Weather History for Lewistown, MT

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Wednesday, February 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 14 °F 26 °F  
Max Temperature 21 °F 37 °F 62 °F (1995)
Min Temperature 6 °F 16 °F -36 °F (1918)
Degree Days  
Heating Degree Days 51 39  
Month to date heating degree days 768 797  
Since 1 July heating degree days 5193 5502  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 14 °F    
Average Humidity 90    
Maximum Humidity 96    
Minimum Humidity 83    
Precipitation  
Precipitation 0.01 in 0.01 in 0.35 in (1920)
Month to date precipitation 0.51 0.31  
Year to date precipitation 1.80 0.88  
Snow  
Snow 0.00 in - - ()
Snow Depth 2.00 in    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 2 mph (SW)    
Max Wind Speed 8 mph    
Max Gust Speed 9 mph    
Visibility 5 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 20, 2013 Rise Set
Actual Time 7:13 AM MST 5:50 PM MST
Civil Twilight 6:42 AM MST 6:21 PM MST
Nautical Twilight 6:07 AM MST 6:56 PM MST
Astronomical Twilight 5:31 AM MST 7:32 PM MST
Moon 1:02 PM MST (2/20) 3:48 AM MST (2/20)
Length of Visible Light 11h 38m
Length of Day
10h 36m
Waxing Gibbous, 76% of the Moon is Illuminated
Feb 20
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

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 12.0 °F 1.5 °F 9.0 °F 88% 29.88 in 10.0 mi SE 6.9 mph - N/A   Clear
1:54 AM 12.0 °F 5.9 °F 8.1 °F 84% 29.89 in 10.0 mi South 3.5 mph - N/A   Clear
2:54 AM 10.0 °F - 7.0 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 10.9 °F - 8.1 °F 88% 29.91 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 10.9 °F 4.7 °F 8.1 °F 88% 29.94 in 10.0 mi SE 3.5 mph - N/A   Clear
5:54 AM 10.0 °F -0.9 °F 8.1 °F 92% 29.95 in 10.0 mi West 6.9 mph - N/A   Clear
6:54 AM 7.0 °F -4.5 °F 5.0 °F 92% 29.96 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
7:05 AM 8.6 °F -1.3 °F 6.8 °F 92% 29.79 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
7:16 AM 10.4 °F 2.2 °F 6.8 °F 85% 29.79 in 10.0 mi West 4.6 mph - N/A   Overcast
7:54 AM 14.0 °F - 12.0 °F 92% 29.96 in 6.0 mi Calm Calm - N/A   Overcast
8:54 AM 14.0 °F - 12.0 °F 92% 29.97 in 4.0 mi Calm Calm - N/A   Overcast
9:07 AM 15.8 °F - 14.0 °F 93% 29.80 in 1.5 mi Calm Calm - N/A   Overcast
9:18 AM 14.0 °F - 14.0 °F 100% 29.80 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
9:54 AM 15.1 °F - 14.0 °F 95% 29.97 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
10:04 AM 15.8 °F - 15.8 °F 100% 29.80 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
10:49 AM 15.8 °F - 14.0 °F 93% 29.81 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
10:54 AM 16.0 °F - 14.0 °F 92% 29.98 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
11:16 AM 15.8 °F 10.2 °F 15.8 °F 100% 29.81 in 2.0 mi WSW 3.5 mph - N/A   Overcast
11:26 AM 17.6 °F 12.3 °F 14.0 °F 86% 29.81 in 9.0 mi WNW 3.5 mph - N/A   Overcast
11:54 AM 17.1 °F - 15.1 °F 92% 29.98 in 3.0 mi Calm Calm - N/A   Overcast
11:58 AM 17.6 °F - 15.8 °F 93% 29.80 in 1.8 mi Calm Calm - N/A   Overcast
12:08 PM 17.6 °F - 15.8 °F 93% 29.80 in 3.0 mi Calm Calm - N/A   Overcast
12:54 PM 18.0 °F - 16.0 °F 92% 29.97 in 8.0 mi Calm Calm - N/A   Overcast
1:54 PM 19.0 °F 13.9 °F 17.1 °F 92% 29.96 in 10.0 mi West 3.5 mph - N/A   Overcast
2:54 PM 21.0 °F - 17.1 °F 85% 29.96 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
3:04 PM 21.2 °F - 17.6 °F 86% 29.79 in 1.8 mi Calm Calm - 0.00 in Snow Light Snow
3:18 PM 21.2 °F - 17.6 °F 86% 29.79 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
3:32 PM 21.2 °F - 17.6 °F 86% 29.79 in 1.5 mi Calm Calm - 0.00 in Snow Light Snow
3:54 PM 21.0 °F 16.2 °F 17.1 °F 85% 29.96 in 1.5 mi West 3.5 mph - 0.00 in Snow Light Snow
4:02 PM 19.4 °F - 17.6 °F 93% 29.79 in 2.0 mi Calm Calm - 0.00 in Snow Light Snow
4:12 PM 19.4 °F 14.3 °F 17.6 °F 93% 29.79 in 3.0 mi West 3.5 mph - 0.00 in Snow Light Snow
4:21 PM 19.4 °F 14.3 °F 17.6 °F 93% 29.79 in 2.5 mi West 3.5 mph - 0.00 in Snow Light Snow
4:34 PM 19.4 °F 14.3 °F 17.6 °F 93% 29.79 in 4.0 mi West 3.5 mph - 0.00 in Snow Light Snow
4:54 PM 19.9 °F - 17.1 °F 89% 29.96 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
5:54 PM 19.9 °F - 17.1 °F 89% 29.97 in 3.0 mi Calm Calm - 0.00 in   Overcast
6:04 PM 19.4 °F - 17.6 °F 93% 29.81 in 2.5 mi Calm Calm - 0.00 in Snow Light Snow
6:11 PM 19.4 °F - 17.6 °F 93% 29.80 in 3.0 mi Calm Calm - 0.00 in Snow Light Snow
6:54 PM 19.9 °F 14.9 °F 17.1 °F 89% 29.99 in 4.0 mi East 3.5 mph - 0.00 in Snow Light Snow
7:54 PM 19.9 °F 14.9 °F 17.1 °F 89% 29.98 in 4.0 mi ESE 3.5 mph - 0.00 in Snow Light Snow
8:54 PM 19.0 °F 12.3 °F 17.1 °F 92% 29.98 in 4.0 mi SE 4.6 mph - 0.01 in Snow Light Snow
9:54 PM 19.0 °F 12.3 °F 17.1 °F 92% 29.98 in 3.0 mi SE 4.6 mph - 0.00 in Snow Light Snow
10:54 PM 18.0 °F - 16.0 °F 92% 29.99 in 9.0 mi Calm Calm - 0.00 in   Overcast
11:54 PM 17.1 °F 11.7 °F 15.1 °F 92% 29.99 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy