Weather History for Casper, WY

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Tuesday, December 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 22 °F 23 °F  
Max Temperature 31 °F 33 °F 52 °F (1994)
Min Temperature 12 °F 13 °F -18 °F (1983)
Degree Days  
Heating Degree Days 43 42  
Month to date heating degree days 597 737  
Since 1 July heating degree days 2131 2591  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 697 422  
Moisture  
Dew Point -2 °F    
Average Humidity 36    
Maximum Humidity 53    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.02 in 0.19 in (1961)
Month to date precipitation 0.08 0.29  
Year to date precipitation 7.57 12.32  
Snow  
Snow 0.00 in 0.40 in - ()
Month to date snowfall T 6.5  
Since 1 July snowfall 12.7 26.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.76 in    
Wind  
Wind Speed 12 mph (West)    
Max Wind Speed 29 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 18, 2012 Rise Set
Actual Time 7:32 AM MST 4:33 PM MST
Civil Twilight 6:59 AM MST 5:05 PM MST
Nautical Twilight 6:24 AM MST 5:41 PM MST
Astronomical Twilight 5:49 AM MST 6:16 PM MST
Moon 11:05 AM MST (12/18) 11:11 PM MST (12/18)
Length of Visible Light 10h 05m
Length of Day
9h 01m
Waxing Crescent, 35% of the Moon is Illuminated
Dec 18
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 27.0 °F 13.5 °F 3.9 °F 37% 29.60 in 10.0 mi West 19.6 mph 24.2 mph N/A   Clear
1:53 AM 26.1 °F 13.6 °F 3.9 °F 39% 29.62 in 10.0 mi WSW 16.1 mph 25.3 mph N/A   Clear
2:53 AM 23.0 °F 12.4 °F 5.0 °F 46% 29.65 in 10.0 mi WNW 10.4 mph - N/A   Clear
3:53 AM 25.0 °F 12.2 °F 6.1 °F 45% 29.67 in 10.0 mi WNW 16.1 mph 25.3 mph N/A   Clear
4:53 AM 16.0 °F 2.9 °F 1.9 °F 54% 29.74 in 10.0 mi WNW 11.5 mph - N/A   Clear
5:53 AM 15.1 °F 4.2 °F 1.9 °F 56% 29.75 in 10.0 mi West 8.1 mph - N/A   Clear
6:53 AM 23.0 °F 9.2 °F 3.9 °F 44% 29.75 in 10.0 mi WSW 17.3 mph - N/A   Clear
7:53 AM 21.9 °F 7.8 °F 1.9 °F 42% 29.73 in 10.0 mi WSW 17.3 mph - N/A   Clear
8:53 AM 24.1 °F 11.5 °F -0.0 °F 35% 29.75 in 10.0 mi WSW 15.0 mph - N/A   Clear
9:53 AM 28.0 °F 16.1 °F -4.0 °F 25% 29.75 in 10.0 mi West 16.1 mph - N/A   Clear
10:53 AM 30.0 °F 16.0 °F -7.1 °F 20% 29.74 in 10.0 mi West 25.3 mph 34.5 mph N/A   Clear
11:53 AM 30.0 °F 16.3 °F -5.1 °F 22% 29.75 in 10.0 mi West 24.2 mph 31.1 mph N/A   Clear
12:53 PM 30.0 °F 17.9 °F -4.0 °F 23% 29.73 in 10.0 mi NW 18.4 mph 24.2 mph N/A   Partly Cloudy
1:53 PM 30.0 °F 18.3 °F -4.0 °F 23% 29.74 in 10.0 mi WNW 17.3 mph 21.9 mph N/A   Partly Cloudy
2:53 PM 30.0 °F 19.1 °F -7.1 °F 20% 29.75 in 10.0 mi WNW 15.0 mph - N/A   Scattered Clouds
3:53 PM 28.0 °F 20.0 °F -6.0 °F 23% 29.74 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
4:53 PM 24.1 °F 18.2 °F -7.1 °F 25% 29.82 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
5:53 PM 24.1 °F 13.1 °F -8.0 °F 24% 29.82 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
6:53 PM 23.0 °F 13.9 °F -8.0 °F 25% 29.82 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
7:53 PM 21.0 °F 14.6 °F -6.0 °F 30% 29.84 in 10.0 mi WNW 4.6 mph - N/A   Overcast
8:53 PM 17.1 °F 6.6 °F -5.1 °F 37% 29.85 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
9:53 PM 18.0 °F - -2.9 °F 40% 29.86 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 18.0 °F - -2.9 °F 40% 29.85 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 16.0 °F 10.4 °F -0.9 °F 47% 29.87 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy