Weather History for Butte, MT

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Sunday, September 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F 54 °F  
Max Temperature 84 °F 71 °F 87 °F (1981)
Min Temperature 35 °F 38 °F 20 °F (1959)
Degree Days  
Heating Degree Days 5 11  
Month to date heating degree days 85 82  
Since 1 July heating degree days 177 310  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 121 79  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 27 °F    
Average Humidity 33    
Maximum Humidity 54    
Minimum Humidity 11    
Precipitation  
Precipitation T in 0.03 in 0.60 in (1961)
Month to date precipitation 0.01 0.34  
Year to date precipitation 7.41 10.22  
Snow  
Snow 0.00 in - - ()
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 5 mph (South)    
Max Wind Speed 29 mph    
Max Gust Speed 40 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 09, 2012 Rise Set
Actual Time 7:01 AM MDT 7:51 PM MDT
Civil Twilight 6:31 AM MDT 8:22 PM MDT
Nautical Twilight 5:54 AM MDT 8:58 PM MDT
Astronomical Twilight 5:17 AM MDT 9:35 PM MDT
Moon 12:19 AM MDT (9/9) 3:54 PM MDT (9/9)
Length of Visible Light 13h 50m
Length of Day
12h 50m
Last Quarter, 39% of the Moon is Illuminated
Sep 9
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.0 °F - 23.0 °F 37% 30.06 in 7.0 mi ESE 4.6 mph - N/A   Partly Cloudy
1:53 AM 45.0 °F 41.8 °F 21.9 °F 40% 30.07 in 7.0 mi SE 5.8 mph - N/A   Clear
2:53 AM 41.0 °F - 25.0 °F 53% 30.06 in 8.0 mi Calm Calm - N/A   Clear
3:53 AM 39.0 °F 34.8 °F 21.9 °F 50% 30.05 in 7.0 mi SSE 5.8 mph - N/A   Clear
4:53 AM 39.2 °F - 23.0 °F 52% 30.16 in 7.0 mi Calm Calm - N/A   Clear
5:53 AM 37.0 °F 34.5 °F 21.0 °F 52% 30.04 in 8.0 mi SSE 3.5 mph - N/A   Clear
6:53 AM 37.0 °F 32.4 °F 23.0 °F 57% 30.03 in 9.0 mi SE 5.8 mph - N/A   Clear
7:53 AM 37.9 °F - 23.0 °F 55% 30.04 in 8.0 mi Calm Calm - N/A   Clear
8:53 AM 44.1 °F - 24.1 °F 45% 30.03 in 8.0 mi Calm Calm - N/A   Clear
9:53 AM 55.4 °F - 26.6 °F 33% 30.11 in 9.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 64.9 °F - 27.0 °F 24% 29.97 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 AM 73.9 °F - 25.0 °F 16% 29.91 in 10.0 mi NE 5.8 mph - N/A   Clear
12:53 PM 78.1 °F - 26.1 °F 15% 29.86 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 82.0 °F - 23.0 °F 11% 29.84 in 10.0 mi SSE 10.4 mph - N/A   Unknown
2:53 PM 80.1 °F - 26.1 °F 14% 29.85 in 10.0 mi WSW 11.5 mph 19.6 mph N/A   Mostly Cloudy
3:53 PM 79.0 °F - 34.0 °F 20% 29.84 in 10.0 mi SW 15.0 mph 25.3 mph 0.00 in   Mostly Cloudy
4:53 PM 82.0 °F - 30.9 °F 16% 29.79 in 10.0 mi South 8.1 mph 17.3 mph N/A   Partly Cloudy
5:53 PM 82.0 °F - 30.9 °F 16% 29.79 in 10.0 mi SSW 15.0 mph 24.2 mph N/A   Partly Cloudy
6:53 PM 80.1 °F - 30.9 °F 17% 29.78 in 10.0 mi SW 6.9 mph 19.6 mph N/A   Clear
7:53 PM 75.9 °F - 32.0 °F 20% 29.79 in 10.0 mi WSW 5.8 mph - N/A   Clear
8:53 PM 72.0 °F - 33.1 °F 24% 29.80 in 6.0 mi WNW 11.5 mph - N/A   Haze
9:53 PM 66.0 °F - 33.1 °F 29% 29.82 in 5.0 mi NW 8.1 mph - N/A   Haze
10:53 PM 61.0 °F - 34.0 °F 36% 29.82 in 5.0 mi NNE 3.5 mph - N/A   Haze
11:53 PM 59.0 °F - 34.0 °F 39% 29.79 in 6.0 mi Calm Calm - N/A   Haze