Weather History for Butte, MT

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Thursday, March 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 39 °F 35 °F  
Max Temperature 52 °F 47 °F 68 °F (1978)
Min Temperature 25 °F 24 °F -11 °F (1987)
Degree Days  
Heating Degree Days 26 30  
Month to date heating degree days 859 983  
Since 1 July heating degree days 6999 7552  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 20 °F    
Average Humidity 49    
Maximum Humidity 69    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in 0.03 in 0.50 in (1925)
Month to date precipitation 1.08 0.70  
Year to date precipitation 1.35 1.60  
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 11 mph (South)    
Max Wind Speed 29 mph    
Max Gust Speed 37 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Mar. 29, 2012 Rise Set
Actual Time 7:14 AM MDT 7:55 PM MDT
Civil Twilight 6:44 AM MDT 8:25 PM MDT
Nautical Twilight 6:08 AM MDT 9:01 PM MDT
Astronomical Twilight 5:31 AM MDT 9:38 PM MDT
Moon 11:10 AM MDT (3/29) 2:05 AM MDT (3/29)
Length of Visible Light 13h 40m
Length of Day
12h 40m
Waxing Crescent, 40% of the Moon is Illuminated
Mar 29
Waxing Crescent
Mar 30
First Quarter
Apr 6
Full
Apr 13
Last Quarter
Apr 21
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 28.9 °F - 19.0 °F 67% 29.96 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 AM 28.0 °F 20.0 °F 19.0 °F 69% 29.94 in 10.0 mi SSW 8.1 mph - N/A   Clear
2:53 AM 35.1 °F 28.6 °F 16.0 °F 46% 29.88 in 10.0 mi SW 8.1 mph 18.4 mph N/A   Clear
3:53 AM 30.9 °F - 17.1 °F 57% 29.90 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 30.0 °F - 17.1 °F 59% 29.94 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 27.0 °F - 16.0 °F 63% 29.96 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 28.0 °F 24.2 °F 17.1 °F 63% 29.94 in 10.0 mi SE 3.5 mph - N/A   Clear
7:53 AM 28.0 °F - 17.1 °F 63% 29.92 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 32.0 °F 28.7 °F 18.0 °F 56% 29.92 in 10.0 mi Variable 3.5 mph - N/A   Clear
9:53 AM 36.0 °F 33.3 °F 17.1 °F 46% 29.92 in 10.0 mi NNW 3.5 mph - N/A   Clear
10:53 AM 39.0 °F 35.7 °F 17.1 °F 41% 29.93 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
11:53 AM 43.0 °F 36.4 °F 17.1 °F 35% 29.92 in 10.0 mi SW 12.7 mph 19.6 mph N/A   Overcast
12:53 PM 44.1 °F 39.5 °F 17.1 °F 34% 29.89 in 10.0 mi WSW 8.1 mph 18.4 mph N/A   Overcast
1:53 PM 48.0 °F - 19.0 °F 32% 29.85 in 10.0 mi South 12.7 mph 20.7 mph N/A   Scattered Clouds
2:01 PM 46.4 °F 39.8 °F 19.4 °F 34% 29.83 in 10.0 mi South 16.1 mph 23.0 mph N/A   Mostly Cloudy
2:53 PM 48.0 °F - 19.0 °F 32% 29.79 in 10.0 mi South 15.0 mph - N/A   Mostly Cloudy
3:53 PM 50.0 °F - 19.9 °F 31% 29.76 in 10.0 mi South 18.4 mph 27.6 mph N/A   Scattered Clouds
4:53 PM 51.1 °F - 21.0 °F 31% 29.74 in 10.0 mi South 23.0 mph 27.6 mph N/A   Scattered Clouds
5:53 PM 46.9 °F - 24.1 °F 41% 29.78 in 10.0 mi South 27.6 mph 33.4 mph N/A   Mostly Cloudy
6:53 PM 45.0 °F 36.4 °F 25.0 °F 46% 29.78 in 10.0 mi South 23.0 mph 33.4 mph N/A   Mostly Cloudy
7:53 PM 43.0 °F 34.5 °F 26.1 °F 51% 29.79 in 10.0 mi South 19.6 mph 29.9 mph N/A   Mostly Cloudy
8:53 PM 43.0 °F 34.0 °F 27.0 °F 53% 29.77 in 10.0 mi SSE 21.9 mph 26.5 mph N/A   Overcast
9:53 PM 41.0 °F 33.9 °F 27.0 °F 57% 29.78 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
10:53 PM 41.0 °F 34.7 °F 27.0 °F 57% 29.76 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
11:53 PM 41.0 °F 33.5 °F 26.1 °F 55% 29.75 in 10.0 mi SE 13.8 mph 18.4 mph N/A   Mostly Cloudy