Weather History for Lewistown, MT

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Thursday, December 8, 2011

  Actual Average Record
Temperature  
Mean Temperature 13 °F 24 °F  
Max Temperature 24 °F 35 °F 66 °F (1930)
Min Temperature 2 °F 13 °F -32 °F (1972)
Degree Days  
Heating Degree Days 52 41  
Month to date heating degree days 374 321  
Since 1 July heating degree days 2204 2449  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 215 210  
Moisture  
Dew Point 8 °F    
Average Humidity 77    
Maximum Humidity 91    
Minimum Humidity 62    
Precipitation  
Precipitation T in 0.02 in 0.30 in (2012)
Month to date precipitation 0.05 0.17  
Year to date precipitation 22.00 16.36  
Snow  
Snow 0.00 in - - ()
Snow Depth 2.00 in    
Sea Level Pressure  
Sea Level Pressure 30.30 in    
Wind  
Wind Speed 5 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 08, 2011 Rise Set
Actual Time 7:50 AM MST 4:28 PM MST
Civil Twilight 7:15 AM MST 5:03 PM MST
Nautical Twilight 6:36 AM MST 5:42 PM MST
Astronomical Twilight 6:00 AM MST 6:19 PM MST
Moon 3:10 PM MST (12/8) 6:04 AM MST (12/8)
Length of Visible Light 9h 48m
Length of Day
8h 37m
Waxing Gibbous, 97% of the Moon is Illuminated
Dec 8
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Dec 31
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 12.9 °F 1.6 °F 6.1 °F 74% 30.39 in 10.0 mi WNW 8.1 mph - N/A   Overcast
1:54 AM 12.0 °F 4.1 °F 6.1 °F 77% 30.38 in 10.0 mi WSW 4.6 mph - N/A   Overcast
2:54 AM 12.0 °F 2.7 °F 5.0 °F 73% 30.39 in 10.0 mi West 5.8 mph - N/A   Overcast
3:54 AM 10.9 °F 2.9 °F 6.1 °F 81% 30.38 in 10.0 mi SW 4.6 mph - N/A   Overcast
4:54 AM 10.0 °F -0.9 °F 5.0 °F 80% 30.36 in 10.0 mi SSW 6.9 mph - N/A   Overcast
5:54 AM 12.0 °F 4.1 °F 7.0 °F 80% 30.36 in 10.0 mi SSW 4.6 mph - N/A   Overcast
6:20 AM 12.2 °F 4.3 °F 6.8 °F 79% 30.19 in 10.0 mi SSW 4.6 mph - N/A   Overcast
6:54 AM 12.9 °F 6.9 °F 6.1 °F 74% 30.35 in 10.0 mi South 3.5 mph - N/A   Overcast
8:22 AM 8.6 °F - 6.8 °F 92% 30.15 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:54 AM 3.9 °F -3.4 °F 1.9 °F 91% 30.35 in 10.0 mi SW 3.5 mph - N/A   Clear
9:54 AM 10.0 °F - 5.0 °F 80% 30.32 in 9.0 mi Calm Calm - 0.00 in   Clear
10:54 AM 12.0 °F 4.1 °F 6.1 °F 77% 30.30 in 10.0 mi ESE 4.6 mph - N/A   Clear
11:54 AM 18.0 °F 12.7 °F 8.1 °F 65% 30.25 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
12:54 PM 19.9 °F - 9.0 °F 62% 30.22 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:54 PM 21.0 °F - 12.0 °F 68% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
2:54 PM 23.0 °F 15.8 °F 12.0 °F 63% 30.19 in 10.0 mi West 5.8 mph - N/A   Overcast
3:54 PM 21.0 °F 10.6 °F 12.9 °F 71% 30.22 in 10.0 mi West 9.2 mph - N/A   Overcast
6:54 PM 19.9 °F 7.3 °F 10.9 °F 68% 30.26 in 10.0 mi West 12.7 mph - N/A   Overcast
7:54 PM 19.9 °F 7.3 °F 12.0 °F 71% 30.28 in 10.0 mi West 12.7 mph - N/A   Overcast
8:54 PM 19.9 °F 8.6 °F 12.0 °F 71% 30.33 in 10.0 mi West 10.4 mph - N/A   Overcast
9:54 PM 18.0 °F 7.7 °F 10.9 °F 74% 30.33 in 10.0 mi West 8.1 mph - N/A   Overcast
10:54 PM 17.1 °F 7.6 °F 10.0 °F 74% 30.34 in 10.0 mi South 6.9 mph - N/A   Overcast
11:54 PM 19.0 °F - 8.1 °F 62% 30.32 in 10.0 mi Calm Calm - N/A   Overcast