Weather History for Lewistown, MT

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Sunday, January 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 21 °F 24 °F  
Max Temperature 29 °F 34 °F 58 °F (1981)
Min Temperature 13 °F 13 °F -32 °F (1949)
Degree Days  
Heating Degree Days 44 41  
Month to date heating degree days 795 832  
Since 1 July heating degree days 3999 4254  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 12 °F    
Average Humidity 75    
Maximum Humidity 91    
Minimum Humidity 58    
Precipitation  
Precipitation T in 0.02 in 0.36 in (2003)
Month to date precipitation 0.73 0.38  
Year to date precipitation 0.73 0.38  
Snow  
Snow 0.00 in - - ()
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.45 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 24 mph    
Max Gust Speed 31 mph    
Visibility 7 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 20, 2013 Rise Set
Actual Time 7:55 AM MST 5:03 PM MST
Civil Twilight 7:21 AM MST 5:36 PM MST
Nautical Twilight 6:44 AM MST 6:14 PM MST
Astronomical Twilight 6:07 AM MST 6:50 PM MST
Moon 12:07 PM MST (1/20) 2:28 AM MST (1/20)
Length of Visible Light 10h 15m
Length of Day
9h 07m
Waxing Gibbous, 67% of the Moon is Illuminated
Jan 20
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
1:54 AM 21.0 °F 7.6 °F 17.1 °F 85% 30.41 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
2:18 AM 19.4 °F 7.2 °F 17.6 °F 93% 30.29 in 10.0 mi NW 11.5 mph 21.9 mph N/A   Mostly Cloudy
2:25 AM 21.2 °F 5.6 °F 17.6 °F 86% 30.29 in 10.0 mi NW 20.7 mph 31.1 mph N/A   Mostly Cloudy
2:41 AM 19.4 °F 4.5 °F 17.6 °F 93% 30.33 in 10.0 mi WNW 17.3 mph 26.5 mph N/A   Overcast
2:54 AM 19.9 °F 6.2 °F 17.1 °F 89% 30.48 in 10.0 mi NW 15.0 mph 24.2 mph N/A   Overcast
3:54 AM 19.0 °F 4.0 °F 16.0 °F 88% 30.49 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Overcast
4:54 AM 18.0 °F 1.7 °F 14.0 °F 84% 30.52 in 4.0 mi WNW 19.6 mph 28.8 mph 0.00 in Snow Light Snow
5:30 AM 17.6 °F 1.3 °F 14.0 °F 86% 30.38 in 2.5 mi WNW 19.6 mph 25.3 mph 0.00 in Snow Light Snow
5:54 AM 17.1 °F 1.0 °F 14.0 °F 88% 30.53 in 2.5 mi WNW 18.4 mph - 0.00 in Snow Light Snow
6:29 AM 17.6 °F 1.7 °F 12.2 °F 79% 30.38 in 3.0 mi WNW 18.4 mph 25.3 mph 0.00 in Snow Light Snow
6:54 AM 16.0 °F 0.6 °F 12.9 °F 88% 30.53 in 4.0 mi NW 16.1 mph - 0.00 in Snow Light Snow
7:54 AM 16.0 °F 4.4 °F 12.0 °F 84% 30.54 in 8.0 mi WNW 9.2 mph - 0.00 in Snow Light Snow
8:35 AM 15.8 °F 5.1 °F 12.2 °F 86% 30.39 in 3.0 mi West 8.1 mph - 0.00 in Snow Light Snow
8:54 AM 15.1 °F 2.5 °F 12.9 °F 91% 30.56 in 2.5 mi West 10.4 mph - 0.00 in Snow Light Snow
9:09 AM 15.8 °F 3.4 °F 12.2 °F 86% 30.39 in 1.5 mi West 10.4 mph - 0.00 in Snow Light Snow
9:24 AM 15.8 °F 4.2 °F 12.2 °F 86% 30.40 in 2.5 mi WNW 9.2 mph - 0.00 in Snow Light Snow
9:37 AM 15.8 °F 10.2 °F 12.2 °F 86% 30.41 in 3.0 mi West 3.5 mph - 0.00 in Snow Light Snow
9:54 AM 15.1 °F 9.4 °F 12.0 °F 88% 30.57 in 4.0 mi West 3.5 mph - 0.00 in Snow Light Snow
10:13 AM 15.8 °F 7.2 °F 12.2 °F 86% 30.40 in 3.0 mi West 5.8 mph - 0.00 in Snow Light Snow
10:54 AM 14.0 °F 5.1 °F 10.9 °F 88% 30.57 in 4.0 mi West 5.8 mph - 0.00 in Snow Light Snow
11:46 AM 14.0 °F 3.9 °F 10.4 °F 86% 30.37 in 9.0 mi West 6.9 mph - 0.00 in   Overcast
11:54 AM 14.0 °F 2.9 °F 10.0 °F 84% 30.53 in 9.0 mi West 8.1 mph - 0.00 in   Overcast
12:54 PM 14.0 °F 2.9 °F 10.0 °F 84% 30.52 in 10.0 mi WNW 8.1 mph - N/A   Overcast
1:54 PM 14.0 °F 5.1 °F 10.0 °F 84% 30.51 in 10.0 mi West 5.8 mph - N/A   Overcast
2:54 PM 14.0 °F 2.9 °F 10.0 °F 84% 30.50 in 10.0 mi West 8.1 mph - N/A   Overcast
3:54 PM 14.0 °F 3.9 °F 9.0 °F 80% 30.49 in 10.0 mi West 6.9 mph - N/A   Overcast
4:54 PM 14.0 °F 6.5 °F 9.0 °F 80% 30.50 in 10.0 mi NW 4.6 mph - N/A   Overcast
5:54 PM 12.9 °F 2.6 °F 9.0 °F 84% 30.50 in 10.0 mi West 6.9 mph - N/A   Overcast
6:54 PM 12.9 °F 5.2 °F 9.0 °F 84% 30.49 in 10.0 mi WNW 4.6 mph - N/A   Overcast
7:54 PM 12.9 °F 5.2 °F 9.0 °F 84% 30.47 in 10.0 mi West 4.6 mph - N/A   Overcast
8:54 PM 12.9 °F 5.2 °F 9.0 °F 84% 30.46 in 10.0 mi NNE 4.6 mph - N/A   Overcast
9:54 PM 12.9 °F - 9.0 °F 84% 30.43 in 10.0 mi Calm Calm - N/A   Overcast
10:54 PM 14.0 °F - 10.9 °F 88% 30.42 in 10.0 mi Calm Calm - N/A   Overcast
11:54 PM 14.0 °F 6.5 °F 12.0 °F 92% 30.40 in 10.0 mi SE 4.6 mph - N/A   Overcast