Casper’s Weather Summary For 2011
Here’s a look at Casper’s Weather for 2011. as recorded at the Casper/Natrona County International Airport. This is provided by the National Weather Service in Riverton.
National Weather Service Weather Forecast OfficeHazards
2011 Climate Summary for Casper Natrona County International Airport | |||||||||
Month | Avg High | Avg Low | Average Temp | Departure From Normal | Total Pcpn | Departure From Normal | Snowfall | Avg Snow | Departure |
January | 32.3 | 14.5 | 23.4 | 1.3 | 0.44 | -0.07 | 12.9 | 9.1 | 3.8 |
February | 31.0 | 10.3 | 20.6 | -6.1 | 0.86 | 0.29 | 12.6 | 9.8 | 2.8 |
March | 49.2 | 24.9 | 37.1 | 1.9 | 0.46 | -0.36 | 7.0 | 10.9 | -3.9 |
April | 54.3 | 28.4 | 41.3 | -1.4 | 1.37 | 0.08 | 5.4 | 11.6 | -6.2 |
May | 59.7 | 35.4 | 47.6 | -4.6 | 3.37 | 1.35 | 0.7 | 2.9 | -2.2 |
June | 78.0 | 43.0 | 60.5 | -1.7 | 1.55 | -0.06 | 0 | 0.1 | -0.1 |
July | 90.5 | 55.6 | 73.1 | 2.6 | 1.52 | 0.11 | 0 | 0 | 0.0 |
August | 90.2 | 53.2 | 71.7 | 2.7 | 0.23 | -0.62 | 0 | 0 | 0.0 |
September | 78.1 | 41.8 | 59.9 | 2.0 | 0.10 | -0.98 | 0 | 1.8 | -1.8 |
October | 62.2 | 34.9 | 48.5 | 3.3 | 1.44 | 0.33 | 1.0 | 7.4 | -6.4 |
November | 44.0 | 21.2 | 32.6 | -0.6 | 1.24 | 0.48 | 14.3 | 10.3 | -4.0 |
December | 33.1 | 14.9 | 24.0 | 0.2 | 0.71 | 0.10 |
11.4 | 11.0 | 0.4 |
2011 Annual | 58.5 | 31.5 | 45.0 | -0.4 | 13.29 | 0.65 | 65.3 | 74.9 | -9.6 |
1981-2010 Averages
Yearly Extremes:
Highest Temperature: 98 degrees on July 3rd and 25th.
Wind:
Highest Wind Gust: 62 mph on March 19th.
Temperatures (degrees F):
Max
April: 75 on the 2nd.
July: 98 on the 3rd (tie) and 25th.
August: 96 on the 27th (tie).
September: 88 on the 25th.
Min:
April: 15 on the 23rd.
November: -14 on the 19th, -14 on the 20th (tie).
Average:
Monthly: 7th coldest February.
4th coldest May.
Annual: None.
Precipitation:
One day Precipitation:
January: 0.05 on the 30th.
February: 0.42 on the 20th.
May: 0.60 on the 9th.
November: 0.50 on the 1st.
December: 0.38 on the 31st.
One day Snowfall (inches):
January: 7.5 on the 9th.
February: 6.0 on the 20th.
November: 4.6 on the 1st, 6.7 on the 18th.
December: 3.8 on the 21st.
Monthly Precipitation:
2rd driest September (tie).