April 2021 Summary – Warmer and Sunnier Than Average
Blue Hill Observatory April 2021 Summary: April was warmer and much sunnier than average. The 24-hour adjusted mean temperature for the month of 47.0 deg F was 2.1 degrees warmer than the 1891-2020 130-year average for April, and it was 0.7 degrees warmer than the 1981-2010 30-year average. The average maximum temperature of 57.2 deg… Read More »


