Weather History for Butte, MT

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Thursday, October 6, 2011

  Actual Average Record
Temperature  
Mean Temperature 46 °F 44 °F  
Max Temperature 51 °F 59 °F 79 °F (1933)
Min Temperature 41 °F 29 °F 11 °F (1974)
Degree Days  
Heating Degree Days 19 21  
Month to date heating degree days 63 119  
Since 1 July heating degree days 497 740  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 48 81  
Moisture  
Dew Point 40 °F    
Average Humidity 81    
Maximum Humidity 100    
Minimum Humidity 61    
Precipitation  
Precipitation 0.04 in 0.03 in 0.60 in (1903)
Month to date precipitation 0.35 0.18  
Year to date precipitation 10.92 11.06  
Sea Level Pressure  
Sea Level Pressure 29.57 in    
Wind  
Wind Speed 7 mph (NNW)    
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

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Daily Weather History Graph

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Astronomy

Oct. 06, 2011 Rise Set
Actual Time 7:34 AM MDT 7:00 PM MDT
Civil Twilight 7:04 AM MDT 7:30 PM MDT
Nautical Twilight 6:30 AM MDT 8:05 PM MDT
Astronomical Twilight 5:55 AM MDT 8:39 PM MDT
Moon 4:29 PM MDT (10/6) 2:11 AM MDT (10/6)
Length of Visible Light 12h 25m
Length of Day
11h 26m
Waxing Gibbous, 76% of the Moon is Illuminated
Oct 6
Waxing Gibbous
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New
Nov 2
First 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 45.0 °F - 41.0 °F 86% 29.42 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 45.0 °F - 42.1 °F 90% 29.42 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 45.0 °F - 41.0 °F 86% 29.43 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 44.1 °F 42.5 °F 41.0 °F 89% 29.44 in 10.0 mi South 3.5 mph - N/A   Overcast
4:53 AM 43.0 °F 41.3 °F 41.0 °F 93% 29.46 in 10.0 mi North 3.5 mph - 0.00 in Rain Light Rain
5:53 AM 43.0 °F 39.5 °F 41.0 °F 93% 29.47 in 10.0 mi NNE 5.8 mph - 0.00 in Rain Light Rain
6:53 AM 43.0 °F - 41.0 °F 93% 29.49 in 10.0 mi Calm Calm - 0.00 in   Overcast
7:28 AM 42.8 °F - 41.0 °F 93% 29.56 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:37 AM 42.8 °F - 41.0 °F 93% 29.56 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 43.0 °F - 42.1 °F 97% 29.51 in 9.0 mi Calm Calm - N/A   Overcast
8:53 AM 43.0 °F - 42.1 °F 97% 29.51 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 44.1 °F 41.5 °F 42.1 °F 93% 29.52 in 10.0 mi WNW 4.6 mph - N/A   Overcast
10:53 AM 45.0 °F 43.5 °F 43.0 °F 93% 29.53 in 8.0 mi North 3.5 mph - 0.01 in Rain Light Rain
11:03 AM 46.4 °F 45.2 °F 42.8 °F 87% 29.58 in 10.0 mi NNE 3.5 mph - 0.00 in   Overcast
11:51 AM 46.4 °F - 42.8 °F 87% 29.59 in 8.0 mi Calm Calm - N/A Rain Light Rain
11:53 AM 46.0 °F - 42.1 °F 86% 29.53 in 8.0 mi Calm Calm - 0.01 in Rain Light Rain
12:00 PM 46.4 °F - 42.8 °F 87% 29.59 in 10.0 mi Calm Calm - 0.00 in   Overcast
12:35 PM 46.4 °F 42.4 °F 42.8 °F 87% 29.59 in 8.0 mi North 8.1 mph - 0.01 in Rain Light Rain
12:53 PM 48.0 °F - 41.0 °F 77% 29.53 in 10.0 mi North 10.4 mph 18.4 mph 0.01 in Rain Light Rain
1:02 PM 48.2 °F - 41.0 °F 76% 29.60 in 10.0 mi NNE 12.7 mph 20.7 mph 0.00 in   Overcast
1:53 PM 51.1 °F - 39.9 °F 66% 29.52 in 10.0 mi North 10.4 mph 19.6 mph 0.00 in   Overcast
2:42 PM 51.8 °F - 39.2 °F 62% 29.61 in 10.0 mi North 16.1 mph 24.2 mph N/A   Mostly Cloudy
2:53 PM 50.0 °F - 39.0 °F 66% 29.54 in 10.0 mi North 17.3 mph 25.3 mph N/A   Partly Cloudy
3:53 PM 50.0 °F - 37.9 °F 63% 29.57 in 10.0 mi North 15.0 mph 20.7 mph N/A   Scattered Clouds
4:19 PM 48.2 °F - 37.4 °F 66% 29.64 in 10.0 mi NNE 11.5 mph - N/A   Mostly Cloudy
4:53 PM 46.9 °F - 39.0 °F 74% 29.60 in 10.0 mi NW 10.4 mph - N/A   Overcast
5:02 PM 46.4 °F 41.5 °F 37.4 °F 71% 29.65 in 10.0 mi NW 10.4 mph - N/A   Overcast
5:53 PM 45.0 °F 39.3 °F 39.0 °F 80% 29.64 in 10.0 mi NW 11.5 mph - N/A   Overcast
6:31 PM 44.6 °F 38.8 °F 37.4 °F 76% 29.69 in 10.0 mi NW 11.5 mph - N/A   Overcast
6:53 PM 45.0 °F 38.5 °F 37.0 °F 74% 29.65 in 10.0 mi NW 13.8 mph - N/A   Overcast
7:53 PM 44.1 °F 37.7 °F 37.0 °F 76% 29.67 in 10.0 mi NW 12.7 mph - 0.00 in Rain Light Rain
8:53 PM 44.1 °F 36.5 °F 37.0 °F 76% 29.68 in 10.0 mi NW 17.3 mph - 0.00 in   Overcast
9:53 PM 43.0 °F 36.8 °F 37.0 °F 80% 29.70 in 10.0 mi NW 11.5 mph - N/A   Overcast
10:04 PM 42.8 °F 36.6 °F 35.6 °F 76% 29.75 in 10.0 mi NW 11.5 mph - N/A   Overcast
10:53 PM 43.0 °F 37.2 °F 37.0 °F 80% 29.70 in 10.0 mi NW 10.4 mph - N/A   Overcast
11:53 PM 41.0 °F 35.8 °F 37.9 °F 89% 29.69 in 10.0 mi WNW 8.1 mph - 0.01 in Rain Light Rain