Weather History for Butte, MT

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Friday, September 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 34 °F 47 °F  
Max Temperature 46 °F 63 °F 83 °F (1963)
Min Temperature 21 °F 32 °F 16 °F (1935)
Degree Days  
Heating Degree Days 31 18  
Month to date heating degree days 250 338  
Since 1 July heating degree days 317 566  
Cooling Degree Days 0 0  
Month to date cooling degree days 8 0  
Year to date cooling degree days 104 79  
Moisture  
Dew Point 26 °F    
Average Humidity 69    
Maximum Humidity 92    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.03 in 0.55 in (2014)
Month to date precipitation 2.50 0.91  
Year to date precipitation 9.79 10.79  
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 18 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

Sep. 27, 2013 Rise Set
Actual Time 7:23 AM MDT 7:17 PM MDT
Civil Twilight 6:53 AM MDT 7:46 PM MDT
Nautical Twilight 6:19 AM MDT 8:21 PM MDT
Astronomical Twilight 5:43 AM MDT 8:56 PM MDT
Moon 12:05 AM MDT (9/27) 3:14 PM MDT (9/27)
Length of Visible Light 12h 52m
Length of Day
11h 53m
Last Quarter, 44% of the Moon is Illuminated
Sep 27
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
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 30.0 °F - 27.0 °F 88% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 AM 30.0 °F - 27.0 °F 88% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:33 AM 28.4 °F - 26.6 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:45 AM 26.6 °F - 24.8 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 26.1 °F 20.5 °F 24.1 °F 92% 30.11 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
3:53 AM 26.1 °F - 24.1 °F 92% 30.10 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 24.1 °F 19.7 °F 21.9 °F 91% 30.10 in 10.0 mi ESE 3.5 mph - N/A   Clear
5:53 AM 24.1 °F - 21.9 °F 91% 30.11 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 21.9 °F 17.2 °F 19.9 °F 92% 30.13 in 10.0 mi SE 3.5 mph - N/A   Clear
7:53 AM 21.9 °F - 19.9 °F 92% 30.14 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 24.1 °F - 21.9 °F 91% 30.14 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 28.9 °F - 26.1 °F 89% 30.12 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 32.0 °F - 27.0 °F 82% 30.10 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 39.0 °F 36.8 °F 26.1 °F 60% 30.06 in 10.0 mi ENE 3.5 mph - N/A   Clear
12:53 PM 41.0 °F 39.0 °F 28.0 °F 60% 30.04 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
1:53 PM 44.1 °F 39.0 °F 26.1 °F 49% 30.01 in 10.0 mi West 9.2 mph - N/A   Overcast
2:53 PM 44.1 °F 38.1 °F 25.0 °F 47% 30.03 in 10.0 mi West 11.5 mph 19.6 mph N/A   Overcast
3:53 PM 44.1 °F 39.0 °F 26.1 °F 49% 30.03 in 10.0 mi West 9.2 mph - N/A   Overcast
4:53 PM 43.0 °F 38.8 °F 28.9 °F 58% 30.04 in 10.0 mi WSW 6.9 mph - N/A   Overcast
5:53 PM 43.0 °F 37.7 °F 28.0 °F 56% 30.04 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
6:53 PM 42.1 °F 37.7 °F 28.0 °F 58% 30.06 in 10.0 mi SW 6.9 mph - N/A   Overcast
7:53 PM 41.0 °F 38.0 °F 28.9 °F 62% 30.06 in 10.0 mi SSW 4.6 mph - N/A   Overcast
8:53 PM 41.0 °F 36.4 °F 28.0 °F 60% 30.06 in 10.0 mi SW 6.9 mph - N/A   Overcast
9:53 PM 41.0 °F - 30.0 °F 65% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 42.1 °F - 28.9 °F 60% 30.02 in 10.0 mi Calm Calm - N/A   Overcast
11:53 PM 42.1 °F - 28.9 °F 60% 29.98 in 10.0 mi Calm Calm - N/A   Overcast