dataset · Global

NASA NOAA CLIMATE DATA RECORD (CDR) PROGRAM Project

The Smith & Reynolds Extended Reconstructed Sea Surface Temperature (ERSST) Level 4 dataset provides a historical reconstruction of monthly global ocean surface temperatures and temperature anomalies over a 2 degree spatial grid since 1854 from in-situ observations based on a consistent statistical methodology that accounts for uneven sampling distributions over time and related observational biases. Version 5 of this dataset implements release 3.0 of ICOADS (International Comprehensive Ocean-At

Source details

Licence: [Creative Commons BY 4.0](https://creativecommons.org/licenses/by/4.0/)

Evidence quality: 27

Listed in aws-odr public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

Evidence

• arn:aws:s3:::podaac-ops-cumulus-protected/REYNOLDS_NCDC_L4_MONTHLY_V5
• https://registry.opendata.aws/nasa-noaa-climate-data-record-cdr-program/

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.