Weather History for Cheyenne, WY

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 12 °F 28 °F  
Max Temperature 22 °F 39 °F 58 °F (1926)
Min Temperature 2 °F 18 °F -28 °F (1923)
Degree Days  
Heating Degree Days 53 37  
Month to date heating degree days 1161 1157  
Since 1 July heating degree days 2702 2903  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 568 348  
Moisture  
Dew Point 7 °F    
Average Humidity 75    
Maximum Humidity 88    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in 0.01 in 0.29 in (1975)
Month to date precipitation 0.57 0.49  
Year to date precipitation 10.15 15.94  
Snow  
Snow 0.00 in 0.20 in 4.50 in (1975)
Month to date snowfall 14.8 8.4  
Since 1 July snowfall 25.4 22.7  
Snow Depth 2.00 in    
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 4 mph (West)    
Max Wind Speed 13 mph    
Max Gust Speed 14 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:24 AM MST 4:40 PM MST
Civil Twilight 6:53 AM MST 5:11 PM MST
Nautical Twilight 6:18 AM MST 5:46 PM MST
Astronomical Twilight 5:45 AM MST 6:19 PM MST
Moon 8:15 PM MST (12/31) 9:05 AM MST (12/31)
Length of Visible Light 10h 18m
Length of Day
9h 16m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 14.0 °F 6.5 °F 5.0 °F 67% 30.09 in 10.0 mi NNW 4.6 mph - N/A   Overcast
1:53 AM 15.1 °F - 6.1 °F 68% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 16.0 °F - 7.0 °F 68% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 15.1 °F - 7.0 °F 70% 30.08 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 AM 14.0 °F - 7.0 °F 74% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 12.0 °F 5.9 °F 6.1 °F 77% 30.12 in 10.0 mi West 3.5 mph - N/A   Overcast
6:53 AM 10.0 °F 0.4 °F 5.0 °F 80% 30.13 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
7:53 AM 10.0 °F 3.6 °F 5.0 °F 80% 30.16 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
8:53 AM 12.0 °F 2.7 °F 6.1 °F 77% 30.17 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
9:00 AM 12.2 °F 2.9 °F 6.8 °F 79% 29.91 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
9:01 AM 12.2 °F 2.9 °F 6.8 °F 79% 29.91 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
9:53 AM 15.1 °F 4.2 °F 9.0 °F 77% 30.15 in 10.0 mi West 8.1 mph - N/A   Clear
10:53 AM 19.0 °F 13.9 °F 10.0 °F 68% 30.14 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
11:53 AM 19.9 °F 14.9 °F 9.0 °F 62% 30.10 in 10.0 mi East 3.5 mph - N/A   Overcast
12:53 PM 19.9 °F 14.9 °F 10.0 °F 65% 30.09 in 10.0 mi East 3.5 mph - N/A   Overcast
1:53 PM 21.0 °F 16.2 °F 10.9 °F 65% 30.06 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
2:53 PM 21.0 °F 14.6 °F 10.9 °F 65% 30.07 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
3:53 PM 19.9 °F - 10.9 °F 68% 30.09 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 PM 16.0 °F 6.3 °F 9.0 °F 74% 30.13 in 10.0 mi SSW 6.9 mph - N/A   Clear
5:53 PM 17.1 °F 8.7 °F 10.9 °F 77% 30.14 in 10.0 mi WSW 5.8 mph - N/A   Overcast
6:53 PM 14.0 °F 8.2 °F 10.0 °F 84% 30.18 in 9.0 mi WSW 3.5 mph - N/A   Overcast
7:06 PM 10.4 °F 2.2 °F 8.6 °F 92% 29.92 in 9.0 mi SSW 4.6 mph - N/A   Overcast
7:32 PM 8.6 °F -5.5 °F 3.2 °F 79% 29.92 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
7:53 PM 7.0 °F -1.7 °F 3.9 °F 87% 30.21 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:53 PM 10.0 °F -2.9 °F 3.0 °F 73% 30.19 in 10.0 mi WNW 9.2 mph - N/A   Clear
9:53 PM 6.1 °F -7.8 °F -0.0 °F 76% 30.20 in 10.0 mi West 9.2 mph - N/A   Clear
10:53 PM 6.1 °F -6.8 °F -0.0 °F 76% 30.19 in 10.0 mi WNW 8.1 mph - N/A   Clear
11:53 PM 3.9 °F -5.3 °F -2.0 °F 76% 30.21 in 10.0 mi NW 4.6 mph - N/A   Clear