History for Butte, MT

Thursday, February 21, 2013 — View Current Conditions
Thursday, February 21, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 14 °F 23 °F  
Max Temperature 29 °F 36 °F 58 °F (1907)
Min Temperature -1 °F 10 °F -18 °F (1993)
Degree Days
Heating Degree Days 51 42  
Month to date heating degree days 893 917  
Since 1 July heating degree days 6066 6288  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 6 °F    
Average Humidity 65    
Maximum Humidity 91    
Minimum Humidity 39    
Precipitation
Precipitation 0.00 in 0.02 in 0.50 in (1922)
Month to date precipitation 0.10 0.31  
Year to date precipitation 0.37 0.78  
Sea Level Pressure
Sea Level Pressure 30.05 in    
Wind
Wind Speed 4 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 19, 2013 Rise Set
Actual Time 7:22 AM MST 6:05 PM MST
Civil Twilight 6:51 AM MST 6:35 PM MST
Nautical Twilight 6:17 AM MST 7:10 PM MST
Astronomical Twilight 5:42 AM MST 7:45 PM MST
Moon 2:15 PM MST (2/21) 4:38 AM MST (2/21)
Length Of Visible Light 11h 44m
Length of Day
10h 43m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
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Hourly Observations
Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 18.0 °F 12.7 °F 10.0 °F 71% 29.97 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
1:53 AM 10.9 °F 2.9 °F 6.1 °F 81% 30.00 in 10.0 mi SE 4.6 mph - N/A   Clear
2:53 AM 8.1 °F - 3.9 °F 83% 30.01 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:53 AM 3.0 °F -4.4 °F -0.0 °F 87% 30.05 in 10.0 mi South 3.5 mph - N/A   Clear
4:53 AM 3.0 °F - -0.9 °F 84% 30.07 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 3.0 °F -4.4 °F -0.0 °F 87% 30.08 in 10.0 mi SSE 3.5 mph - N/A   Clear
6:53 AM 1.0 °F -8.7 °F -2.9 °F 83% 30.09 in 10.0 mi South 4.6 mph - N/A   Clear
7:53 AM -0.0 °F -7.9 °F -4.0 °F 83% 30.13 in 10.0 mi South 3.5 mph - N/A   Clear
8:53 AM 3.9 °F - 1.0 °F 88% 30.13 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 8.1 °F - 3.9 °F 83% 30.12 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 15.1 °F - 9.0 °F 77% 30.09 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 24.1 °F 19.7 °F 8.1 °F 51% 30.05 in 10.0 mi North 3.5 mph - N/A   Clear
12:53 PM 25.0 °F 16.3 °F 5.0 °F 43% 30.03 in 10.0 mi NW 8.1 mph - N/A   Clear
1:53 PM 27.0 °F 23.0 °F 6.1 °F 41% 30.02 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:53 PM 28.0 °F 19.3 °F 6.1 °F 39% 30.02 in 10.0 mi WNW 9.2 mph - N/A   Clear
3:53 PM 28.9 °F 21.1 °F 7.0 °F 40% 30.03 in 10.0 mi WNW 8.1 mph - N/A   Clear
4:53 PM 27.0 °F 17.3 °F 8.1 °F 45% 30.04 in 10.0 mi NW 10.4 mph - N/A   Overcast
5:53 PM 26.1 °F 19.4 °F 10.0 °F 51% 30.04 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
6:53 PM 26.1 °F 18.4 °F 8.1 °F 47% 30.06 in 10.0 mi West 6.9 mph - N/A   Overcast
7:53 PM 25.0 °F 16.3 °F 9.0 °F 51% 30.06 in 10.0 mi WSW 8.1 mph - N/A   Overcast
8:53 PM 24.1 °F 18.2 °F 12.0 °F 60% 30.06 in 10.0 mi WSW 4.6 mph - N/A   Overcast
9:53 PM 24.1 °F - 12.9 °F 62% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 24.1 °F 17.0 °F 12.9 °F 62% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Overcast
11:53 PM 24.1 °F - 15.1 °F 69% 29.99 in 9.0 mi Calm Calm - N/A   Overcast
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