Weather Almanac for Lewistown, MT

Change the Weather History Date:

Friday, December 12, 2014

  Average Record
Mean Temperature -5 °C  
Max Temperature 1 °C 15 °C (1924)
Min Temperature -11 °C -30 °C (1922)
Degree Days  
Heating Degree Days 42  
Month to date heating degree days   487  
Since 1 July heating degree days   2615  
Cooling Degree Days 0  
Month to date cooling degree days   0  
Year to date cooling degree days   210  
Dew Point    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation 0.51 mm 2.44 mm (1937)
Month to date precipitation   0.25  
Year to date precipitation   16.44  
Snow - - ()
Snow Depth    
Wind Speed    
Max Wind Speed    
Max Gust Speed    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Search for Another Location


Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!



Dec. 12, 2014 Rise Set
Actual Time 7:54 AM MST 4:28 PM MST
Civil Twilight 7:19 AM MST 5:03 PM MST
Nautical Twilight 6:40 AM MST 5:42 PM MST
Astronomical Twilight 6:03 AM MST 6:19 PM MST
Moon 10:56 PM MST (12/12) 11:33 AM MST (12/12)
Length of Visible Light 9h 44m
Length of Day
8h 33m
Waning Gibbous, 66% of the Moon is Illuminated
Dec 12
Waning Gibbous
Dec 14
Last Quarter
Dec 21
Dec 28
First Quarter
Jan 4

No daily or hourly history data available