Weather History for Butte, MT

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Wednesday, November 17, 2010

  Actual Average Record
Temperature  
Mean Temperature 31 °F 27 °F  
Max Temperature 42 °F 39 °F 62 °F (1999)
Min Temperature 19 °F 15 °F -15 °F (1958)
Degree Days  
Heating Degree Days 34 38  
Month to date heating degree days 509 575  
Since 1 July heating degree days 1822 1946  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 27 81  
Moisture  
Dew Point 20 °F    
Average Humidity 66    
Maximum Humidity 84    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in 0.02 in 0.30 in (2001)
Month to date precipitation 0.38 0.34  
Year to date precipitation 14.62 12.00  
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 2 mph (SSE)    
Max Wind Speed 14 mph    
Max Gust Speed 20 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

Nov. 17, 2010 Rise Set
Actual Time 7:33 AM MST 4:56 PM MST
Civil Twilight 7:00 AM MST 5:28 PM MST
Nautical Twilight 6:24 AM MST 6:05 PM MST
Astronomical Twilight 5:48 AM MST 6:40 PM MST
Moon 2:38 PM MST (11/17) 3:25 AM MST (11/17)
Length of Visible Light 10h 28m
Length of Day
9h 23m
Waxing Gibbous, 85% of the Moon is Illuminated
Nov 17
Waxing Gibbous
Nov 21
Full
Nov 28
Last Quarter
Dec 5
New
Dec 13
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 21.0 °F - 15.1 °F 78% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 19.9 °F 14.9 °F 15.1 °F 81% 30.24 in 10.0 mi ESE 3.5 mph - N/A   Overcast
2:53 AM 19.9 °F - 15.1 °F 81% 30.23 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 19.9 °F - 16.0 °F 85% 30.22 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 21.0 °F - 17.1 °F 85% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 21.0 °F - 17.1 °F 85% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 21.0 °F 16.2 °F 17.1 °F 85% 30.20 in 10.0 mi SE 3.5 mph - N/A   Overcast
7:53 AM 21.0 °F - 17.1 °F 85% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 24.1 °F - 19.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 24.1 °F - 19.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 28.0 °F - 21.0 °F 75% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
11:53 AM 33.1 °F 30.0 °F 21.9 °F 64% 30.11 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
12:53 PM 34.0 °F - 21.9 °F 61% 30.07 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:53 PM 35.1 °F - 23.0 °F 61% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 PM 37.0 °F - 23.0 °F 57% 30.03 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 36.0 °F 31.1 °F 21.0 °F 55% 30.03 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
4:53 PM 35.1 °F 29.3 °F 23.0 °F 61% 30.02 in 10.0 mi South 6.9 mph - N/A   Overcast
5:53 PM 33.1 °F - 21.9 °F 64% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 PM 33.8 °F - 21.2 °F 60% 29.89 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 PM 35.1 °F 29.3 °F 21.9 °F 59% 29.98 in 10.0 mi SSE 6.9 mph - N/A   Overcast
8:53 PM 37.0 °F 33.3 °F 19.9 °F 50% 29.95 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
9:53 PM 34.0 °F - 21.0 °F 59% 29.95 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 39.9 °F 33.9 °F 21.0 °F 47% 29.89 in 10.0 mi SSW 9.2 mph 19.6 mph N/A   Clear
11:53 PM 41.0 °F - 19.0 °F 41% 29.83 in 10.0 mi Calm Calm - N/A   Partly Cloudy