New Reference Base News Today

Global climate trend since Dec. 1 1978: +0.14 C per decade (New Reference Base, 1991-2020)   Northern Hemisphere: +0.14 C (+0.25 °F) above seasonal average Southern Hemisphere: +0.03 C (+0.05 °F) above seasonal average Tropics: +0.06 C (+0.11 °F) above seasonal average   Northern Hemisphere: +0.05 C (+0.09 °F) above seasonal average Southern Hemisphere: -0.15 C (-0.27 °F) below seasonal average Tropics: -0.28 C (-0.50 °F) below seasonal average   Notes on data released June 2, 2021 (v6...