Weather Almanac for Helena, MT

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Thursday, February 19, 2015

  Average Record
Mean Temperature 28 °F  
Max Temperature 40 °F 64 °F (1981)
Min Temperature 17 °F -23 °F (1882)
Degree Days  
Heating Degree Days 37  
Month to date heating degree days   728  
Since 1 July heating degree days   5246  
Cooling Degree Days 0  
Month to date cooling degree days   0  
Year to date cooling degree days   0  
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation 0.01 in 0.22 in (1949)
Month to date precipitation   0.19  
Year to date precipitation   0.55  
Snow 0.20 in 4.80 in (1993)
Month to date snowfall   3.5  
Since 1 July snowfall   25.8  
Snow Depth    
Wind Speed    
Max Wind Speed    
Max Gust Speed    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Feb. 19, 2015 Rise Set
Actual Time 7:25 AM MST 5:58 PM MST
Civil Twilight 6:54 AM MST 6:29 PM MST
Nautical Twilight 6:19 AM MST 7:05 PM MST
Astronomical Twilight 5:44 AM MST 7:39 PM MST
Moon 7:35 AM MST (2/19) 7:23 PM MST (2/19)
Length of Visible Light 11h 35m
Length of Day
10h 33m
New Moon, 1% of the Moon is Illuminated
Feb 19
New Moon
Feb 25
First Quarter
Mar 5
Mar 13
Last Quarter
Mar 20

No daily or hourly history data available