(3) 2021 in USA (Lower 48 States) had an average temp. of 54.51F and was the 4th warmest year on records behind 2012,2016 and 2017 (only 0.04F behind 2017). Anomaly was:
+1.23F above the 91-20 norm
+1.69F vs 81-10
+2.55F vs. 61-90
+2.49F vs 20th century average.(see NOAA map) pic.twitter.com/9H3Jl5XMHP

— Extreme Temperatures Around The World (@extremetemps) January 10, 2022