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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
DISCOVER-AQ Maryland University of Maryland Cessna Aircraft Data 1 UMD Cessna TECO 43C, TECO 49 2011-07-07 to 2011-07-29

N: 39.67 S: 37.14 E: -75.18 W: -78.84

ICARTT
DISCOVER-AQ Texas Deployment Analysis and Ancillary Ground Site Data 1 GROUND STATIONS CAPS NO2 Analyzer, 2B Technologies, PTR-MS, CEILOMETERS, Vaisala HUMICAP HMP155, RM Young 05103 Wind Monitor, TE525 Rain Gauge 2013-08-13 to 2016-03-14

N: 43 S: 23 E: -70 W: -110

ICARTT
DISCOVER-AQ Texas Deployment Moody Tower Ground Site Data 1 GROUND STATIONS LIDAR, Thermo Model 49C O3 Analyzer, Thermo Scientific SO2 43i Analyzer, Thermo Scientific CO Analyzer, Thermo Model 42C NO-NO2-NOx Analyzer, Thermo Scientific NOx Analyzer, RM Young 05103 Wind Monitor, HMP45C Temperature and Relative Humidity Probe 2013-09-01 to 2013-10-01

N: 29.73 S: 29.71 E: -95.2 W: -95.4

HDF5, ICARTT
DISCOVER-AQ Texas Deployment P-3B Aircraft In Situ Meteorological and Navigational Data 1 P-3B DLH, GPS, PRESSURE TRANSDUCERS, TEMPERATURE SENSORS, HYGROMETERS 2013-08-26 to 2013-10-01

N: 43 S: 23 E: -70 W: -123.199

ICARTT
DISCOVER-AQ Texas Deployment P-3B Aircraft Merged Data Files 1 P-3B Computer 2011-06-30 to 2013-10-01

N: 43 S: 23 E: -70 W: -100

ICARTT
DISCOVER-AQ Texas Deployment Smith Point Ground Site Data 1 GROUND STATIONS MPL, 2B Technologies, 2B Technologies NO Monitor, 2B Technologies NO2 Converter, APS, TSI CPC-3010, MULTIFILTER RADIOMETER, CAPS NO2 Analyzer, TEMPERATURE SENSORS, PRESSURE SENSORS 2013-08-29 to 2013-09-28

N: 29.55 S: 29.54 E: -94.78 W: -94.79

HDF5, ICARTT
DISCOVER-AQ Texas Deployment Texas Commission on Environmental Quality Ground Site Data 1 GROUND STATIONS GAS SENSORS, CHEMILUMINESCENCE, Teledyne API Model T200 NO/NO2/NOx Analyzer, Teledyne API Ozone Analyzer 2013-08-13 to 2013-10-02

N: 43 S: 23 E: 96 W: -110

ICARTT
ECCO Atmosphere Surface Temperature, Humidity, Wind, and Pressure - Daily Mean 0.5 Degree (Version 4 Release 4) V4r4 MODELS, MITgcm 1992-01-01 to 2018-01-01

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

0.5 Decimal Degrees x 0.5 Decimal Degrees netCDF-4
ECCO Atmosphere Surface Temperature, Humidity, Wind, and Pressure - Daily Mean llc90 Grid (Version 4 Release 4) V4r4 MODELS, MITgcm 1992-01-01 to 2018-01-01

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

1 Decimal Degrees x 1 Decimal Degrees netCDF-4
ECCO Atmosphere Surface Temperature, Humidity, Wind, and Pressure - Monthly Mean 0.5 Degree (Version 4 Release 4) V4r4 MODELS, MITgcm 1992-01-01 to 2018-01-01

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

0.5 Decimal Degrees x 0.5 Decimal Degrees netCDF-4
ECCO Atmosphere Surface Temperature, Humidity, Wind, and Pressure - Monthly Mean llc90 Grid (Version 4 Release 4) V4r4 MODELS, MITgcm 1992-01-01 to 2018-01-01

