Using the 7SS 1909- (1981-2010 normal)Warmest1. 2021 had
13.5 which is more than 0.9 above normal
2. 2016 had
13.4 which is more than 0.8 above normal
3. 2018 tied with 1998 had
13.4 which is 0.8 above normal
4. 1999 had
13.3 which is more than 0.7 above normal
5. 2019 had
13.3 which is more than 0.7 above normal
6. 2013 had
13.3 which is 0.7 above normal
7. 2020 had
13.2 which is more than 0.6 above normal
8. 2017 had
13.1 which is more than 0.5 above normal
9. 2005 had
13.1 which is 0.5 above normal
10. 1971 had
13.1 which is 0.5 above normal
Coolest1. 1930 had
11.3 which is more than 1.3 below normal
2. 1912 had
11.4 which is more than 1.2 below normal
3. 1919 had
11.4 which is 1.2 below normal
4. 1931 had
11.5 which is more than 1.1 below normal
5. 1992 had
11.5 which is 1.1 below normal (
due to the effects of Pinatubo Eruption and El Nino which lasted from 1991-1995)
6. 1945 had
11.5 which is 1.1 below normal
7. 1920 had
11.6 which is more than 1.0 below normal
8. 1913 had
11.6 which is more than 1.0 below normal
9. 1914 had
11.6 which is more than 1.0 below normal
10. 1925 had
11.6 which is 1.0 below normal
Seem to be an Impossibility Today by the point.