Weather History for Butte, MT

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Monday, September 3, 2012

  Actual Average Record
Temperature  
Mean Temperature 54 °F 57 °F  
Max Temperature 75 °F 74 °F 92 °F (1998)
Min Temperature 33 °F 40 °F 23 °F (1958)
Degree Days  
Heating Degree Days 11 8  
Month to date heating degree days 27 24  
Since 1 July heating degree days 119 252  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 121 79  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 19 °F    
Average Humidity 34    
Maximum Humidity 56    
Minimum Humidity 11    
Precipitation  
Precipitation 0.00 in 0.04 in 0.65 in (1912)
Month to date precipitation 0.01 0.12  
Year to date precipitation 7.41 10.00  
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 26 mph    
Visibility 6 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 03, 2012 Rise Set
Actual Time 6:53 AM MDT 8:03 PM MDT
Civil Twilight 6:23 AM MDT 8:33 PM MDT
Nautical Twilight 5:46 AM MDT 9:10 PM MDT
Astronomical Twilight 5:07 AM MDT 9:49 PM MDT
Moon 9:09 PM MDT (9/3) 10:20 AM MDT (9/3)
Length of Visible Light 14h 10m
Length of Day
13h 09m
Waning Gibbous, 90% of the Moon is Illuminated
Sep 3
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

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 52.0 °F - 18.0 °F 26% 30.02 in 5.0 mi WNW 5.8 mph - N/A   Haze
1:53 AM 50.0 °F - 19.0 °F 29% 30.04 in 5.0 mi North 5.8 mph - N/A   Haze
2:53 AM 48.0 °F - 19.0 °F 32% 30.04 in 5.0 mi North 3.5 mph - N/A   Haze
3:53 AM 42.1 °F 37.7 °F 18.0 °F 38% 30.08 in 6.0 mi South 6.9 mph - N/A   Haze
4:53 AM 37.0 °F 32.4 °F 19.9 °F 50% 30.10 in 6.0 mi SE 5.8 mph - N/A   Haze
5:53 AM 36.0 °F 33.3 °F 18.0 °F 48% 30.10 in 7.0 mi South 3.5 mph - N/A   Clear
6:53 AM 34.0 °F 31.0 °F 19.0 °F 54% 30.12 in 7.0 mi SSE 3.5 mph - N/A   Clear
7:53 AM 34.0 °F - 19.0 °F 54% 30.14 in 6.0 mi Calm Calm - N/A   Haze
8:53 AM 43.0 °F - 21.0 °F 42% 30.13 in 6.0 mi Calm Calm - N/A   Haze
9:53 AM 53.1 °F - 23.0 °F 31% 30.11 in 6.0 mi Calm Calm - N/A   Haze
10:53 AM 62.1 °F - 21.0 °F 21% 30.08 in 8.0 mi NNE 4.6 mph - N/A   Clear
11:53 AM 64.9 °F - 21.9 °F 19% 30.06 in 10.0 mi NE 5.8 mph - N/A   Clear
12:53 PM 68.0 °F - 21.9 °F 17% 30.03 in 10.0 mi NNE 9.2 mph - N/A   Clear
1:29 PM 69.8 °F - 15.8 °F 13% 30.15 in 7.0 mi West 15.0 mph 24.2 mph N/A   Clear
1:53 PM 71.1 °F - 14.0 °F 11% 30.01 in 5.0 mi SW 13.8 mph 25.3 mph N/A   Haze
2:53 PM 72.0 °F - 17.1 °F 12% 30.00 in 3.0 mi West 8.1 mph 20.7 mph N/A   Haze
3:49 PM 73.4 °F - 15.8 °F 11% 30.11 in 2.5 mi WSW 8.1 mph 18.4 mph N/A   Haze
3:53 PM 73.0 °F - 16.0 °F 11% 29.99 in 2.5 mi SW 6.9 mph 18.4 mph N/A   Haze
4:16 PM 73.4 °F - 15.8 °F 11% 30.10 in 3.0 mi SW 10.4 mph 17.3 mph N/A   Haze
4:53 PM 73.9 °F - 16.0 °F 11% 29.99 in 5.0 mi NW 12.7 mph 21.9 mph N/A   Haze
5:53 PM 73.0 °F - 17.1 °F 12% 29.99 in 3.0 mi West 9.2 mph 17.3 mph N/A   Haze
6:53 PM 70.0 °F - 18.0 °F 14% 30.00 in 7.0 mi NW 6.9 mph - N/A   Scattered Clouds
7:53 PM 64.9 °F - 19.9 °F 18% 30.02 in 7.0 mi NW 4.6 mph - N/A   Overcast
8:53 PM 62.1 °F - 19.9 °F 20% 30.02 in 8.0 mi Calm Calm - N/A   Overcast
9:53 PM 51.1 °F - 21.0 °F 31% 30.04 in 6.0 mi SE 6.9 mph - N/A   Haze
10:53 PM 51.1 °F - 21.0 °F 31% 30.01 in 5.0 mi East 4.6 mph - N/A   Haze
11:53 PM 45.0 °F 42.6 °F 23.0 °F 42% 30.03 in 5.0 mi SE 4.6 mph - N/A   Haze