October 2022 Summary – Much Warmer and Wetter Than Average

Blue Hill Observatory October 2022 Summary: 

October temperature was well above average with more precipitation and less sunshine than average. The approximated 24-hour mean temperature for the month of 54.5 deg F was 3.2 degrees warmer than the 1891-2020 130-year average for October, and it was 2.3 degrees warmer than the 1991-2020 30-year average. The average maximum temperature of 62.5 deg F was 1.5 degrees warmer than the 30-year normal, and the average minimum temperature of 46.7 deg F was 2.7 degrees warmer than the 30-year normal. There were no temperature extremes during October. The highest temperature for the month was 77F on the 7th, and the lowest temperature was 36F on the 9th, 28th and 29th. The total precipitation was 5.69 inches, which was slightly more than average with 0.20 inches more than the 30-year normal. The greatest rainfall in 24 hours was 2.16 inches on the 13th-14th. There was one thunderstorm day during October, which was average, and the annual total is up to 18, which is four less than average. The mean wind speed for the month was 11.2 mph, which tied with 2013 for the lowest on record for October, and the prevailing wind direction was from the southwest. The highest wind gust was 53 mph from the east-northeast on the 2nd. October sunshine was below average with 176.7 hours of bright sunshine, or 53 percent of possible, which was two percent less than the long-term average for October.

BHO Lowest October Mean Wind Speed (1885-2022):
1) 11.2 in 2013
   11.2 in 2022
3) 11.3 in 2020
4) 11.4 in 2021
5) 11.8 in 1997
   11.8 in 2016

Mike Iacono
Chief Scientist
Blue Hill Observatory