Weather History for Butte, MT

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Wednesday, January 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 3 °F 18 °F  
Max Temperature 14 °F 30 °F 55 °F (1918)
Min Temperature -8 °F 6 °F -34 °F (1968)
Degree Days  
Heating Degree Days 62 47  
Month to date heating degree days 120 94  
Since 1 July heating degree days 3785 4058  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point -2 °F    
Average Humidity 84    
Maximum Humidity 95    
Minimum Humidity 73    
Precipitation  
Precipitation 0.00 in 0.01 in 0.50 in (1972)
Month to date precipitation 0.00 0.03  
Year to date precipitation 0.00 0.03  
Sea Level Pressure  
Sea Level Pressure 30.57 in    
Wind  
Wind Speed 0 mph (SSE)    
Max Wind Speed 6 mph    
Max Gust Speed 7 mph    
Visibility 8 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 02, 2013 Rise Set
Actual Time 8:11 AM MST 4:56 PM MST
Civil Twilight 7:37 AM MST 5:31 PM MST
Nautical Twilight 6:59 AM MST 6:08 PM MST
Astronomical Twilight 6:23 AM MST 6:45 PM MST
Moon 10:53 PM MST (1/2) 10:37 AM MST (1/2)
Length of Visible Light 9h 53m
Length of Day
8h 45m
Waning Gibbous, 74% of the Moon is Illuminated
Jan 2
Waning Gibbous
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 -4.0 °F - -8.0 °F 83% 30.61 in 10.0 mi Calm Calm - N/A   Overcast
1:18 AM -4.0 °F - -7.6 °F 85% 30.31 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM -6.0 °F -14.7 °F -9.9 °F 83% 30.61 in 9.0 mi SE 3.5 mph - N/A   Overcast
2:12 AM -4.0 °F - -7.6 °F 85% 30.31 in 2.0 mi Calm Calm - N/A   Overcast
2:20 AM -2.2 °F -10.4 °F -7.6 °F 78% 30.31 in 10.0 mi SE 3.5 mph - N/A   Overcast
2:53 AM 1.0 °F - -2.9 °F 83% 30.59 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 1.9 °F - -2.0 °F 83% 30.61 in 10.0 mi Calm Calm - N/A   Overcast
4:17 AM 1.4 °F - -2.2 °F 85% 30.33 in 1.8 mi Calm Calm - N/A   Overcast
4:26 AM 1.4 °F - -0.4 °F 92% 30.33 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
4:53 AM 1.9 °F - -0.0 °F 91% 30.61 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
5:15 AM 1.4 °F - -0.4 °F 92% 30.33 in 2.0 mi Calm Calm - N/A   Overcast
5:22 AM 1.4 °F - -0.4 °F 92% 30.32 in 6.0 mi Calm Calm - N/A   Overcast
5:39 AM 1.4 °F - -2.2 °F 85% 30.33 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 1.9 °F - -2.0 °F 83% 30.66 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 3.0 °F - -0.9 °F 84% 30.68 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 1.9 °F - -2.0 °F 83% 30.69 in 10.0 mi Calm Calm - N/A   Overcast
8:03 AM 1.4 °F - -2.2 °F 85% 30.35 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 3.0 °F - -0.9 °F 84% 30.69 in 8.0 mi Calm Calm - N/A   Overcast
9:53 AM 6.1 °F - 3.0 °F 87% 30.70 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 9.0 °F - 6.1 °F 88% 30.72 in 10.0 mi Calm Calm - N/A   Overcast
11:43 AM 10.4 °F - 6.8 °F 85% 30.37 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 AM 9.0 °F - 5.0 °F 84% 30.71 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:53 PM 10.0 °F - 6.1 °F 84% 30.68 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 12.0 °F - 6.1 °F 77% 30.66 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 14.0 °F - 6.1 °F 71% 30.62 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 10.0 °F 0.4 °F 3.9 °F 76% 30.65 in 10.0 mi South 5.8 mph - N/A   Clear
4:53 PM 10.0 °F - 3.0 °F 73% 30.65 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM -2.0 °F - -6.0 °F 83% 30.69 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM -2.9 °F - -8.0 °F 79% 30.70 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM -4.0 °F - -8.0 °F 83% 30.70 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM -4.0 °F - -8.0 °F 83% 30.69 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM -6.0 °F - -11.0 °F 79% 30.68 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM -6.0 °F - -9.9 °F 83% 30.67 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM -7.1 °F - -11.0 °F 83% 30.68 in 9.0 mi Calm Calm - N/A   Clear