Weather History for Butte, MT

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Tuesday, December 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 11 °F 17 °F  
Max Temperature 20 °F 29 °F 49 °F (1925)
Min Temperature 2 °F 5 °F -30 °F (1944)
Degree Days  
Heating Degree Days 54 48  
Month to date heating degree days 1095 1185  
Since 1 July heating degree days 3357 3675  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 121 81  
Moisture  
Dew Point 6 °F    
Average Humidity 82    
Maximum Humidity 96    
Minimum Humidity 67    
Precipitation  
Precipitation T in 0.02 in 0.24 in (1971)
Month to date precipitation 0.30 0.41  
Year to date precipitation 9.06 12.67  
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 1 mph (SSE)    
Max Wind Speed 6 mph    
Max Gust Speed 8 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Dec. 25, 2012 Rise Set
Actual Time 8:10 AM MST 4:50 PM MST
Civil Twilight 7:36 AM MST 5:24 PM MST
Nautical Twilight 6:58 AM MST 6:02 PM MST
Astronomical Twilight 6:21 AM MST 6:39 PM MST
Moon 3:03 PM MST (12/25) 5:43 AM MST (12/25)
Length of Visible Light 9h 48m
Length of Day
8h 39m
Waxing Gibbous, 94% of the Moon is Illuminated
Dec 25
Waxing Gibbous
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 9.0 °F - 3.9 °F 80% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 9.0 °F - 3.9 °F 80% 30.27 in 9.0 mi Calm Calm - N/A   Overcast
2:11 AM 8.6 °F - 3.2 °F 79% 30.05 in 7.0 mi Calm Calm - N/A   Overcast
2:39 AM 10.4 °F - 5.0 °F 79% 30.06 in 5.0 mi Calm Calm - 0.00 in Snow Light Snow
2:53 AM 10.0 °F - 5.0 °F 80% 30.28 in 7.0 mi Calm Calm - 0.00 in   Overcast
3:53 AM 9.0 °F - 5.0 °F 84% 30.30 in 8.0 mi Calm Calm - N/A   Overcast
4:07 AM 8.6 °F - 5.0 °F 85% 30.07 in 9.0 mi Calm Calm - N/A   Overcast
4:53 AM 8.1 °F - 3.9 °F 83% 30.30 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 8.1 °F 1.4 °F 3.9 °F 83% 30.30 in 10.0 mi SSE 3.5 mph - N/A   Overcast
6:53 AM 9.0 °F - 5.0 °F 84% 30.30 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 8.1 °F - 5.0 °F 87% 30.30 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 5.0 °F -4.1 °F 3.0 °F 92% 30.31 in 7.0 mi South 4.6 mph - N/A   Mostly Cloudy
9:53 AM 5.0 °F -2.1 °F 1.9 °F 87% 30.32 in 9.0 mi ESE 3.5 mph - N/A   Clear
10:53 AM 10.0 °F - 6.1 °F 84% 30.28 in 9.0 mi Calm Calm - N/A   Clear
11:53 AM 10.9 °F - 6.1 °F 81% 30.24 in 6.0 mi Calm Calm - N/A   Haze
12:53 PM 12.0 °F 5.9 °F 7.0 °F 80% 30.18 in 8.0 mi South 3.5 mph - N/A   Clear
1:53 PM 19.0 °F - 10.0 °F 68% 30.12 in 7.0 mi Calm Calm - N/A   Clear
2:53 PM 17.1 °F - 10.0 °F 74% 30.09 in 7.0 mi Calm Calm - N/A   Clear
3:53 PM 15.1 °F 7.7 °F 8.1 °F 74% 30.09 in 7.0 mi East 4.6 mph - N/A   Mostly Cloudy
4:53 PM 12.0 °F 5.9 °F 6.1 °F 77% 30.10 in 8.0 mi South 3.5 mph - N/A   Clear
5:53 PM 12.0 °F - 5.0 °F 73% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 PM 15.1 °F - 8.1 °F 74% 30.06 in 9.0 mi Calm Calm - N/A   Overcast
7:53 PM 15.1 °F - 9.0 °F 77% 30.05 in 7.0 mi Calm Calm - N/A   Overcast
8:53 PM 16.0 °F - 10.0 °F 77% 30.04 in 8.0 mi Calm Calm - N/A   Overcast
9:53 PM 18.0 °F 12.7 °F 10.0 °F 71% 30.02 in 10.0 mi SSW 3.5 mph - N/A   Overcast
10:53 PM 17.1 °F - 10.9 °F 77% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 18.0 °F - 10.9 °F 74% 29.96 in 9.0 mi Calm Calm - N/A   Overcast