Weather as Recorded at the UMass Cranberry Station:
Prepared by Peter Jeranyama
April 2021 was slightly warm with below average precipitation and above average sunshine.
Overall, the temperature averaged 48.5 degrees, 2.45 degrees warmer than the 30-year average. The maximum temperature was 73 degrees on the 25th, this is 0.9 degrees warmer than the 30-year maximum temperature and a minimum temperature of 24 degrees was recorded on 4th night which is 2.2 degrees colder than the long-term average. Daytime high temperatures averaged 56.1 degrees; 1.6 degrees warmer than the norm. Evening low temperatures averaged 38.4 degrees; 0.9 degree warmer than the norm.
Sunshine, recorded at the Blue Hills Observatory, averaged 54% of the possible sunshine hours. Total sunshine hours were 215 hr., and this represents 22 hr. more than the long-term average. They were 8 days with 90% or better sunshine and 4 days with virtually no sunshine.
Precipitation totaled 3.99 inches, which is 0.62 inch below normal. We had measurable precipitation on 10 days; 5 days had 0.10 inches or greater rainfall. The largest 24-hour rainfall was 1.04 inches recorded on the 17th. Year-to-date rainfall for 2021 stands at 14.97 inches; this is 0.51 inches less than last year’s total at this time and 2.71 inches below the normal average for this time of year.
We had no snowfall in April. The total snowfall so far for the year (2021) is 22 inches which is 17 inches above this time in 2020.