Weather History for Butte, MT

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Thursday, May 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 39 °F 43 °F  
Max Temperature 62 °F 57 °F 82 °F (1985)
Min Temperature 15 °F 30 °F 11 °F (1975)
Degree Days  
Heating Degree Days 26 22  
Month to date heating degree days 57 44  
Since 1 July heating degree days 8337 8435  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 46    
Maximum Humidity 80    
Minimum Humidity 11    
Precipitation  
Precipitation 0.00 in 0.05 in 0.39 in (1995)
Month to date precipitation 0.00 0.09  
Year to date precipitation 0.90 2.92  
Sea Level Pressure  
Sea Level Pressure 30.52 in    
Wind  
Wind Speed 5 mph (NW)    
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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Daily Weather History Graph

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Astronomy

May. 02, 2013 Rise Set
Actual Time 6:15 AM MDT 8:39 PM MDT
Civil Twilight 5:41 AM MDT 9:13 PM MDT
Nautical Twilight 5:00 AM MDT 9:54 PM MDT
Astronomical Twilight 4:13 AM MDT 10:42 PM MDT
Moon 2:28 AM MDT 1:10 PM MDT
Length of Visible Light 15h 31m
Length of Day
14h 24m
Waning Gibbous, 47% of the Moon is Illuminated
May 2
Waning Gibbous
May 9
New
May 17
First Quarter
May 24
Full
May 31
Last 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 24.1 °F - 12.9 °F 62% 30.69 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 21.9 °F 17.2 °F 12.9 °F 68% 30.69 in 10.0 mi SE 3.5 mph - N/A   Clear
2:53 AM 21.0 °F - 12.9 °F 71% 30.71 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 18.0 °F 11.1 °F 12.9 °F 81% 30.71 in 10.0 mi ESE 4.6 mph - N/A   Clear
4:53 AM 19.0 °F - 12.0 °F 74% 30.71 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 17.1 °F 11.7 °F 12.0 °F 81% 30.72 in 10.0 mi SE 3.5 mph - N/A   Clear
6:53 AM 17.1 °F 11.7 °F 10.9 °F 77% 30.71 in 10.0 mi ESE 3.5 mph - N/A   Clear
7:53 AM 21.0 °F - 14.0 °F 74% 30.70 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 30.0 °F - 16.0 °F 56% 30.66 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 39.9 °F 37.8 °F 16.0 °F 38% 30.60 in 10.0 mi North 3.5 mph - N/A   Clear
10:53 AM 44.1 °F - 10.0 °F 25% 30.58 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 48.9 °F - 9.0 °F 20% 30.55 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 53.1 °F - 9.0 °F 17% 30.51 in 10.0 mi NNE 6.9 mph - N/A   Clear
1:53 PM 55.0 °F - 8.1 °F 15% 30.48 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:53 PM 59.0 °F - 6.1 °F 12% 30.44 in 10.0 mi NNW 8.1 mph - N/A   Clear
3:53 PM 61.0 °F - 7.0 °F 12% 30.41 in 10.0 mi NNW 8.1 mph - N/A   Clear
4:53 PM 62.1 °F - 6.1 °F 11% 30.37 in 10.0 mi WNW 13.8 mph 17.3 mph N/A   Clear
5:53 PM 60.1 °F - 6.1 °F 12% 30.37 in 10.0 mi WNW 13.8 mph - N/A   Clear
6:53 PM 61.0 °F - 7.0 °F 12% 30.35 in 10.0 mi NW 12.7 mph - N/A   Clear
7:53 PM 57.9 °F - 10.0 °F 15% 30.34 in 10.0 mi NW 8.1 mph - N/A   Clear
8:53 PM 52.0 °F - 10.0 °F 19% 30.33 in 10.0 mi WNW 6.9 mph - N/A   Clear
9:53 PM 48.9 °F - 10.9 °F 22% 30.30 in 10.0 mi WNW 6.9 mph - N/A   Clear
10:53 PM 43.0 °F 40.3 °F 14.0 °F 31% 30.31 in 10.0 mi SSE 4.6 mph - N/A   Clear
11:53 PM 39.9 °F 34.5 °F 16.0 °F 38% 30.30 in 10.0 mi SSE 8.1 mph - N/A   Clear