We are now one month into the final year of a new 30-year climate normal period (1991-2020 vs 1981-2010). How does January 1991-2020 compare to Jan 1981-2010? Well, there are a lot more warm colors on the map than cool colors. #GHCN4 pic.twitter.com/cuoPJZgS2I

— Brian Brettschneider (@Climatologist49) February 5, 2020