Weather History for Butte, MT

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Tuesday, November 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 44 °F 25 °F  
Max Temperature 46 °F 37 °F 60 °F (1989)
Min Temperature 42 °F 13 °F -32 °F (1977)
Degree Days  
Heating Degree Days 21 40  
Month to date heating degree days 704 693  
Since 1 July heating degree days 1890 2064  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 121 81  
Moisture  
Dew Point 32 °F    
Average Humidity 64    
Maximum Humidity 70    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in 0.02 in 1.20 in (1921)
Month to date precipitation 0.70 0.41  
Year to date precipitation 8.49 12.07  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 12 mph (South)    
Max Wind Speed 24 mph    
Max Gust Speed 32 mph    
Visibility 9 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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Date:

Astronomy

Nov. 20, 2012 Rise Set
Actual Time 7:37 AM MST 4:53 PM MST
Civil Twilight 7:05 AM MST 5:26 PM MST
Nautical Twilight 6:28 AM MST 6:02 PM MST
Astronomical Twilight 5:52 AM MST 6:38 PM MST
Moon 1:02 PM MST (11/20) No Moon Set
Length of Visible Light 10h 21m
Length of Day
9h 15m
First Quarter, 52% of the Moon is Illuminated
Nov 20
First Quarter
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New
Dec 19
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 42.1 °F 32.3 °F 30.0 °F 62% 29.97 in 10.0 mi South 24.2 mph - N/A   Clear
1:53 AM 41.0 °F 33.9 °F 30.9 °F 67% 29.98 in 10.0 mi SSE 12.7 mph - N/A   Mostly Cloudy
2:53 AM 41.0 °F 35.8 °F 32.0 °F 70% 29.97 in 10.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
3:53 AM 41.0 °F 34.7 °F 30.9 °F 67% 29.97 in 10.0 mi SSE 10.4 mph - N/A   Partly Cloudy
4:53 AM 42.8 °F 37.0 °F 30.2 °F 61% 29.97 in 10.0 mi South 10.4 mph 16.1 mph N/A   Clear
5:53 AM 39.9 °F 33.9 °F 30.9 °F 70% 29.98 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
6:53 AM 39.9 °F 32.5 °F 30.9 °F 70% 29.97 in 10.0 mi South 12.7 mph - N/A   Partly Cloudy
7:53 AM 42.1 °F 36.1 °F 30.9 °F 65% 29.96 in 10.0 mi SSW 10.4 mph - N/A   Clear
8:53 AM 42.1 °F 34.9 °F 30.9 °F 65% 29.96 in 10.0 mi SSW 13.8 mph 24.2 mph N/A   Clear
10:53 AM 44.1 °F 37.4 °F 30.9 °F 60% 29.95 in 10.0 mi South 13.8 mph - N/A   Clear
11:53 AM 44.6 °F 38.8 °F 32.0 °F 61% 29.94 in 10.0 mi South 11.5 mph - N/A   Unknown
12:00 PM 44.6 °F 38.8 °F 32.0 °F 61% 29.94 in 1.0 mi South 11.5 mph - N/A   Haze
12:07 PM 44.6 °F 38.1 °F 32.0 °F 61% 29.94 in 0.5 mi South 13.8 mph - N/A   Haze
12:23 PM 44.6 °F 40.7 °F 32.0 °F 61% 29.93 in 2.5 mi SSW 6.9 mph - N/A   Haze
12:30 PM 44.6 °F 40.2 °F 32.0 °F 61% 29.93 in 10.0 mi South 8.1 mph - N/A   Clear
12:53 PM 45.0 °F 38.5 °F 32.0 °F 60% 29.89 in 10.0 mi South 13.8 mph 21.9 mph N/A   Partly Cloudy
2:53 PM 46.0 °F 38.3 °F 34.0 °F 63% 29.88 in 10.0 mi South 20.7 mph 27.6 mph N/A   Unknown
3:53 PM 46.0 °F 41.4 °F 33.1 °F 61% 29.89 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
4:53 PM 46.0 °F 39.9 °F 33.1 °F 61% 29.89 in 10.0 mi South 13.8 mph - N/A   Overcast
5:53 PM 45.0 °F 40.6 °F 33.1 °F 63% 29.89 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
6:53 PM 44.1 °F 39.0 °F 33.1 °F 65% 29.90 in 10.0 mi South 9.2 mph - N/A   Overcast
7:53 PM 44.1 °F 38.1 °F 33.1 °F 65% 29.87 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
8:53 PM 44.1 °F 38.1 °F 32.0 °F 63% 29.87 in 10.0 mi South 11.5 mph - N/A   Partly Cloudy
9:53 PM 44.1 °F 38.6 °F 32.0 °F 63% 29.87 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
10:53 PM 43.0 °F 41.3 °F 32.0 °F 65% 29.85 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:53 PM 44.1 °F 40.1 °F 30.9 °F 60% 29.83 in 10.0 mi SSE 6.9 mph - N/A   Overcast