Weather History for Butte, MT

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Friday, December 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 24 °F 18 °F  
Max Temperature 31 °F 30 °F 50 °F (1928)
Min Temperature 16 °F 6 °F -31 °F (1978)
Degree Days  
Heating Degree Days 41 47  
Month to date heating degree days 229 322  
Since 1 July heating degree days 2491 2812  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 121 81  
Moisture  
Dew Point 17 °F    
Average Humidity 69    
Maximum Humidity 91    
Minimum Humidity 47    
Precipitation  
Precipitation 0.02 in 0.01 in 0.19 in (2003)
Month to date precipitation 0.16 0.12  
Year to date precipitation 8.92 12.38  
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 25 mph    
Max Gust Speed 36 mph    
Visibility 7 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 07, 2012 Rise Set
Actual Time 7:58 AM MST 4:44 PM MST
Civil Twilight 7:24 AM MST 5:19 PM MST
Nautical Twilight 6:46 AM MST 5:56 PM MST
Astronomical Twilight 6:10 AM MST 6:33 PM MST
Moon 1:03 AM MST (12/7) 1:00 PM MST (12/7)
Length of Visible Light 9h 54m
Length of Day
8h 46m
Last Quarter, 38% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last 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 19.9 °F 14.9 °F 17.1 °F 89% 30.01 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
1:53 AM 26.1 °F 18.4 °F 17.1 °F 69% 29.97 in 10.0 mi SW 6.9 mph - N/A   Overcast
2:53 AM 24.1 °F 18.2 °F 17.1 °F 75% 29.99 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
3:53 AM 25.0 °F - 16.0 °F 69% 29.98 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:53 AM 23.0 °F 18.4 °F 16.0 °F 74% 29.99 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
5:48 AM 24.8 °F 15.3 °F 17.6 °F 74% 29.87 in 1.8 mi WNW 9.2 mph 21.9 mph 0.00 in Snow Light Snow
5:53 AM 24.1 °F 14.4 °F 19.0 °F 81% 29.99 in 1.8 mi NW 9.2 mph 20.7 mph 0.00 in Snow Light Snow
6:08 AM 23.0 °F 13.9 °F 19.4 °F 86% 29.87 in 3.0 mi NW 8.1 mph - 0.00 in Snow Light Snow
6:53 AM 23.0 °F - 19.9 °F 88% 30.01 in 10.0 mi Calm Calm - 0.00 in   Overcast
7:53 AM 19.9 °F - 17.1 °F 89% 30.04 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 18.0 °F 11.1 °F 14.0 °F 84% 30.07 in 2.5 mi South 4.6 mph - N/A   Partly Cloudy
9:01 AM 17.6 °F 12.3 °F 14.0 °F 86% 29.92 in 7.0 mi SE 3.5 mph - N/A   Scattered Clouds
9:53 AM 23.0 °F - 16.0 °F 74% 30.05 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 27.0 °F 20.5 °F 14.0 °F 58% 30.05 in 10.0 mi SW 5.8 mph - N/A   Clear
11:53 AM 28.0 °F 18.1 °F 12.9 °F 53% 30.02 in 10.0 mi SW 11.5 mph 18.4 mph N/A   Partly Cloudy
12:53 PM 28.9 °F 19.8 °F 12.9 °F 51% 29.98 in 10.0 mi SSW 10.4 mph - N/A   Overcast
1:53 PM 30.0 °F 24.1 °F 15.1 °F 54% 29.92 in 10.0 mi WSW 5.8 mph - 0.01 in   Mostly Cloudy
2:53 PM 30.0 °F 26.5 °F 15.1 °F 54% 29.89 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
3:53 PM 30.9 °F 24.3 °F 14.0 °F 50% 29.86 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
4:53 PM 30.9 °F 26.2 °F 12.9 °F 47% 29.85 in 10.0 mi West 4.6 mph - N/A   Overcast
5:53 PM 28.4 °F 21.2 °F 17.6 °F 64% 29.72 in 10.0 mi SSW 6.9 mph 17.3 mph N/A   Mostly Cloudy
6:53 PM 28.4 °F - 15.8 °F 59% 29.70 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 PM 28.9 °F 21.9 °F 15.1 °F 56% 29.77 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
8:53 PM 28.9 °F 22.8 °F 18.0 °F 64% 29.77 in 10.0 mi Variable 5.8 mph - N/A   Overcast
9:53 PM 27.0 °F - 19.9 °F 75% 29.75 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:38 PM 26.6 °F 15.2 °F 19.4 °F 74% 29.62 in 1.8 mi WSW 13.8 mph 25.3 mph 0.00 in Snow Light Snow
10:48 PM 26.6 °F 16.2 °F 21.2 °F 80% 29.61 in 0.5 mi WSW 11.5 mph 20.7 mph 0.00 in Fog , Snow Snow
10:53 PM 26.1 °F 16.2 °F 21.9 °F 84% 29.71 in 0.5 mi SW 10.4 mph 18.4 mph 0.00 in Fog , Snow Snow
11:12 PM 26.6 °F 19.1 °F 21.2 °F 80% 29.61 in 1.2 mi West 6.9 mph - 0.00 in Snow Light Snow
11:25 PM 26.6 °F 20.0 °F 23.0 °F 86% 29.61 in 0.5 mi NW 5.8 mph - 0.01 in Fog , Snow Snow
11:45 PM 24.8 °F 10.3 °F 19.4 °F 80% 29.63 in 0.2 mi WNW 20.7 mph 32.2 mph 0.01 in Fog , Snow Snow
11:53 PM 24.1 °F 9.0 °F 19.9 °F 84% 29.74 in 0.5 mi WNW 21.9 mph 33.4 mph 0.01 in Fog , Snow Snow