Weather History for Butte, MT

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Sunday, August 31, 2014

  Actual Average Record
Temperature  
Mean Temperature 54 °F 58 °F  
Max Temperature 64 °F 75 °F 91 °F (1955)
Min Temperature 43 °F 41 °F 27 °F (2006)
Degree Days  
Heating Degree Days 11 7  
Month to date heating degree days 128 127  
Since 1 June heating degree days 516 515  
Since 1 July heating degree days 163 228  
Cooling Degree Days 0 0  
Month to date cooling degree days 16 28  
Year to date cooling degree days 77 79  
Since 1 June cooling degree days 77 79  
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 40 °F    
Average Humidity 66    
Maximum Humidity 100    
Minimum Humidity 32    
Precipitation  
Precipitation 0.02 in 0.04 in 0.38 in (1984)
Month to date precipitation 3.07 1.36  
Year to date precipitation 11.47 9.88  
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 17 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 31, 2014 Rise Set
Actual Time 6:49 AM MDT 8:09 PM MDT
Civil Twilight 6:18 AM MDT 8:40 PM MDT
Nautical Twilight 5:41 AM MDT 9:18 PM MDT
Astronomical Twilight 5:01 AM MDT 9:57 PM MDT
Moon 12:59 PM MDT (8/31) 11:07 PM MDT (8/31)
Length of Visible Light 14h 22m
Length of Day
13h 20m
Waxing Crescent, 32% of the Moon is Illuminated
Aug 31
Waxing Crescent
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter
Sep 24
New

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 - 46.0 °F 93% 29.84 in 10.0 mi East 4.6 mph - N/A   Overcast
1:53 AM 46.9 °F - 45.0 °F 93% 29.83 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
2:53 AM 45.0 °F 42.6 °F 44.1 °F 97% 29.86 in 10.0 mi ESE 4.6 mph - N/A   Clear
3:53 AM 45.0 °F - 43.0 °F 93% 29.86 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 43.0 °F 40.3 °F 42.1 °F 97% 29.88 in 10.0 mi SE 4.6 mph - N/A   Clear
5:53 AM 45.0 °F 42.6 °F 43.0 °F 93% 29.88 in 10.0 mi SSE 4.6 mph - N/A   Overcast
6:53 AM 46.0 °F 43.9 °F 44.1 °F 93% 29.90 in 10.0 mi SE 4.6 mph - 0.00 in   Overcast
7:53 AM 46.9 °F - 44.1 °F 90% 29.92 in 8.0 mi ENE 4.6 mph - 0.01 in Rain Light Rain
8:53 AM 48.9 °F - 43.0 °F 80% 29.92 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
9:53 AM 52.0 °F - 43.0 °F 71% 29.93 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
10:53 AM 54.0 °F - 39.0 °F 57% 29.93 in 10.0 mi NW 10.4 mph - N/A   Overcast
11:53 AM 55.9 °F - 37.9 °F 51% 29.93 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
12:53 PM 60.1 °F - 39.0 °F 46% 29.91 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
1:53 PM 60.1 °F - 37.9 °F 44% 29.90 in 10.0 mi Variable 5.8 mph - 0.01 in   Partly Cloudy
2:53 PM 60.1 °F - 37.9 °F 44% 29.90 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
3:53 PM 61.0 °F - 37.9 °F 42% 29.90 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
4:53 PM 63.0 °F - 37.9 °F 40% 29.89 in 10.0 mi NW 16.1 mph 19.6 mph N/A   Mostly Cloudy
5:53 PM 62.1 °F - 35.1 °F 37% 29.89 in 10.0 mi NW 16.1 mph 23.0 mph N/A   Clear
6:53 PM 60.1 °F - 30.9 °F 33% 29.90 in 10.0 mi NNW 10.4 mph - N/A   Clear
7:53 PM 55.4 °F - 35.6 °F 47% 30.00 in 10.0 mi NNW 9.2 mph - N/A   Clear
8:53 PM 53.1 °F - 37.9 °F 57% 29.94 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
9:53 PM 52.0 °F - 37.0 °F 57% 29.95 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
10:53 PM 48.9 °F - 37.9 °F 66% 29.96 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:53 PM 48.0 °F - 37.0 °F 66% 29.97 in 10.0 mi WNW 4.6 mph - N/A   Clear