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

1 Decimal Degrees x 1 Decimal Degrees netCDF-4
ECOSTRESS Gridded Downscaled Meteorology Instantaneous L3 Global 70 m V002 002 ISS ECOSTRESS 2018-07-10 to Present

N: 54 S: -54 E: 180 W: -180

70 Meters x 70 Meters HDF5
ECOSTRESS Tiled Downscaled Meteorology Instantaneous L3 Global 70 m V002 002 ISS ECOSTRESS 2018-07-10 to Present

N: 54 S: -54 E: 180 W: -180

70 Meters x 70 Meters COG
ECOSTRESS Tiled Evapotranspiration Auxiliary L3 Global 70 m V003 003 ISS ECOSTRESS 2018-07-09 to Present

N: 54 S: -54 E: 180 W: -180

70 Meters x 70 Meters COG
Fast Longwave And SHortwave Fluxes (FLASHflux) Clouds and Radiative Swath (SSF) data in netCDF Version1A NOAA-20 CERES-FM6 2022-12-13 to 2024-04-02 NetCDF-4
Fast Longwave And SHortwave Fluxes (FLASHflux) NOAA-20 Clouds and Radiative Swath (SSF) Version1B Version1B NOAA-20 CERES-FM6 2023-10-01 to Present netCDF-4
FireSense: Balloon Vertical Profile Measurements, Fort Drum, NY, USA, 2024 1 BALLOONS RADIOSONDES 2024-04-08 to 2024-04-08

N: 44.2759 S: 43.9079 E: -74.499 W: -75.5416

multiple
FireSense: Balloon Vertical Profile Measurements, Missoula, MT, USA, 2024 1 BALLOONS RADIOSONDES 2024-08-28 to 2024-08-29

N: 46.8556 S: 46.2265 E: -113.03 W: -113.996

multiple
FireSense: UAS Vertical Profile Measurements, Fort Drum, NY, USA, 2024 1 UAV SONIC ANEMOMETER, RADIOSONDES 2024-04-08 to 2024-04-08

N: 44.2476 S: 44.2475 E: -75.5402 W: -75.5404

multiple
FIREX-AQ DC8 In-Situ Meteorological and Navigational Data 1 NASA DC-8 GPS, HYGROMETERS, PRESSURE TRANSDUCERS, PITOT-STATIC SYSTEM, TEMPERATURE SENSORS, MMS, DLH, LGR 2019-07-15 to 2019-09-05

N: 60 S: 15 E: -75 W: -135

ICARTT
FIREX-AQ NOAA-CHEM Twin Otter In Situ Meteorological and Navigational Data 1 NOAA Twin Otter ARIM200, GPS 2019-07-29 to 2019-09-06

N: 60 S: 15 E: -75 W: -135

ICARTT
First ISCCP Regional Experiment - Arctic Cloud Experiment Utrecht University Tower 1 FIXED OBSERVATION STATIONS Pyrgeometer, THERMISTORS 1998-04-27 to 1998-05-27

N: 76.52 S: 76 E: -164.84 W: -167.85

ASCII
First ISCCP Regional Experiment (FIRE) Arctic Cloud Experiment (ACE) University of Washington CV580 Aircraft 1 CONVAIR CV-580 NOT APPLICABLE 1998-05-19 to 1998-06-24

N: 77.8 S: 68 E: -154 W: -171.7

HDF
First ISCCP Regional Experiment (FIRE) Atlantic Stratocumulus Transition Experiment (ASTEX) CSU Surface Observations (FIRE_AX_CSU_MET_SFC) 1 GROUND STATIONS PYRANOMETERS, ANEMOMETERS 1992-05-30 to 1992-06-30

N: 33.09 S: 33.07 E: -16.34 W: -16.36

ASCII
First ISCCP Regional Experiment (FIRE) Atlantic Stratocumulus Transition Experiment (ASTEX) ECMWF Diagnostics 1 MODELS NOT APPLICABLE 1992-06-01 to 1992-06-28

N: 45 S: 20 E: -5 W: -35

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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