December was near normal for temperature. The high for the month was 61.8 deg. F, recorded on December 29. The low for the month was 4.1 deg F, recorded on December 23. There were 26 days when the minimum temperature was at or below 32 F, 9 days when the maximum temperature was at or below 32 F, and 0 days when the minimum temperature was below 0. There were 1017 heating degree days and 0 cooling degree days.
December was a below-normal month for precipitation with 2.92 inches of liquid precipitation recorded, which was 0.26 inches below normal. The maximum rainfall in a single day was 0.72 inches recorded on December 9. There were 13 days of rain >.01 in, 7 >.10 in and 0 > 1 in.
November was 3.1 deg F above normal for temperature. The high for the month was 72.2 deg. F, recorded on November 6. The low for the month was 20.9 deg F, recorded on November 30. There were 10 days at or below 32 F and 1 day when the maximum temperature was at or below 32 F. There were 730 heating degree days and 0 cooling degree days.
November was a below-normal month for precipitation with 2.55 inches of rainfall recorded, 0.44 inches below normal. The maximum rainfall in a single day was 0.68 inches recorded on November 10. There were 11 days of rain >.01 in, 6 >.10 in, and 0 > 1 in.
The first snowfall of the season was on November 22.
October was 1.4 deg F above normal for temperature. The high for the month was 80.4 deg. F recorded on October 31. The low for the month was 29.7 deg F, recorded on Oct 27. The first freeze of the season, 31.9 F, was recorded on October 15. There were 0 days at or above 90 deg F and 7 days at or below 32 deg F. There were 392 heating degree days and 20 cooling degree days.
October was below average for precipitation with 0.95 inches of rainfall recorded, which was 2.51 inches below normal. The maximum rainfall in a single day was 0.52 inches recorded on October 1. There were 5 days of rain >.01 in, 2 >.10 in and 0 > 1 inch.
September was near normal for temperature. The high for the month was 83.9 deg. F recorded on September 1. The low for the month was 42.4 deg F, recorded on September 3. 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 75 cooling degree days.
September had 1.94 inches of rainfall recorded, which was 2.01 inches below normal. The maximum rainfall in a single day was 0.56 inches recorded on September 23. There were 10 days of rain >.01 in, 6 >.10 in, and 0 > 1 in. There was enough rainfall to end the moderate drought conditions in Pennsylvania.
July was 1.8 F above normal for temperature. The high for the month was 94.7 deg. F recorded on July 15. The low for the month was 49.5 deg F, recorded on July 2. There were 7 days at or above 90 deg F. There were 24 heating degree days and 302 cooling degree days.
July was a below-normal month for precipitation with 2.30 inches of rainfall recorded, which was 1.49 inches below normal. The maximum rainfall in a single day was 1.28 inches recorded on July 22. There were 6 days of rain >.01 in, 3 >.10 in, and 1 >1 in.
February was 7.0 deg F above normal for temperature. The high for the month was 61.4 deg. F, recorded on February 9. The low for the month was 15.3 deg F, recorded on February 15. There were 9 days when the maximum was at or below 32 F and 18 days when the minimum temperature was at or below 32 F. There were 838 heating degree days and 0 cooling degree days.
February was a below-normal month for precipitation with 1.74 inches of rainfall recorded, which was 0.72 inches below normal. The maximum rainfall in a single day was 0.68 inches recorded on February 28. There were 9 days of rain >.01 in, 4 >.10 in, and 0 > 1 in.
There were 6.3 inches of snow for the month, with a maximum daily total of 4.0 inches on February 17.
December was 7.1 deg F above normal for temperature. The high for the month was 61.2 deg. F, recorded on December 2. The low for the month was 19.3 deg F, recorded on December 14. There were 17 days when the minimum temperature was at or below 32 F, 0 days when the maximum temperature was at or below 32 F, and 0 days when the minimum temperature was below 0. There were 798 heating degree days and 0 cooling degree days.
December was a below-normal month for precipitation with 2.76 inches of liquid precipitation recorded, which was 0.42 inches below normal. The maximum rainfall in a single day was 0.83 inches recorded on December 10. There were 10 days of rain >.01 in, 7 >.10 in and 0 > 1 in.
Overall, the year’s temperatures were above normal. The annual mean of 52.3 F was 2.1 F above normal. The annual precipitation of 37.36 inches was 4.17 inches below normal.
2023 Weather Data
January
January was the coldest month of 2023 but was warmer than normal with a monthly mean of 36.7 F, which was 9.5 F above normal, with a high of 58.0 F and a low for the month of 20.4 F. Precipitation was 0.43 inches above normal with 3.35 inches of liquid precipitation. There were 5.2 inches of snow this month, with a maximum daily total of 3.2 inches on January 26.
February
February was an above-normal month for temperature, with a mean of 37.0 F, which was 7.9 F above normal. The high was 70.9 F and the low was 5.2 F. Precipitation was 0.47 inches below normal at 1.99 inches. There were 1.0 inches of snow for the month, with a maximum daily total of 1.0 inches on February 28.
March
March temperatures were 1.6 F above normal with a mean of 38.6 F. The high was 60.9 F and the low was 18.5 F. Precipitation was 0.57 inches below normal with 2.81 inches of liquid precipitation. There was also 4.5 inches of snow.
April
Temperatures were 3.7 F above normal in April with a mean temperature of 53.0 F. The high was 86.1 F and the low was 27.0 F. Rainfall was 0.56 inches below normal at 2.95 inches. The high wind speed for the month and year was 44 mph.
May
Temperatures were 1.9 F below normal with a mean temperature of 57.9 F. The high was 85.0 F and the low of 29.9 F. Precipitation was 0.59 inches, 3.05 inches below normal. The last day of temperatures below freezing was May 18. Conditions were considerably dry at the end of May:
June
Temperatures for the month were 2.7 F below normal with a mean of 65.4 F. The high for the month, as well as the year, was 91.2 F and the low was 38.4 F. Precipitation was 0.20 inches below normal with 3.89 inches of rainfall. The wildfires in Canada caused significant smoke in our region during June 6-8 and June 28-30.
July
July was the warmest month and temperatures were normal with a mean of 72.2 F The high for the month was 89.9 F and the low was 54.6 F. Rainfall was 2.60 inches above normal with 6.39 inches of precipitation. July was the rainiest month of 2023.
August
August temperatures were 1.0 F below normal with a mean of 69.4. The high was 87.5 F and the low was 51.5 F. Precipitation was 1.42 inches above normal at 5.58 inches.
September
Temperatures were normal with a mean of 63.2 F. The high was 90.0 F and the low was 43.1 F. There were 2.43 inches of rainfall, which was 1.52 inches below normal.
At the end of September, the dry conditions had improved significantly:
October
October was mild with temperatures at 1.7 F above normal with a mean of 53.6 F. The high was 81.5 F and the low was 31.8 F, which was the first freeze on October 31. Rainfall was 2.33 inches, which was 1.13 inches below normal.
November
Temperatures in November were near normal at 0.5 below normal with a mean of 40.7 F. The high was 67.4 F and the low was 17.0 F. Precipitation was 2.29 inches, 0.70 inches below normal. The first snowfall of the season was on November 1.
December
December was 7.1 F above normal, with a mean temperature of 39.3 F. The high for the month was 61.2 F deg. F, recorded on December 2. The low for the month was 19.3 F, recorded on December 14.
December was a below-normal month for precipitation with 2.76 inches of liquid precipitation recorded, which was 0.42 inches below normal. There was a trace of snowfall.