July 2021 Weather Summary

July was 0.4 deg F below normal for temperature. The high for the month was 91.8 deg. F recorded on July 7. The low for the month was 49.6 deg F, recorded on July 31. There was a single day at or above 90 deg F! There were 32 heating degree days and 224 cooling degree days.

July was a below normal month for precipitation with 3.08 inches of rainfall recorded, which was 0.38 inches below normal. The maximum rainfall in a single day was 0.69 inches recorded on July 7. There were 12 days of rain >.01 in, 7 >.10 in and 0 >1 in.

High wind speed of 43 mph on July 7.

July 2021 Data

June 2021 Weather Summary

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

June 2021 Data

Here is the latest drought summary for Pennsylvania:

April 2021 Weather Summary

April was 1.2 F above normal for temperature. The high for the month was 82.5 F, recorded on April 27. The low for the month was 21.7 F, recorded on April 2. There were 5 days at or below 32 F. There were 446 heating degree days and 22 cooling degrees day.

April was a below-normal month for precipitation with 2.27 inches of rainfall recorded, which was 1.12 inches below normal. The maximum rainfall in a single day was 0.90 inches recorded on April 11. There were 11 days of rain >.01 in, 4 >.10 in and 0 > 1 in.

It snowed enough to leave a trace on the ground on April 2 and April 22. The last freeze was April 22.

High wind speed of 46 mph on April 30.

April 2021 Data

There is a developing drought in northwestern Pennsylvania. It has also been abnormally dry in western PA. Our region has been below normal for rainfall for the year.

March 2021 Weather Summary

March was 5.3 deg F above normal for temperature. The high for the month was 69.9 deg. F, recorded on March 25. The low for the month was 13.7 deg F, recorded on March 7. There was 1 day where the maximum temperature was at or below 32 F, and there were 20 days where the minimum temperature was at or below 32 F. There were 697 heating degree days and 1 cooling degree day.

March was an below-normal month for precipitation with 2.96 inches of rainfall recorded, which was 0.86 inches below normal. The maximum rainfall in a single day was 0.87 inches recorded on March 18. There were 9 days of rain >.01 in, 6 >.10 in and 0 > 1 in.

High wind speed of 47 mph on March 26.

March 2021 Data

Summary of Winter 2020-2021

Meteorological Winter is officially over. Here is a brief summary of December 1, 2020-February 28, 2021 in Stormstown, PA:  

Number of Days Max T <= 32 F: 24  

Number of Days Min T <= 32 F: 81 

Number of Days Min T <= 0 F: 0  

Max T: 58.1 F – February 24, 2021  

Min T: 2.8 F – February 8, 2021 

Dec Dep from Normal: 0.8 F  

Jan Dep from Normal: 2.6 F  

Feb Dep from Normal: -3.4 F  

Heating Degree Days: 3098  

Cooling Degree Days: 0  

Dec Precip: 3.03″, 0.10″ below normal  

Jan Precip: 1.05″, 2.06″ below normal  

Feb Precip: 2.52″, 0.25″ above normal  

January 2021 Weather Summary

January started with freezing rain on the first. On, January 3, I measured 3″ of snow. There was more freezing rain on January 26. On January 31, 2 inches of snow had fallen with more to come.

January was 2.6 deg F above normal for temperature. The high for the month was 48.4 deg. F, recorded on January 14. The low for the month was 12.6 deg F, recorded on January 21. There were 30 days at or below 32 F and 5 days when the maximum temperature was at or below 32 F. There were 1064 heating degree days and 0 cooling degree days.

January was a below-normal month for precipitation with 1.05 inches of rainfall recorded, which was 2.06 inches below normal. The maximum rainfall in a single day was 0.36 inches recorded on January 15. There were 12 days of rain >.01 in, 3 >.10 in and 0 > 1 in.

High wind speed of 32 mph on January 2.

January 2021 Data

Outlook for February 2021

2020 Stormstown Weather Summary

Overall, the year’s temperatures were above normal. The annual mean of 52.1 F was 2.0 F above normal. Of course the main event of 2020 was the drought. The annual precipitation of 36.46 inches was 4.24 inches below normal. Most of Centre County was in a severe drought in September.

However, at the end of the year, the drought in Centre County was essentially over.

2020 Weather Data

January

Snowfall on January 7, 2020

January was mild with a monthly mean of 33.2 F, which was 5.1 F above normal, with a high of 64 F and a low for the month of 9 F. Precipitation was 1.07 inches below normal with 2.04 inches of liquid precipitation.

February

The mild winter continued into February which was 5.5 F above normal. The high was 62 F and the low was 6 F, which was also the low for the year. Precipitation was 0.60 inches above normal at 2.87 inches.

