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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
BOREAS/SRC AMS Suite A Surface Meteorological and Radiation Data: 1994 1 METEOROLOGICAL STATIONS WIND MONITOR, ULTRASONIC DEPTH GAUGE, TEMPERATURE PROBES, RAIN GAUGES, LICOR QUANTUM SENSOR, PYRANOMETERS, NET RADIOMETERS, BAROMETERS, TEMPERATURE SENSORS, HUMIDITY SENSORS, INFRARED THERMOMETERS 1993-12-15 to 1994-12-31

N: 56.89 S: 52.15 E: -97.87 W: -108.51

ASCII
BOREAS/SRC AMS Suite A Surface Meteorological and Radiation Data: 1995 1 METEOROLOGICAL STATIONS WIND MONITOR, ULTRASONIC DEPTH GAUGE, TEMPERATURE PROBES, RAIN GAUGES, LICOR QUANTUM SENSOR, PYRANOMETERS, NET RADIOMETERS, BAROMETERS, TEMPERATURE SENSORS, HUMIDITY SENSORS, INFRARED THERMOMETERS 1995-01-01 to 1995-12-31

N: 56.89 S: 52.15 E: -97.87 W: -108.51

ASCII
BOREAS/SRC AMS Suite A Surface Meteorological and Radiation Data: 1996 1 METEOROLOGICAL STATIONS INFRARED THERMOMETERS, HUMIDITY SENSORS, TEMPERATURE SENSORS, WIND MONITOR, ULTRASONIC DEPTH GAUGE, RAIN GAUGES, LICOR QUANTUM SENSOR, PYRANOMETERS, NET RADIOMETERS, BAROMETERS, TEMPERATURE PROBES 1996-01-01 to 1996-12-31

N: 59.34 S: 50.57 E: -94.08 W: -110.05

ASCII
Burned and Unburned Field Site Data, Noatak, Seward, and North Slope, AK, 2016-2018 1 FIELD SURVEYS SOIL MOISTURE PROBE, THERMOMETERS 2016-07-22 to 2018-08-27

N: 69.6632 S: 65.0181 E: -148.641 W: -164.929

multiple
CAMEX-3 AIRBORNE VERTICAL ATMOSPHERE PROFILING SYSTEM (AVAPS) V1 1 NASA DC-8 AVAPS 1998-08-15 to 1998-09-22

N: 34.06 S: 14.0367 E: -63.549 W: -85.7233

ASCII, netCDF-3
CAMEX-3 ANDROS ISLAND RAWINSONDE AND RADIOSONDES V1 1 BALLOONS RADIOSONDES, RAWINSONDES 1998-08-04 to 1998-09-20

N: 25.139 S: 24.34 E: -77.403 W: -78.584

ASCII, netCDF-3
CAMEX-3 DC-8 NAVIGATION (DADS) DATA 1 NASA DC-8 DADS 1998-08-15 to 1998-09-23

N: 39.0333 S: 14.045 E: -62.96 W: -86.165

ASCII
CAMEX-4 AEROSONDE V1 1 AEROSONDE BAROMETERS, GPS, HYGROMETERS, THERMISTORS 2001-08-19 to 2001-09-10

N: 30.5738 S: 30.2039 E: -80.649 W: -81.4325

Excel
CAMEX-4 ANDROS ISLAND RAWINSONDE AND RADIOSONDES V1 1 BALLOONS BAROMETERS, GPS, HYGROMETERS, RADIOSONDES, RAWINSONDES, THERMISTORS 2001-08-16 to 2001-09-24

N: 24.768 S: 24.766 E: -77.842 W: -77.844

ASCII
CAMEX-4 MIPS SURFACE STATION 1 V1 1 MIPS, GROUND STATIONS ANEMOMETERS, BAROMETERS, HYGROMETERS, PYRANOMETERS, RAIN GAUGES, THERMOMETERS 2001-08-15 to 2001-09-08

N: 24.8 S: 24.6 E: -81.5 W: -81.7

ASCII
CAMEX-4 MIPS SURFACE STATION 2 V1 1 GROUND STATIONS, MIPS BAROMETERS, HYGROMETERS, ANEMOMETERS, PYRANOMETERS, RAIN GAUGES, THERMOMETERS 2001-08-26 to 2001-09-12

N: 24.8 S: 24.6 E: -81.5 W: -81.7

ASCII
CAMP2Ex Merge Data Files 1 NASA P-3 Computer 2019-08-22 to 2019-10-07 ICARTT, ZIP
CAMP2Ex P-3 In-Situ Meteorological and Navigational Data 1 NASA P-3 GPS, HYGROMETERS, PRESSURE TRANSDUCERS, PITOT-STATIC SYSTEM, TEMPERATURE SENSORS, MMS, DLH 2019-08-03 to 2019-10-10 ICARTT
CERES and MISR Along-Track Footprint Radiances, Fluxes, and Clouds Terra-FM1 1 Terra MODIS, CERES-FM1, CERES SCANNER, MISR, CERES-FM2 2000-04-12 to 2004-11-02 HDF4
CERES and MISR Along-Track Footprint Radiances, Fluxes, and Clouds Terra-FM2 1 Terra MODIS, CERES-FM1, CERES SCANNER, MISR, CERES-FM2 2000-04-12 to 2005-02-28 HDF4
CERES A-Train Integrated CALIPSO, CloudSat, CERES, and MODIS (CCCM) Merged Release B1 RelB1 CALIPSO, Aqua, CloudSat CALIOP, MODIS, CERES SCANNER, CERES-FM3, CloudSat-CPR 2006-07-01 to 2011-04-30 HDF4
CERES A-Train Integrated CALIPSO, CloudSat, CERES, and MODIS (CCCM) Merged Release D1 RelD1 CALIPSO, Aqua, CloudSat CALIOP, CERES-FM3, MODIS, CloudSat-CPR 2006-07-01 to 2011-04-30 HDF4
CERES A-Train Integrated CALIPSO, CloudSat, CERES, and MODIS (CCCM) Merged Release D2 RelD2 CALIPSO, Aqua, CloudSat CALIOP, CERES-FM3, MODIS, CloudSat-CPR 2006-07-01 to 2017-12-31 HDF4
CLAMS Chesapeake Lighthouse Vaisala RS-80 Radiosonde 1 OCEAN PLATFORMS RADIOSONDES 2001-07-10 to 2001-08-02 ASCII
CLAMS CV-580 Cloud Absorption Radiometer (CAR) 1 Convair-580 CAR 2001-07-10 to 2001-08-02 HDF4
CPEX-AW Dropsonde Data 1 NASA DC-8 DROPSONDES 2021-08-06 to 2021-09-16 NetCDF-3, ICARTT
CPEX-AW HALO Aerosol and Water Vapor Profiles and Images 1 NASA DC-8 HALO 2021-08-20 to 2021-09-04 HDF5, PNG
CPEX-CV Dropsonde Data 1 NASA DC-8 DC8 DROPSONDES 2022-06-16 to 2022-10-03 NetCDF-4, ICARTT, PNG
CPEX-CV HALO Aerosol and Water Vapor Profiles and Images 1 NASA DC-8 HALO 2022-09-03 to 2022-09-30 HDF5, PNG
CPEX-CV Merge Data Files 1 NASA DC-8, Data Analysis CIP, CAS, Computer 2022-09-06 to 2022-10-02 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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