For those who use HadISST1, updates to September 2020 are now available metoffice.gov.uk/hadobs/hadisst ^JK

Global average sea-surface temperature from HadSST3 for October 2020 was 0.51±0.08°C above the 1961-1990 mean metoffice.gov.uk/hadobs/hadsst3/ ^JK

For those who use HadISST1, updates to October 2020 are now available metoffice.gov.uk/hadobs/hadisst ^JK

Global average sea-surface temperature from HadSST3 for December 2020 was 0.40±0.08°C above the 1961-1990 mean metoffice.gov.uk/hadobs/hadsst3/ ^JK

For those who use HadISST1, updates to November 2020 are now available metoffice.gov.uk/hadobs/hadisst ^JK

For those who use HadISST1, updates to December 2020 are now available metoffice.gov.uk/hadobs/hadisst ^JK

Global average sea-surface temperature from HadSST3 for January 2021 is now available metoffice.gov.uk/hadobs/hadsst3/ ^JK

The March 2021 update of HadSST4 is now available. metoffice.gov.uk/hadobs/hadsst4/ ^JK

The April 2021 updates of HadSST.4.0.0.0 and 4.0.1.0 are now available. metoffice.gov.uk/hadobs/hadsst4/ ^JK

For those who use HadISST1, the March 2021 update is now available. metoffice.gov.uk/hadobs/hadisst ^JK