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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
GPM Ground Validation Advanced Vertical Atmospheric Profiling System (AVAPS) OLYMPEX V1 1 NASA DC-8 AVAPS 2015-11-12 to 2015-12-19

N: 48.202 S: 46.2982 E: -124.564 W: -128.876

ASCII
GPM Ground Validation Albert Head (AHD) Ground Meteorological Station (MET) OLYMPEX V1 1 GROUND STATIONS FD12P WEATHER SENSOR, RAIN GAUGES, TEMPERATURE SENSORS, Visibility Sensor 2015-11-13 to 2016-01-17

N: 48.39 S: 48.37 E: -123.46 W: -123.48

ASCII, XML
GPM GROUND VALIDATION ENVIRONMENT CANADA (EC) RADIOMETER GCPEX V1 1 GROUND STATIONS RADIOMETERS 2012-02-14 to 2012-03-01

N: 44.2332 S: 44.2332 E: -79.7806 W: -79.7806

ASCII
GPM GROUND VALIDATION ENVIRONMENT CANADA (EC) RADIOSONDE GCPEX V1 1 GROUND STATIONS RADIOSONDES 2012-01-17 to 2012-02-29

N: 44.96 S: 43.38 E: -78 W: -79.85

ASCII
GPM Ground Validation Environment Canada (EC) Weather Station XET C3VP V1 1 GROUND STATIONS THERMOMETERS, PRESSURE PROBE, ANEMOMETERS, WIND VANES, PYRANOMETERS, Pyrgeometer, SUNSHINE RECORDERS, ULTRASONIC DEPTH SENSOR 2006-10-04 to 2007-03-31

N: 44.24 S: 44.22 E: -79.77 W: -79.79

ASCII
GPM GROUND VALIDATION GCPEX SNOW MICROPHYSICS CASE STUDY V1 1 NASA DC-8, GROUND STATIONS, UND CITATION II APR-2, CIPS, D3R, DPR, HVPS, PMS 2D-C PROBE 2012-02-24 to 2012-02-25

N: 46.3966 S: 43.4595 E: -78.7616 W: -80.4026

netCDF-4
GPM GROUND VALIDATION METEOROLOGICAL TOWER ENVIRONMENT CANADA GCPEX V1 1 METEOROLOGICAL STATIONS BAROMETERS, HUMIDITY SENSORS, PYRANOMETERS, TEMPERATURE PROBES, WIND MONITOR 2012-01-15 to 2012-03-01

N: 44.69 S: 44.18 E: -79.64 W: -79.93

ASCII
GPM GROUND VALIDATION NOAA SURFACE METEOROLOGICAL STATION MC3E 1 METEOROLOGICAL STATIONS HUMIDITY SENSORS, RAIN GAUGES, TEMPERATURE SENSORS, WIND MONITOR 2011-04-05 to 2011-06-07

N: 36.61 S: 36.61 E: -97.49 W: -97.49

ASCII
GPM GROUND VALIDATION OKLAHOMA CLIMATOLOGICAL SURVEY MESONET MC3E 1 MESONET APS, HUMIDITY SENSORS, RAIN GAUGES, TEMPERATURE SENSORS, WIND MONITOR, SOIL MOISTURE PROBE 2011-04-22 to 2011-06-06

N: 37 S: 33.28 E: -94 W: -103

ASCII
GPM Ground Validation Physicum Building Mast Meteorological Data LPVEx 1 GROUND STATIONS ANEMOMETERS, HUMIDITY SENSORS, RADIOMETERS, RAIN GAUGES, TEMPERATURE SENSORS 2010-09-16 to 2010-10-22

