research Unit CRU05 Monthly Climate Data 1 NOT APPLICABLE NOT APPLICABLE 1986-01-01 to 1995-12-31

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

multiple
ISLSCP II CRU05 Climate Time Series for Global Land Areas, 1986-1995 1 NOT APPLICABLE NOT APPLICABLE 1986-01-01 to 1995-12-31

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

multiple
KORUS-AQ Aircraft Merge Data Files 1 NASA DC-8 Computer 2016-04-24 to 2016-06-21

N: 61.32 S: 30.1 E: 180 W: -180

ICARTT
KORUS-AQ DC-8 Aircraft In Situ Meteorological and Navigational Data 1 NASA DC-8 DLH, CLH2, HYGROMETERS, GPS 2016-04-17 to 2016-06-21

N: 67 S: 25 E: 180 W: -180

ICARTT
KORUS-AQ Ozonesonde Data 1 GROUND STATIONS OZONESONDES 2016-04-28 to 2016-06-12

N: 37.96 S: 36.65 E: 129.18 W: 127

ICARTT
KORUS-AQ Research Vessel (R/V) JangMok Ship Data 1 R/V JangMok Thermo Scientific Ozone Analyzer, Thermo Scientific NOx Analyzer, Thermo Scientific CO Analyzer, Thermo Scientific SO2 43i Analyzer, WIND MONITOR, GPS 2016-05-20 to 2016-06-06

N: 35.62 S: 34.19 E: 129.66 W: 125.37

ICARTT
Land Surface Atmospheric Boundary Interaction Product L3 V1(LANDMET) 1 LANDMET NOT APPLICABLE 1998-01-01 to 2007-12-31

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

1 Kilometers x 1 Kilometers
LBA-ECO CD-01 Meteorological Data, Tapajos and Amazon Rivers, Santarem, Brazil: 2001 1 GOES-8, WEATHER STATIONS, BALLOONS GOES-8 Imager, SODAR, WIND MONITOR, RADIOSONDES 2001-06-01 to 2001-08-16

N: -2.43 S: -2.78 E: -54.72 W: -55.17

CSV
LBA-ECO CD-03 Flux-Meteorological Data, km 77 Pasture Site, Para, Brazil: 2000-2005 1 NOT APPLICABLE NOT APPLICABLE 2000-09-01 to 2006-01-01

N: -3.0202 S: -3.0202 E: -54.8942 W: -54.8942

CSV
LBA-ECO CD-03 Mesoscale Meteorological Data, Santarem Region, Para, Brazil: 1998-2006 1 METEOROLOGICAL STATIONS THERMISTORS, TDR, RAIN GAUGES, PRESSURE PROBE, WIND VANES, PYRANOMETERS, HUMIDITY SENSORS, ANEMOMETERS, THERMOMETERS 1998-08-20 to 2006-12-31

N: -3.3502 S: -3.3502 E: -54.924 W: -54.924

CSV
LBA-ECO CD-03 Nocturnal Meteorological Data, Forest and Pasture Sites, Para, Brazil 1 BALLOONS IRGA, WIND MONITOR, PRESSURE SENSORS, THERMISTORS, HUMIDITY SENSORS 2001-07-26 to 2003-11-26

N: -3.017 S: -3.0202 E: -54.8885 W: -54.9707

CSV
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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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