NOAA: May 2021 Tied for Sixth-Warmest May on Record This post first appeared on climate.gov and was written by Rebecca Lindsey According to the latest monthly global climate summary from NOAA’s National Centers for Environmental Information (NCEI), May 2021 was among the top-ten warmest Mays on record: The May 2021 global surface temperature was 1.46ยฐF (0.81ยฐC) above the 20th-century average of 58.6ยฐF (14.8ยฐC), tying with 2018 as the sixth-warmest […] WeatherBrains | June 16, 2021 0 Comments