Weather History for Butte, MT

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 24 °F 17 °F  
Max Temperature 32 °F 29 °F 60 °F (1924)
Min Temperature 15 °F 5 °F -28 °F (1919)
Degree Days  
Heating Degree Days 41 48  
Month to date heating degree days 455 561  
Since 1 July heating degree days 2717 3051  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 121 81  
Moisture  
Dew Point 24 °F    
Average Humidity 78    
Maximum Humidity 92    
Minimum Humidity 63    
Precipitation  
Precipitation 0.05 in 0.01 in 0.40 in (1906)
Month to date precipitation 0.24 0.20  
Year to date precipitation 9.00 12.46  
Sea Level Pressure  
Sea Level Pressure 29.65 in    
Wind  
Wind Speed 2 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 14 mph    
Visibility 5 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 8:03 AM MST 4:44 PM MST
Civil Twilight 7:28 AM MST 5:19 PM MST
Nautical Twilight 6:50 AM MST 5:57 PM MST
Astronomical Twilight 6:14 AM MST 6:33 PM MST
Moon 7:10 AM MST (12/12) 4:26 PM MST (12/12)
Length of Visible Light 9h 50m
Length of Day
8h 41m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
Waning Crescent
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 28.0 °F - 21.0 °F 75% 29.57 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 30.0 °F 26.5 °F 21.9 °F 72% 29.55 in 10.0 mi South 3.5 mph - N/A   Overcast
2:53 AM 28.9 °F - 21.0 °F 72% 29.56 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 28.9 °F - 21.0 °F 72% 29.55 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 28.9 °F 25.2 °F 21.0 °F 72% 29.55 in 10.0 mi WNW 3.5 mph - N/A   Overcast
5:53 AM 28.9 °F - 21.0 °F 72% 29.54 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 27.0 °F 23.0 °F 21.0 °F 78% 29.57 in 10.0 mi South 3.5 mph - N/A   Overcast
7:53 AM 27.0 °F - 21.0 °F 78% 29.57 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 28.0 °F - 21.0 °F 75% 29.60 in 10.0 mi Calm Calm - N/A   Overcast
9:37 AM 30.2 °F 25.4 °F 24.8 °F 80% 29.54 in 2.5 mi WNW 4.6 mph - 0.00 in Snow Light Snow
9:42 AM 28.4 °F 23.3 °F 24.8 °F 86% 29.54 in 0.8 mi NW 4.6 mph - 0.00 in Snow Light Snow
9:53 AM 28.9 °F 21.1 °F 25.0 °F 85% 29.63 in 0.2 mi WNW 8.1 mph - 0.01 in Fog , Snow Snow
10:02 AM 28.4 °F 22.2 °F 26.6 °F 93% 29.55 in 0.2 mi WNW 5.8 mph - 0.00 in Fog , Snow Snow
10:18 AM 28.4 °F 24.6 °F 26.6 °F 93% 29.56 in 0.8 mi North 3.5 mph - 0.01 in Snow Light Snow
10:33 AM 28.4 °F - 26.6 °F 93% 29.57 in 0.5 mi Calm Calm - 0.01 in Fog , Snow Snow
10:41 AM 28.4 °F - 26.6 °F 93% 29.57 in 0.5 mi Calm Calm - 0.01 in Fog , Snow Snow
10:53 AM 28.9 °F - 27.0 °F 92% 29.66 in 1.2 mi Calm Calm - 0.02 in Snow Light Snow
11:07 AM 28.4 °F 22.2 °F 26.6 °F 93% 29.59 in 0.5 mi WNW 5.8 mph - 0.00 in Fog , Snow Snow
11:23 AM 28.4 °F 23.3 °F 26.6 °F 93% 29.59 in 0.5 mi WNW 4.6 mph - 0.01 in Fog , Snow Snow
11:38 AM 28.4 °F 24.6 °F 26.6 °F 93% 29.59 in 0.5 mi WNW 3.5 mph - 0.01 in Fog , Snow Light Snow
11:53 AM 30.0 °F 24.1 °F 27.0 °F 88% 29.67 in 0.8 mi NW 5.8 mph - 0.02 in Snow Light Snow
12:11 PM 30.2 °F 26.7 °F 28.4 °F 93% 29.60 in 0.8 mi North 3.5 mph - 0.00 in Snow Light Snow
12:20 PM 30.2 °F 25.4 °F 26.6 °F 86% 29.60 in 1.2 mi NNW 4.6 mph - 0.00 in Snow Light Snow
12:27 PM 30.2 °F 24.3 °F 26.6 °F 86% 29.61 in 3.0 mi NW 5.8 mph - 0.00 in Snow Light Snow
12:41 PM 30.2 °F 21.9 °F 26.6 °F 86% 29.61 in 2.0 mi WNW 9.2 mph - 0.00 in Snow Light Snow
12:44 PM 30.2 °F 21.3 °F 26.6 °F 86% 29.62 in 1.8 mi WNW 10.4 mph - N/A Snow Light Snow
12:53 PM 30.0 °F 21.1 °F 27.0 °F 88% 29.70 in 1.5 mi WNW 10.4 mph - 0.00 in Snow Light Snow
1:10 PM 30.2 °F 21.9 °F 26.6 °F 86% 29.62 in 1.0 mi WNW 9.2 mph - 0.00 in Snow Light Snow
1:22 PM 30.2 °F 21.9 °F 26.6 °F 86% 29.62 in 0.5 mi NNW 9.2 mph - 0.00 in Fog , Snow Light Snow
1:30 PM 30.2 °F 22.6 °F 26.6 °F 86% 29.62 in 2.0 mi NNW 8.1 mph - 0.00 in Snow Light Snow
1:33 PM 30.2 °F 23.4 °F 26.6 °F 86% 29.62 in 4.0 mi NNW 6.9 mph - 0.00 in   Overcast
1:53 PM 30.9 °F 26.2 °F 26.1 °F 82% 29.70 in 10.0 mi West 4.6 mph - 0.00 in   Scattered Clouds
2:53 PM 30.9 °F - 24.1 °F 76% 29.73 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 PM 30.0 °F - 25.0 °F 82% 29.76 in 10.0 mi Calm Calm - N/A   Overcast
4:53 PM 27.0 °F - 23.0 °F 85% 29.80 in 10.0 mi Calm Calm - N/A   Overcast
5:53 PM 25.0 °F - 21.0 °F 85% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
6:53 PM 23.0 °F 18.4 °F 19.9 °F 88% 29.86 in 10.0 mi East 3.5 mph - N/A   Overcast
7:53 PM 21.9 °F - 19.9 °F 92% 29.86 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 21.0 °F 16.2 °F 19.0 °F 92% 29.88 in 9.0 mi South 3.5 mph - N/A   Overcast
9:53 PM 23.0 °F - 19.9 °F 88% 29.89 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 21.9 °F - 19.0 °F 89% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM 16.0 °F 8.8 °F 14.0 °F 92% 29.94 in 10.0 mi ESE 4.6 mph - N/A   Scattered Clouds