Global mean temperature difference (˚C)
1850
1860
1870
1880
1890
1900
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
2010
2020
−0.2
−0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
WMO (degC)
HadCRUT (degC)
NOAAGlobalTemp (degC)
GISTEMP (degC)
ERA-5 (degC)
JRA-55 (degC)