Weather History for Butte, MT

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Friday, December 28, 2012

  Actual Average Record
Temperature  
Mean Temperature 15 °F 17 °F  
Max Temperature 28 °F 30 °F 56 °F (1917)
Min Temperature 2 °F 5 °F -35 °F (1983)
Degree Days  
Heating Degree Days 50 48  
Month to date heating degree days 1235 1329  
Since 1 July heating degree days 3497 3819  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 121 81  
Moisture  
Dew Point 11 °F    
Average Humidity 71    
Maximum Humidity 92    
Minimum Humidity 50    
Precipitation  
Precipitation T in 0.02 in 0.33 in (2008)
Month to date precipitation 0.30 0.46  
Year to date precipitation 9.06 12.72  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 4 mph (WNW)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 28, 2012 Rise Set
Actual Time 8:11 AM MST 4:52 PM MST
Civil Twilight 7:36 AM MST 5:27 PM MST
Nautical Twilight 6:59 AM MST 6:04 PM MST
Astronomical Twilight 6:22 AM MST 6:41 PM MST
Moon 5:36 PM MST (12/28) 8:05 AM MST (12/28)
Length of Visible Light 9h 50m
Length of Day
8h 41m
Full, 100% of the Moon is Illuminated
Dec 28
Full
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 19.0 °F - 14.0 °F 81% 30.06 in 7.0 mi Calm Calm - N/A   Overcast
1:53 AM 19.9 °F - 14.0 °F 78% 30.06 in 6.0 mi Calm Calm - 0.00 in Snow Light Snow
2:27 AM 21.2 °F 16.4 °F 15.8 °F 80% 29.92 in 2.5 mi NW 3.5 mph - 0.00 in Snow Light Snow
2:34 AM 21.2 °F - 15.8 °F 80% 29.92 in 7.0 mi Calm Calm - 0.00 in   Overcast
2:53 AM 24.1 °F - 14.0 °F 65% 30.05 in 9.0 mi Calm Calm - 0.00 in Snow Light Snow
3:53 AM 23.0 °F - 14.0 °F 68% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 21.9 °F 14.5 °F 16.0 °F 78% 30.09 in 3.0 mi West 5.8 mph - 0.00 in Snow Light Snow
4:56 AM 21.2 °F - 15.8 °F 80% 29.94 in 1.8 mi Calm Calm - 0.00 in Snow Light Snow
5:20 AM 21.2 °F - 17.6 °F 86% 29.94 in 3.0 mi Calm Calm - N/A Snow Light Snow
5:53 AM 19.9 °F 12.1 °F 17.1 °F 89% 30.09 in 7.0 mi NE 5.8 mph - 0.00 in   Mostly Cloudy
6:53 AM 18.0 °F 12.7 °F 15.1 °F 88% 30.12 in 10.0 mi NW 3.5 mph - N/A   Overcast
7:53 AM 19.9 °F 14.9 °F 16.0 °F 85% 30.14 in 10.0 mi NNE 3.5 mph - 0.00 in   Overcast
8:53 AM 23.0 °F 17.0 °F 12.9 °F 65% 30.13 in 10.0 mi Variable 4.6 mph - N/A   Overcast
9:53 AM 24.1 °F 19.7 °F 12.0 °F 60% 30.15 in 10.0 mi West 3.5 mph - N/A   Overcast
10:53 AM 24.8 °F 19.1 °F 12.2 °F 59% 30.01 in 10.0 mi NW 4.6 mph - N/A   Overcast
11:53 AM 27.0 °F 16.1 °F 10.9 °F 51% 30.15 in 10.0 mi NW 12.7 mph - N/A   Overcast
12:53 PM 26.1 °F 17.6 °F 10.9 °F 53% 30.14 in 10.0 mi WNW 8.1 mph - N/A   Overcast
1:53 PM 27.0 °F 18.0 °F 10.9 °F 51% 30.13 in 10.0 mi NW 9.2 mph - N/A   Overcast
2:53 PM 26.1 °F 17.6 °F 10.9 °F 53% 30.13 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
3:53 PM 23.0 °F 18.4 °F 10.9 °F 60% 30.16 in 10.0 mi WSW 3.5 mph - N/A   Clear
4:53 PM 23.0 °F - 10.9 °F 60% 30.17 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:53 PM 19.0 °F 13.9 °F 10.0 °F 68% 30.20 in 8.0 mi WNW 3.5 mph - N/A   Clear
6:53 PM 8.1 °F -0.5 °F 3.0 °F 80% 30.27 in 10.0 mi SE 4.6 mph - N/A   Clear
7:53 PM 8.1 °F - 3.0 °F 80% 30.26 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 7.0 °F - 3.0 °F 84% 30.26 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 3.0 °F -6.4 °F -0.9 °F 84% 30.27 in 10.0 mi SSE 4.6 mph - N/A   Clear
10:53 PM 3.9 °F -3.4 °F -0.0 °F 84% 30.28 in 10.0 mi SE 3.5 mph - N/A   Clear
11:53 PM 3.9 °F - -0.0 °F 84% 30.28 in 10.0 mi Calm Calm - N/A   Clear