Weather History for Casper, WY

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Thursday, December 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 25 °F 23 °F  
Max Temperature 35 °F 34 °F 56 °F (1941)
Min Temperature 14 °F 13 °F -36 °F (1990)
Degree Days  
Heating Degree Days 40 42  
Month to date heating degree days 686 821  
Since 1 July heating degree days 2220 2675  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 697 422  
Moisture  
Dew Point -5 °F    
Average Humidity 35    
Maximum Humidity 51    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.02 in 0.15 in (1968)
Month to date precipitation 0.08 0.32  
Year to date precipitation 7.57 12.35  
Snow  
Snow 0.00 in 0.40 in - ()
Month to date snowfall T 7.2  
Since 1 July snowfall 12.7 26.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 27 mph (SW)    
Max Wind Speed 39 mph    
Max Gust Speed 52 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 20, 2012 Rise Set
Actual Time 7:33 AM MST 4:34 PM MST
Civil Twilight 7:00 AM MST 5:06 PM MST
Nautical Twilight 6:25 AM MST 5:42 PM MST
Astronomical Twilight 5:50 AM MST 6:17 PM MST
Moon 12:00 PM MST 12:15 AM MST
Length of Visible Light 10h 05m
Length of Day
9h 00m
First Quarter, 56% of the Moon is Illuminated
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 15.1 °F -2.0 °F -9.0 °F 34% 30.24 in 10.0 mi SSW 19.6 mph 27.6 mph N/A   Clear
1:53 AM 15.1 °F -4.0 °F -6.0 °F 39% 30.24 in 10.0 mi SSW 25.3 mph 35.7 mph N/A   Clear
2:53 AM 14.0 °F -5.1 °F -5.1 °F 43% 30.27 in 10.0 mi SW 24.2 mph 31.1 mph N/A   Clear
3:53 AM 14.0 °F -5.5 °F -2.9 °F 47% 30.29 in 10.0 mi SSW 25.3 mph 36.8 mph N/A   Clear
4:53 AM 16.0 °F -4.4 °F -2.9 °F 43% 30.30 in 10.0 mi SW 31.1 mph 42.6 mph N/A   Clear
5:53 AM 16.0 °F -3.8 °F -4.0 °F 41% 30.33 in 10.0 mi SSW 28.8 mph 40.3 mph N/A   Clear
6:53 AM 16.0 °F -3.8 °F -5.1 °F 39% 30.36 in 10.0 mi SSW 28.8 mph 40.3 mph N/A   Clear
7:53 AM 17.1 °F -3.0 °F -4.0 °F 39% 30.36 in 10.0 mi SW 31.1 mph 41.4 mph N/A   Clear
8:53 AM 19.9 °F 0.7 °F -4.0 °F 35% 30.35 in 10.0 mi SW 32.2 mph 43.7 mph N/A   Clear
9:53 AM 23.0 °F 4.4 °F -4.0 °F 31% 30.36 in 10.0 mi SW 34.5 mph 47.2 mph N/A   Clear
10:53 AM 28.0 °F 12.5 °F -5.1 °F 24% 30.33 in 10.0 mi SW 28.8 mph 40.3 mph N/A   Clear
11:53 AM 30.9 °F 15.3 °F -4.0 °F 22% 30.27 in 10.0 mi SW 34.5 mph 42.6 mph N/A   Clear
12:53 PM 34.0 °F 19.5 °F -5.1 °F 19% 30.23 in 10.0 mi WSW 34.5 mph 46.0 mph N/A   Clear
1:53 PM 34.0 °F 20.1 °F -5.1 °F 19% 30.23 in 10.0 mi SW 31.1 mph 40.3 mph N/A   Clear
2:53 PM 33.1 °F 19.6 °F -4.0 °F 20% 30.24 in 10.0 mi SSW 27.6 mph 40.3 mph N/A   Clear
3:53 PM 30.9 °F 16.7 °F -4.0 °F 22% 30.26 in 10.0 mi SW 27.6 mph 40.3 mph N/A   Clear
4:53 PM 28.0 °F 16.1 °F -2.9 °F 26% 30.30 in 10.0 mi SSW 16.1 mph 27.6 mph N/A   Clear
5:53 PM 27.0 °F 11.9 °F -4.0 °F 26% 30.28 in 10.0 mi SW 25.3 mph 35.7 mph N/A   Clear
6:53 PM 27.0 °F 12.5 °F -4.0 °F 26% 30.30 in 10.0 mi SW 23.0 mph 32.2 mph N/A   Clear
7:53 PM 25.0 °F 10.6 °F -5.1 °F 27% 30.31 in 10.0 mi SW 20.7 mph - N/A   Clear
8:53 PM 26.1 °F 11.0 °F -6.0 °F 25% 30.27 in 10.0 mi SW 24.2 mph 34.5 mph N/A   Clear
9:53 PM 28.0 °F 12.0 °F -6.0 °F 23% 30.24 in 10.0 mi SW 31.1 mph 40.3 mph N/A   Clear
10:53 PM 27.0 °F 12.8 °F -6.0 °F 24% 30.25 in 10.0 mi SW 21.9 mph 34.5 mph N/A   Clear
11:53 PM 27.0 °F 11.3 °F -4.0 °F 26% 30.22 in 10.0 mi SW 27.6 mph 38.0 mph N/A   Clear