Weather History for Butte, MT

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Tuesday, December 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 33 °F 19 °F  
Max Temperature 42 °F 31 °F 56 °F (1965)
Min Temperature 23 °F 7 °F -37 °F (1972)
Degree Days  
Heating Degree Days 32 46  
Month to date heating degree days 120 182  
Since 1 July heating degree days 2382 2672  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 121 81  
Moisture  
Dew Point 25 °F    
Average Humidity 68    
Maximum Humidity 82    
Minimum Humidity 54    
Precipitation  
Precipitation 0.00 in 0.02 in 0.26 in (1950)
Month to date precipitation 0.14 0.07  
Year to date precipitation 8.90 12.33  
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 17 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
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. 04, 2012 Rise Set
Actual Time 7:55 AM MST 4:45 PM MST
Civil Twilight 7:21 AM MST 5:19 PM MST
Nautical Twilight 6:43 AM MST 5:57 PM MST
Astronomical Twilight 6:07 AM MST 6:33 PM MST
Moon 10:49 PM MST (12/4) 11:40 AM MST (12/4)
Length of Visible Light 9h 58m
Length of Day
8h 50m
Waning Gibbous, 69% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
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 24.1 °F - 18.0 °F 77% 30.23 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 27.0 °F 23.0 °F 18.0 °F 69% 30.17 in 10.0 mi NNE 3.5 mph - N/A   Clear
2:53 AM 28.0 °F - 19.0 °F 69% 30.15 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 28.0 °F 24.2 °F 19.0 °F 69% 30.12 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
4:53 AM 28.0 °F - 19.0 °F 69% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM 33.1 °F 24.9 °F 19.9 °F 59% 30.08 in 10.0 mi South 10.4 mph 18.4 mph N/A   Overcast
6:53 AM 33.1 °F 23.0 °F 21.0 °F 61% 30.09 in 10.0 mi South 15.0 mph 20.7 mph N/A   Overcast
7:53 AM 34.0 °F 25.0 °F 23.0 °F 64% 30.05 in 10.0 mi SSW 12.7 mph 16.1 mph N/A   Overcast
8:53 AM 33.1 °F 26.1 °F 24.1 °F 70% 30.09 in 10.0 mi North 8.1 mph - N/A   Overcast
9:53 AM 36.0 °F 33.3 °F 24.1 °F 62% 30.09 in 10.0 mi Variable 3.5 mph - N/A   Overcast
10:53 AM 36.0 °F 29.6 °F 24.1 °F 62% 30.12 in 10.0 mi NE 8.1 mph - N/A   Overcast
11:53 AM 37.9 °F - 24.1 °F 57% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
12:53 PM 39.0 °F - 25.0 °F 57% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 39.9 °F 32.5 °F 27.0 °F 60% 30.04 in 10.0 mi South 12.7 mph - N/A   Overcast
2:53 PM 39.9 °F 36.7 °F 28.0 °F 63% 30.04 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
3:53 PM 41.0 °F 35.8 °F 28.0 °F 60% 30.04 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
4:53 PM 41.0 °F - 28.9 °F 62% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:53 PM 37.9 °F 34.4 °F 30.9 °F 76% 30.02 in 10.0 mi South 4.6 mph - N/A   Clear
6:53 PM 37.9 °F 35.5 °F 30.9 °F 76% 30.02 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
7:53 PM 39.0 °F 32.8 °F 30.9 °F 73% 30.01 in 10.0 mi SSE 9.2 mph - N/A   Overcast
8:53 PM 39.0 °F 33.4 °F 30.9 °F 73% 30.01 in 10.0 mi SE 8.1 mph - N/A   Overcast
9:53 PM 36.0 °F 33.3 °F 30.9 °F 82% 30.00 in 10.0 mi NNW 3.5 mph - N/A   Overcast
10:53 PM 36.0 °F - 30.9 °F 82% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 36.0 °F - 30.9 °F 82% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy