December was 6.9 deg F above normal for temperature. The high for the month was 65.9 deg. F, recorded on December 16. The low for the month was 15.8 deg F, recorded on December 20. There were 17 days when the minimum temperature was at or below 32 F and 0 days when the maximum temperature was at or below 32 F. There were 816 heating degree days and 0 cooling degree days.
December was a below-normal month for precipitation with 2.69 inches of rainfall recorded, which was 0.44 inches below normal. The maximum rainfall in a single day was 1.05 inches recorded on December 28. There were 12 days of rain >.01 in, 7 >.10 in and 1 > 1 in.
Overall, the year’s temperatures were above normal. The annual mean of 52.0 F was 1.8 F above normal. The annual precipitation of 40.17 inches was 0.53 inches below normal.
2021 Weather Data
January
January was a bit warmer than normal with a monthly mean of 30.7 F, which was 2.6 F above normal, with a high of 48 F and a low for the month of 14 F. Precipitation was 2.06 inches below normal with 1.05 inches of liquid precipitation. There were 3 inches of snow this month.
February
February was the coldest month of 2021 with a mean of 34.7 F, which was 1.2 F below normal. The high was 58 F and the low was 3 F, which was also the low for the year. Precipitation was 0.66 inches below normal at 1.61 inches. There were 13 inches of snowfall this month.
March
March temperatures were also mild at 5.3 F above normal with a high of 70 F and a low of 14 F. Precipitation was 0.86 inches below normal with 2.69 inches of liquid precipitation. The high wind speed for the month and year was 47 mph.
April
Temperatures were 1.2 F above normal in April. The high was 83 F and the low was 22 F. Rainfall was 1.12 inches below normal at 2.27 inches. The last day of temperatures below freezing was April 22.
May
Temperatures were cooler at 1.3 F below normal with a high of 88 F and a low of 32 F. Precipitation was 3.67 inches, 0.44 inches above normal.
June
Damaged Trees Blocking PA 550 near Patton/Halfmoon Township Line June 21, 2021 – Photo by George Riley
Temperatures for the month were 1.0 F above normal with a mean of 80.6 F. The high was 92 F and the low was 41 F. Precipitation was 2.56 inches above normal with 6.42 inches of rainfall.
July
The temperatures were 0.4 F below normal at a mean of 82.4. The high for the month was 92 F and the low was 50 F. Rainfall was 0.38 inches below normal with 3.08 inches of precipitation.
August
August was the warmest month this year. The month’s temperatures were 1.8 F above normal at a mean of 83.4. The high was 93 F and the low was 49 F. Precipitation was 0.88 inches above normal at 5.02 inches.
September
Temperatures were above normal this month with a mean of 75.0 F. The high was 86 F and the low was 42 F. There were 6.82 inches of rainfall, which was 2.84 inches above normal. This was the rainiest month of the year.
October
October was very mild with temperatures at 6.4 F above normal. The high was 79 F and the low was 36 F. Rainfall was near normal at 3.40 inches, which was 0.06 inches above normal.
November
Temperatures were cooler in November and were 2.6 F below normal. The high was 69 F and the low was 20 F. Precipitation was 1.45 inches, 1.79 inches below normal. The first freeze was on November 2. There was also less than 0.5 inches of snowfall.
December
December was very mild with a mean temperature of 46.5 F, 6.9 F above normal. The high was 66 F and the low was 16 F. Precipitation was 0.44 inches below normal at 2.69 inches. There was also 3 inches of snowfall.
November was 2.6 deg F below normal for temperature. The high for the month was 69.0 deg. F, recorded on November 9. The low for the month was 20.2 deg F, recorded on November 24. There were 20 days at or below 32 F and 0 days when the maximum temperature was at or below 32 F. There were 774 heating degree days and 1 cooling degree day.
November was a below-normal month for precipitation with 1.45 inches of rainfall recorded, which was 1.79 inches below normal. The maximum rainfall in a single day was 0.96 inches recorded on November 12. There were 9 days of rain >.01 in, 2 >.10 in and 0 > 1 in. There was also 1.2 inches of snow this month.
Foliage on Bald Eagle Mountain in Halfmoon Twp. – November 1, 2021
October was 6.4 deg F above normal for temperature. The high for the month was 79.4 deg. F recorded on October 15. The low for the month was 36.2 deg F, recorded on Oct 24. There were 0 days at or above 90 deg F and 0 days at or below 32 deg F. There were 252 heating degree days and 28 cooling degree days.
October was above average for precipitation with 3.40 inches of rainfall recorded, which was 0.06 inches above normal. The maximum rainfall in a single day was 1.23 inches recorded on October 29. There were 15 days of rain >.01 in, 8 >.10 in and 1 > 1 inch.
September was 1.4 deg F above normal for temperature. The high for the month was 85.7 deg. F recorded on September 18. The low for the month was 42.1 deg F, recorded on September 30. There were 0 days at or above 90 deg F and 0 days at or below 32 deg F. There were 120 heating degree days and 91 cooling degree days.
September had 6.82 inches of rainfall recorded, which was 2.84 inches above normal. The maximum rainfall in a single day was 1.96 inches recorded on September 1. There were 8 days of rain >.01 in, 8 >.10 in and 3 > 1 in.
August was 1.8 deg F above normal for temperature. The high for the month was 92.3 deg. F recorded on August 12. The low for the month was 48.8 deg F, recorded on August 3. There were 4 days at or above 90 deg F. There were 22 heating degree days and 245 cooling degree days.
August was an above normal month for precipitation with 5.02 inches of rainfall recorded, which was 0.88 inches above normal. The maximum rainfall in a single day was 2.26 inches recorded on August 18 (the remnants of Tropical Storm Fred). There were 15 days of rain >.01 in, 9 >.10 in and 1 >1 in.
June was 1.0 deg F above normal for temperature. The high for the month was 92 deg. F recorded on June 29. The low for the month was 41 deg F, recorded on June 23. There were 63 heating degree days and 188 cooling degree days.
June was an above normal month for precipitation with 6.42 inches of rainfall recorded, which was 2.56 inches above normal. The maximum rainfall in a single day was 1.65 inches recorded on June 13. There were 13 days of rain >.01 in, 10 >.10 in and 2 >1 in.
High wind speed of 44 mph on June 21. The high winds caused tree damage in the area.
Damaged Trees Blocking PA 550 near Patton/Halfmoon Township Line June 21, 2021 – Photo by George Riley
May was 1.3 deg F below normal for temperature. The high for the month was 87.7 F, recorded on May 21. The low for the month was 32.4 deg F, recorded on May 13. There were 0 days at or below 32 F. There were 297 heating degree days and 74 cooling degree days.
May was an a-normal month for precipitation with 3.67 inches of rainfall recorded, which was 0.44 inches above normal. The maximum rainfall in a single day was 1.15 inches recorded on May 9. There were 10 days of rain >.01 in, 9 >.10 in and 1 > 1 in.
The high wind speed for the month was 33 mph on May 26.
Stormstown Dispatch 