Weather History for Lewistown, MT

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Tuesday, February 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 28 °F 25 °F  
Max Temperature 37 °F 36 °F 60 °F (1921)
Min Temperature 18 °F 14 °F -30 °F (1905)
Degree Days  
Heating Degree Days 37 40  
Month to date heating degree days 453 483  
Since 1 July heating degree days 4878 5188  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 21 °F    
Average Humidity 67    
Maximum Humidity 75    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in 0.02 in 0.60 in (1897)
Month to date precipitation 0.04 0.19  
Year to date precipitation 1.03 0.76  
Snow  
Snow 0.00 in - - ()
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 12 mph (WSW)    
Max Wind Speed 29 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 12, 2013 Rise Set
Actual Time 7:26 AM MST 5:38 PM MST
Civil Twilight 6:55 AM MST 6:09 PM MST
Nautical Twilight 6:19 AM MST 6:45 PM MST
Astronomical Twilight 5:44 AM MST 7:20 PM MST
Moon 8:11 AM MST (2/12) 8:58 PM MST (2/12)
Length of Visible Light 11h 14m
Length of Day
10h 11m
Waxing Crescent, 8% of the Moon is Illuminated
Feb 12
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

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 23.0 °F - 12.9 °F 65% 30.01 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 19.9 °F - 12.0 °F 71% 30.03 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 21.9 °F 13.4 °F 12.9 °F 68% 30.03 in 10.0 mi SW 6.9 mph - N/A   Clear
3:54 AM 23.0 °F 18.4 °F 14.0 °F 68% 30.02 in 10.0 mi West 3.5 mph - N/A   Clear
4:54 AM 25.0 °F 14.8 °F 15.1 °F 66% 30.04 in 10.0 mi WSW 10.4 mph - N/A   Clear
5:54 AM 24.1 °F 11.5 °F 16.0 °F 71% 30.06 in 10.0 mi SW 15.0 mph - N/A   Partly Cloudy
6:54 AM 27.0 °F 16.1 °F 18.0 °F 69% 30.07 in 10.0 mi SW 12.7 mph - N/A   Overcast
7:54 AM 27.0 °F 16.1 °F 19.0 °F 72% 30.08 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
8:54 AM 27.0 °F 16.1 °F 19.0 °F 72% 30.09 in 10.0 mi SW 12.7 mph - N/A   Overcast
9:54 AM 28.9 °F 25.2 °F 21.0 °F 72% 30.09 in 10.0 mi West 3.5 mph - N/A   Clear
10:54 AM 34.0 °F 24.2 °F 25.0 °F 70% 30.07 in 10.0 mi SW 15.0 mph - N/A   Mostly Cloudy
11:54 AM 35.1 °F 27.9 °F 25.0 °F 67% 30.06 in 10.0 mi West 9.2 mph - N/A   Overcast
12:54 PM 36.0 °F 28.0 °F 24.1 °F 62% 30.04 in 10.0 mi West 11.5 mph - N/A   Overcast
1:54 PM 37.0 °F 29.3 °F 25.0 °F 62% 30.01 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
2:54 PM 36.0 °F 29.0 °F 27.0 °F 70% 30.00 in 10.0 mi West 9.2 mph - N/A   Overcast
3:54 PM 36.0 °F 26.7 °F 26.1 °F 67% 29.99 in 10.0 mi WSW 15.0 mph - N/A   Mostly Cloudy
4:54 PM 35.1 °F 27.9 °F 27.0 °F 72% 29.99 in 10.0 mi WSW 9.2 mph - N/A   Overcast
5:54 PM 34.0 °F 25.5 °F 25.0 °F 70% 29.99 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
6:54 PM 32.0 °F 21.2 °F 23.0 °F 69% 29.96 in 10.0 mi SW 16.1 mph - N/A   Clear
7:54 PM 30.9 °F 20.7 °F 23.0 °F 72% 29.95 in 10.0 mi SW 13.8 mph - N/A   Clear
8:54 PM 32.0 °F 20.5 °F 23.0 °F 69% 29.92 in 10.0 mi WSW 18.4 mph - N/A   Clear
9:54 PM 32.0 °F 21.2 °F 23.0 °F 69% 29.91 in 10.0 mi WSW 16.1 mph 23.0 mph N/A   Clear
10:54 PM 34.0 °F 20.8 °F 23.0 °F 64% 29.87 in 10.0 mi WSW 27.6 mph - N/A   Clear
11:54 PM 36.0 °F 23.9 °F 25.0 °F 64% 29.84 in 10.0 mi WSW 25.3 mph 33.4 mph N/A   Overcast