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Since about 2006, NOAA has given its global surface temperature “anomalies” relative to 20th century (1901 to 2000) average global surface temperatures. NOAA usually up-dates its lists of global temperature anomalies in the middle of each calendar month. NOAA does not maintain a publicly accessible archive of previous editions of its lists of global temperature anomalies.

Thursday 20 April 2017

20-04-2017

Monthly “global land and ocean temperature anomalies”, 01/1880 to 03/2017.
https://web.archive.org/web/20170420021711/https://www.ncdc.noaa.gov/cag/time-series/global/globe/land_ocean/p12/12/1880-2017.csv

Annual “global land and ocean temperature anomalies”, 1880 to 2016.
https://web.archive.org/web/20170420035650/https://www.ncdc.noaa.gov/cag/time-series/global/globe/land_ocean/ytd/12/1880-2017.csv

Monthly “global land temperature anomalies”, 01/1880 to 03/2017.
http://archive.is/fseUw

Annual “global land temperature anomalies”, 1880 to 2016.
http://archive.is/K2OjG

Monthly “global ocean temperature anomalies”, 01/1880 to 03/2017.
http://archive.is/AKF0n

Annual “global ocean temperature anomalies”, 1880 to 2016.
http://archive.is/QoBaM