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COBE North Pacific Comparison SST Data: COBEv3: Centennial in situ Observation-Based Estimates Version 3
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The Centennial in situ Observation-Based Estimates of Sea Surface Temperature version 3 (COBE-SST3) is a SST analysis produced by the Japanese Meteorological Agency (JMA). The main COBE-SST3 reconstruction provides spatially complete estimates of SST over the global…

Main variables and Earth System components

Ocean SST - sea surface temperature
    • Timestep

    • Daily, Monthly
    • Collections

Last updated 1 day 7 hours ago
SSU+TLS Stratospheric Temperature Series Stratospheric Temperature: Satellite Datasets Used to Quantify Lower, Middle, and Upper Stratospheric Temperatures
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The temperature of the stratosphere is a key climate variable for understanding variability and change of the Earth's radiation budget, particularly due to sensitivity to changes in stratospheric ozone as well as aerosols from volcanoes and wildfires. While there are…

Main variables and Earth System components

Atmosphere Air Temperature
Last updated 1 day 8 hours ago
OISSTv2.1 global mean SST data: NOAA daily Optimum Interpolation Sea Surface Temperature version 2.1, OISSTv2.1
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NOAA’s daily Optimum Interpolation Sea Surface Temperature (dOISST, also known as Reynolds’ SST or OISST) is a global SST analysis product. An SST analysis is a spatially gridded product created by interpolating and extrapolating data, resulting in a smoothed spatially-…

Main variables and Earth System components

Ocean SST - sea surface temperature
Last updated 2 days 7 hours ago
ERSSTv6 vs v5 July 2025 SST Data: NOAA Extended Reconstruction SSTs Version 6 (ERSSTv6)
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The NOAA Extended Reconstruction Sea Surface Temperature version 6 (ERSSTv6) is a global, spatially complete SST data at monthly 2°×2° resolutions based on in situ observations for 1850-present. Version 6 is based upon statistical interpolation of the ICOADS release 3.0.2…

Main variables and Earth System components

Ocean SST - sea surface temperature
Last updated 2 days 7 hours ago
SST Data: NOAA Extended Reconstruction SSTs Version 5 (ERSSTv5) SST Data: NOAA Extended Reconstruction SSTs Version 5 (ERSSTv5)
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Note: ERSST is currently on version 6. See the ERSSTv6 page here.  The NOAA Extended Reconstruction Sea Surface Temperature (ERSST) provides global, spatially complete SST data at a monthly timestep for 1854-present. Version5 is based upon statistical interpolation…

Main variables and Earth System components

Ocean SST - sea surface temperature
Last updated 2 days 8 hours ago
SST data: NOAA Extended Reconstruction SSTs, version 3 (ERSSTv3 & 3b) SST data: NOAA Extended Reconstruction SSTs, version 3 (ERSSTv3 & 3b)
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Note: ERSST is currently on version 6. See the ERSSTv6 page here.  The NOAA Extended Reconstruction Sea Surface Temperature (ERSST) provides global, spatially complete SST data at a monthly timestep for 1854-present. Version3 is based upon statistical interpolation…

Main variables and Earth System components

Ocean SST - sea surface temperature
Last updated 2 days 8 hours ago
SST data: NOAA Extended Reconstruction SSTs, Version 4 SST data: NOAA Extended Reconstruction SSTs, Version 4
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Note: ERSST is currently on version 6. See the ERSSTv6 page here.  The NOAA Extended Reconstruction Sea Surface Temperature (ERSST) provides global, spatially complete SST data at a monthly timestep for 1854-present.  Compared to the previous version, Version 4…

Main variables and Earth System components

Ocean SST - sea surface temperature
Last updated 2 days 8 hours ago
SST Data Sets: Overview & Comparison Table
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This overview focuses on SST datasets designed for climate applications. The focus is on datasets with coverage back to around 1850 at monthly resolution but select datasets over the satellite era that have been specifically developed as climate monitoring resources are…

Main variables and Earth System components

Ocean SST - sea surface temperature
Last updated 2 days 8 hours ago
Night Marine Air Temperature (NMAT) Datasets: CLASSnmat and UAHNMATv1
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Night Marine Air Temperature (NMAT) refers to measurements of air temperature recorded with thermometers on the weather stations of ships. NMAT is a highly correlated variable with Sea Surface Temperature (SST), capturing the temperature of the atmosphere near the surface…

Main variables and Earth System components

Atmosphere Air Temperature
Last updated 1 week 2 days ago
The World Glacier Monitoring Service Network of Reference glaciers Observations of Glacier Mass Balance: The World Glacier Monitoring Service
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Mountain glaciers and ice caps have been studied as sensitive indicators of climate since the 19th century. The recognition of glacier sensitivity to climate led to the development of a global reporting system for glacier terminus change and glacier mass balance during…

Main variables and Earth System components

Cryosphere Glaciers
Last updated 2 weeks 1 day ago