Image caption
(left) Long-term average—"normal"—temperatures for April based on observations from 1991-2020. (middle) Average temperature for April 2023. (right) Difference from average temperatures in April 2023, with places that were warmer than average colored in shades of red, and places that were cooler than average colored in shades of blue. NOAA Climate.gov maps, based on data from NOAA National Centers for Environmental Information.