Weather History for Butte, MT

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Thursday, October 13, 2011

  Actual Average Record
Temperature  
Mean Temperature 41 °F 42 °F  
Max Temperature 51 °F 56 °F 77 °F (1964)
Min Temperature 30 °F 27 °F 10 °F (2008)
Degree Days  
Heating Degree Days 24 23  
Month to date heating degree days 217 275  
Since 1 July heating degree days 651 896  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 48 81  
Moisture  
Dew Point 27 °F    
Average Humidity 62    
Maximum Humidity 92    
Minimum Humidity 32    
Precipitation  
Precipitation T in 0.03 in 1.15 in (1934)
Month to date precipitation 0.44 0.37  
Year to date precipitation 11.01 11.25  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Oct. 13, 2011 Rise Set
Actual Time 7:43 AM MDT 6:47 PM MDT
Civil Twilight 7:13 AM MDT 7:17 PM MDT
Nautical Twilight 6:39 AM MDT 7:52 PM MDT
Astronomical Twilight 6:04 AM MDT 8:26 PM MDT
Moon 7:16 PM MDT (10/13) 9:28 AM MDT (10/13)
Length of Visible Light 12h 04m
Length of Day
11h 04m
Full, 98% of the Moon is Illuminated
Oct 13
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First Quarter
Nov 10
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 37.0 °F - 30.0 °F 76% 30.12 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 AM 35.1 °F 32.2 °F 30.0 °F 82% 30.13 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
2:53 AM 35.1 °F 32.2 °F 30.0 °F 82% 30.13 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
3:53 AM 35.1 °F - 28.9 °F 78% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 32.0 °F - 28.0 °F 85% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:53 AM 30.2 °F - 28.4 °F 93% 30.15 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 30.9 °F 26.2 °F 28.0 °F 89% 30.14 in 10.0 mi SSE 4.6 mph - N/A   Clear
7:53 AM 32.0 °F 27.5 °F 28.0 °F 85% 30.14 in 10.0 mi SE 4.6 mph - N/A   Overcast
8:53 AM 35.1 °F - 28.9 °F 78% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 43.0 °F 40.3 °F 30.0 °F 60% 30.13 in 10.0 mi NNW 4.6 mph - N/A   Overcast
10:53 AM 45.0 °F 42.6 °F 26.1 °F 48% 30.11 in 10.0 mi NW 4.6 mph - N/A   Overcast
11:53 AM 46.0 °F 43.1 °F 25.0 °F 44% 30.11 in 10.0 mi NNW 5.8 mph - N/A   Overcast
12:53 PM 46.9 °F - 26.1 °F 44% 30.10 in 10.0 mi NW 4.6 mph - N/A   Overcast
1:53 PM 48.0 °F - 26.1 °F 42% 30.08 in 10.0 mi NW 6.9 mph - N/A   Overcast
2:53 PM 48.9 °F - 25.0 °F 39% 30.06 in 10.0 mi NW 8.1 mph - N/A   Overcast
3:53 PM 50.0 °F - 25.0 °F 38% 30.04 in 10.0 mi WNW 9.2 mph - N/A   Overcast
4:53 PM 50.0 °F - 23.0 °F 35% 30.06 in 10.0 mi WNW 10.4 mph - N/A   Overcast
5:53 PM 50.0 °F - 21.2 °F 32% 30.06 in 10.0 mi West 12.7 mph 23.0 mph N/A   Overcast
6:53 PM 48.0 °F - 24.1 °F 39% 30.06 in 10.0 mi NNW 5.8 mph - N/A   Overcast
7:53 PM 46.9 °F - 23.0 °F 39% 30.08 in 10.0 mi NNW 8.1 mph - N/A   Overcast
8:53 PM 44.1 °F 41.5 °F 24.1 °F 45% 30.08 in 10.0 mi WNW 4.6 mph - N/A   Overcast
9:53 PM 43.0 °F - 27.0 °F 53% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 42.1 °F 38.4 °F 28.0 °F 58% 30.09 in 10.0 mi WNW 5.8 mph - N/A   Overcast
11:53 PM 39.2 °F 35.9 °F 33.8 °F 81% 30.12 in 10.0 mi NW 4.6 mph - N/A Rain Light Rain