Weather History for Lewistown, MT

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Saturday, December 1, 2012

  Actual Average Record
Temperature  
Mean Temperature 45 °F 26 °F  
Max Temperature 54 °F 37 °F 66 °F (1988)
Min Temperature 36 °F 15 °F -27 °F (1985)
Degree Days  
Heating Degree Days 20 39  
Month to date heating degree days 20 39  
Since 1 July heating degree days 1933 2167  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 314 210  
Moisture  
Dew Point 30 °F    
Average Humidity 56    
Maximum Humidity 79    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.02 in 0.41 in (1982)
Month to date precipitation 0.00 0.02  
Year to date precipitation 14.82 16.21  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.69 in    
Wind  
Wind Speed 14 mph (SW)    
Max Wind Speed 31 mph    
Max Gust Speed 37 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 01, 2012 Rise Set
Actual Time 7:43 AM MST 4:30 PM MST
Civil Twilight 7:09 AM MST 5:05 PM MST
Nautical Twilight 6:30 AM MST 5:43 PM MST
Astronomical Twilight 5:54 AM MST 6:19 PM MST
Moon 7:26 PM MST (12/1) 9:56 AM MST (12/1)
Length of Visible Light 9h 56m
Length of Day
8h 46m
Waning Gibbous, 91% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 37.0 °F 30.4 °F 30.9 °F 79% 29.66 in 10.0 mi SW 9.2 mph - N/A   Clear
1:54 AM 37.0 °F - 30.9 °F 79% 29.68 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 43.0 °F 36.4 °F 33.1 °F 68% 29.68 in 10.0 mi SW 12.7 mph - N/A   Overcast
3:54 AM 39.9 °F 33.4 °F 33.1 °F 77% 29.70 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
7:54 AM 45.0 °F 38.9 °F 32.0 °F 60% 29.71 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
8:54 AM 45.0 °F 37.9 °F 32.0 °F 60% 29.70 in 10.0 mi SW 16.1 mph - N/A   Clear
9:54 AM 46.9 °F - 30.0 °F 52% 29.70 in 10.0 mi SW 20.7 mph 29.9 mph N/A   Mostly Cloudy
11:54 AM 53.1 °F - 27.0 °F 37% 29.68 in 10.0 mi WSW 27.6 mph 35.7 mph N/A   Clear
12:54 PM 53.1 °F - 27.0 °F 37% 29.66 in 10.0 mi West 23.0 mph 29.9 mph N/A   Clear
1:54 PM 53.1 °F - 25.0 °F 34% 29.65 in 10.0 mi WSW 27.6 mph 34.5 mph N/A   Clear
2:54 PM 52.0 °F - 26.1 °F 37% 29.64 in 10.0 mi WSW 19.6 mph 29.9 mph N/A   Scattered Clouds
3:54 PM 48.9 °F - 28.9 °F 46% 29.67 in 10.0 mi WSW 8.1 mph - N/A   Overcast
4:54 PM 45.0 °F 38.9 °F 27.0 °F 49% 29.68 in 10.0 mi SW 12.7 mph - N/A   Clear
5:54 PM 46.9 °F - 28.0 °F 48% 29.68 in 10.0 mi WSW 15.0 mph - N/A   Mostly Cloudy
6:34 PM 42.8 °F 37.0 °F 32.0 °F 66% 29.69 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
6:54 PM 39.0 °F 33.4 °F 32.0 °F 76% 29.72 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
7:54 PM 39.0 °F 31.8 °F 30.9 °F 73% 29.72 in 10.0 mi SSW 11.5 mph - N/A   Clear
8:54 PM 41.0 °F 33.1 °F 28.9 °F 62% 29.71 in 10.0 mi WSW 15.0 mph - N/A   Partly Cloudy
9:54 PM 39.9 °F 33.4 °F 28.9 °F 65% 29.70 in 10.0 mi SW 10.4 mph - N/A   Clear
10:54 PM 39.0 °F 34.8 °F 28.0 °F 65% 29.69 in 10.0 mi SW 5.8 mph - N/A   Overcast
11:54 PM 45.0 °F 41.2 °F 28.9 °F 53% 29.67 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy