Weather History for Butte, MT

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Friday, April 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 36 °F 38 °F  
Max Temperature 51 °F 51 °F 72 °F (1988)
Min Temperature 21 °F 26 °F 2 °F (1975)
Degree Days  
Heating Degree Days 29 27  
Month to date heating degree days 319 337  
Since 1 July heating degree days 7734 7948  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 15 °F    
Average Humidity 49    
Maximum Humidity 81    
Minimum Humidity 16    
Precipitation  
Precipitation 0.00 in 0.04 in 0.50 in (1918)
Month to date precipitation 0.13 0.43  
Year to date precipitation 0.79 2.09  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 4 mph (SSW)    
Max Wind Speed 16 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 12, 2013 Rise Set
Actual Time 6:48 AM MDT 8:13 PM MDT
Civil Twilight 6:17 AM MDT 8:44 PM MDT
Nautical Twilight 5:40 AM MDT 9:22 PM MDT
Astronomical Twilight 5:00 AM MDT 10:02 PM MDT
Moon 7:54 AM MDT (4/12) 10:56 PM MDT (4/12)
Length of Visible Light 14h 26m
Length of Day
13h 24m
Waxing Crescent, 5% of the Moon is Illuminated
Apr 12
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
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 30.0 °F 24.1 °F 18.0 °F 61% 30.03 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
1:53 AM 28.9 °F 25.2 °F 17.1 °F 61% 30.04 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:53 AM 27.0 °F - 17.1 °F 66% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:53 AM 24.1 °F 17.0 °F 18.0 °F 77% 30.06 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
4:53 AM 24.1 °F - 17.1 °F 75% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
5:53 AM 23.0 °F - 17.1 °F 78% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 25.0 °F 20.7 °F 19.0 °F 78% 30.08 in 10.0 mi SE 3.5 mph - N/A   Overcast
7:53 AM 26.1 °F - 19.0 °F 75% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 30.0 °F - 19.9 °F 66% 30.09 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 34.0 °F 31.0 °F 16.0 °F 48% 30.08 in 10.0 mi Variable 3.5 mph - N/A   Overcast
10:53 AM 35.1 °F - 16.0 °F 46% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM 37.9 °F - 15.1 °F 39% 30.04 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 42.1 °F 39.2 °F 14.0 °F 32% 29.97 in 10.0 mi East 4.6 mph - N/A   Clear
1:53 PM 44.1 °F 42.5 °F 12.9 °F 28% 29.93 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
2:53 PM 46.9 °F - 7.0 °F 20% 29.88 in 10.0 mi Variable 3.5 mph 16.1 mph N/A   Clear
3:53 PM 48.0 °F - 12.0 °F 24% 29.86 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
4:53 PM 50.0 °F - 10.9 °F 21% 29.81 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
5:53 PM 51.1 °F - 8.1 °F 18% 29.78 in 10.0 mi West 8.1 mph - N/A   Overcast
6:53 PM 50.0 °F - 7.0 °F 18% 29.75 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 48.9 °F - 7.0 °F 18% 29.72 in 10.0 mi West 6.9 mph - N/A   Overcast
8:53 PM 46.0 °F 44.8 °F 15.1 °F 29% 29.68 in 10.0 mi ESE 3.5 mph - N/A   Overcast
9:53 PM 42.1 °F 37.1 °F 17.1 °F 37% 29.65 in 10.0 mi South 8.1 mph - N/A   Overcast
10:53 PM 43.0 °F 38.8 °F 15.1 °F 32% 29.63 in 10.0 mi Variable 6.9 mph - N/A   Overcast
11:53 PM 46.0 °F 41.4 °F 15.1 °F 29% 29.60 in 10.0 mi WSW 9.2 mph - N/A   Overcast