N: 60.2147 S: 60.1947 E: 24.9733 W: 24.9533

ASCII
GPM GROUND VALIDATION SATELLITE SIMULATED ORBITS C3VP V1 1 CRM DPR, GMI 2007-01-20 to 2007-01-23

N: 75 S: 34 E: 23 W: 25

netCDF-3
GPM GROUND VALIDATION SATELLITE SIMULATED ORBITS LPVEX V1 1 CRM DPR, GMI 2010-09-21 to 2010-10-21

N: 75 S: 34 E: 25 W: 23

netCDF-3
GPM GROUND VALIDATION SATELLITE SIMULATED ORBITS MC3E V1 1 CRM DPR, GMI 2011-04-25 to 2011-05-21

N: 43 S: 28 E: -91 W: -121

netCDF-3
GPM GROUND VALIDATION SATELLITE SIMULATED ORBITS TWP-ICE V1 1 CRM DPR, GMI 2006-01-23 to 2006-02-06

N: -10 S: -25 E: 140 W: 125

netCDF-3
GPM Ground Validation SEA FLUX ICE POP V1 1 MODELS Computer 2017-09-01 to 2018-04-30

N: 54.25 S: 8.5 E: 177.5 W: 98.5

netCDF-4
GPM Ground Validation Snow Depth Monitoring System OLYMPEX V1 1 GROUND STATIONS CAMERA, HUMIDITY SENSORS, SNOW TUBE, TEMPERATURE SENSORS 2014-09-05 to 2016-07-26

N: 47.8224 S: 47.5008 E: -123.033 W: -123.707

Excel, netCDF-3
GPM GROUND VALIDATION TOTAL PRECIPITATION SENSOR (HOTPLATE) GCPEX V1 1 GROUND STATIONS Total Precipitation Sensor (Hotplate) 2011-11-07 to 2012-02-21

N: 44.3 S: 44.2 E: -79.64 W: -79.78

ASCII
GPM Ground Validation UNCA Upper Air Radiosonde IPHEx V1 1 GROUND STATIONS RADIOSONDES 2014-04-29 to 2014-06-12

N: 36.5301 S: 35.1665 E: -81.4548 W: -82.5944

ASCII
GPM Ground Validation Upper Air Radiosonde LPVEx V1 1 GROUND STATIONS RADIOSONDES 2010-09-15 to 2011-01-28

N: 61.01 S: 58.8 E: 26.96 W: 24.877

ASCII
GPM Ground Validation Upper Air Radiosonde OLYMPEX V1 1 NASA DC-8, GROUND STATIONS DROPSONDES, RADIOSONDES 2015-10-28 to 2016-01-16

N: 50.68 S: 43.5473 E: -120.439 W: -128.88

ASCII, netCDF-3
GPM Ground Validation Weather Research and Forecasting (WRF) Images MC3E V1 1 WRF Computer 2011-04-19 to 2011-06-06

N: 45 S: 25 E: -80 W: -115

GIF, PNG
GPM GROUND VALIDATION WYOMING KING AIR CLOUD MICROPHYSICS LPVEX V1 1 UWKA CDP, FSSP, GPS, LICOR GAS EXCHANGE SYSTEM, NEVZOROV PROBE, PMS 2D-C PROBE, PMS 2D-P PROBE, ROSEMOUNT PROBES 2010-09-11 to 2010-10-20

N: 61.5401 S: 59.6884 E: 26.5131 W: 19.8372

netCDF-3
GRIP BARBADOS/CAPE VERDE RADIOSONDE V1 1 BALLOONS RADIOSONDES 2010-08-14 to 2010-09-24

N: 16.8644 S: 13.1 E: -24.8671 W: -59.6251

ASCII
GRIP DC-8 DROPSONDE V3 3 NASA DC-8 DROPSONDES 2010-08-17 to 2010-09-22

N: 34.7358 S: 12.0041 E: -55.3201 W: -96.7127

ASCII
GRIP DC-8 NAVIGATION AND HOUSEKEEPING DATA V1 1 NASA DC-8 GPSP, TEMPERATURE PROBES 2010-08-10 to 2010-09-22

N: 34.7533 S: 11.9998 E: -55.3183 W: -118.43

ASCII
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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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