March

Dusting of snow on Bald Eagle Ridge on March 15, 2020

March temperatures were also mild at 6.0 F above normal with a high of 73 F and a low of 22 F. Precipitation was 1.71 inches above normal with 5.26 inches of liquid precipitation. The high wind speed for the month and year was 47 mph.

April

Dusting of snow on Bald Eagle Ridge on April 18, 2020

Temperatures were 3.1 F below normal in April. The high was 70 F and the low was 24 F. Rainfall was 1.67 inches above normal at 5.06 inches.

May

Spring did finally arrive in mid-May. Bald Eagle Ridge on May 31, 2020

Spring temperatures continued to be cooler than normal in spite of a mild March. May was 2 F below normal with a high of 86 F and a low of 27 F. Precipitation was 1.72 inches which was 1.51 inches below normal. This was perhaps the harbinger of the future drought conditions. The last day of temperatures below freezing was May 13.

June

Temperatures for the month were near normal. The high was 88 F and the low was 41 F. Precipitation was 0.94 inches above normal with 4.80 inches of rainfall.

July

July was the warmest month of the year. The temperatures were 3 F above normal. The high for the month and year was 95 F and the low was 55 F. Rainfall was 2.27 inches below normal with 1.19 inches of precipitation.

July also gave us outstanding views of Comet Neowise.

Comet Neowise from Stormstown, PA

August

Forest fires in the western U.S. provided spectacular sunsets. August 15, 2020

The month’s temperatures were 2 F above normal. The high was 93 F and the low was 47 F. Precipitation was 2.66 inches below normal at 3.42 inches. The drought was getting severe.

September

Hazy sunset due to the western forest fires. September 22, 2020

Temperatures were near normal this month. The high was 86 F and the low was 32 F. Drought conditions continued with 2.61 inches of rainfall. This was 1.37 inches below normal. The first freeze of the season was September 20.

October

Fall foliage, Sormstown, October 9, 2020

October was warmer at 1.0 F above normal. The high was 81 F and the low was 28 F. Rainfall was below normal at 2.96 inches, which was 0.38 inches below normal.

November

Temperatures were mild in November and were 3.7 F above normal. The high was 76 F and the low was 22 F. Precipitation was 3.44 inches, 0.20 inches above normal.

December

December was the coldest month of 2020. The mean temperature was 32.6 F. The temperatures were 0.8 F above normal. The high was 55 F and the low was 11 F. Precipitation was 0.10 inches below normal at 1.88 inches.

December 17, 2020

15.5” of snow was recorded on December 16-17

2020 Insolation

2020 Daily Solar Radiation W/m**2

December 2020 Weather Summary

December was 0.8 deg F above normal for temperature. The high for the month was 55.3 deg. F, recorded on December 11. The low for the month was 12.9 deg F, recorded on December 19. There were 25 days when the minimum temperature was at or below 32 F and 5 days when the maximum temperature was at or below 32 F. There were 1003 heating degree days and 0 cooling degree days.

December was a near-normal month for precipitation with 3.03 inches of rainfall recorded, which was 0.10 inches below normal. The maximum rainfall in a single day was 1.88 inches recorded on December 24. There were 12 days of rain >.01 in, 5 >.10 in and 1 > 1 in.

High wind speed of 36 mph on December 2.

Snowfall on December 16-17: 15.5 inches

December 2020 Data

Outlook for January 2021

The drought in Centre County is essentially over.

Summary of Autumn 2020

Meteorological Autumn is officially over. Here is a brief summary of September 1-November 30 in Stormstown, PA:  

Number of days Max T >= 90 F: 0

Number of Days Max T <= 32 F: 0

Number of Days Min T <= 32 F: 10

Max T: 85.9 F – September 8, 2020

Min T: 22.0 F – November 19, 2020

Sep Dep from Normal: -0.4 F

Oct Dep from Normal: 1.0 F

Nov Dep from Normal: 3.7F

Heating Degree Days: 1176

Cooling Degree Days: 117

Sep Precip: 2.61″, 1.37″ below normal

Oct Precip: 2.96″, 0.38″ below normal

Nov Precip: 3.44″, 0.20″ above normal

The outlook for Winter 2020:

November 2020 Weather Summary

November was 3.7 deg F above normal for temperature. The high for the month was 76.0 deg. F, recorded on November 8. The low for the month was 22.0 deg F, recorded on November 19. There were 8 days at or below 32 F and 0 days when the maximum temperature was at or below 32 F. There were 593 heating degree days and 8 cooling degree days.

November was a above-normal month for precipitation with 3.44 inches of rainfall recorded, which was 0.20 inches above normal. The maximum rainfall in a single day was 1.24 inches recorded on November 11. There were 9 days of rain >.01 in, 8 >.10 in and 1 > 1 in.

High wind speed of 39 mph on November 1.

November 2020 Data

Outlook for December 2020