Weather History for Lewistown, MT

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Monday, December 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 10 °F 24 °F  
Max Temperature 28 °F 34 °F 65 °F (1990)
Min Temperature -8 °F 13 °F -36 °F (1919)
Degree Days  
Heating Degree Days 55 41  
Month to date heating degree days 543 362  
Since 1 July heating degree days 2521 2490  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 277 210  
Moisture  
Dew Point 5 °F    
Average Humidity 62    
Maximum Humidity 82    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.02 in 0.59 in (1949)
Month to date precipitation 0.29 0.19  
Year to date precipitation 22.12 16.38  
Snow  
Snow 0.00 in - - ()
Snow Depth 4.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 16 mph (WSW)    
Max Wind Speed 29 mph    
Max Gust Speed 38 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 09, 2013 Rise Set
Actual Time 7:52 AM MST 4:28 PM MST
Civil Twilight 7:16 AM MST 5:03 PM MST
Nautical Twilight 6:38 AM MST 5:42 PM MST
Astronomical Twilight 6:01 AM MST 6:19 PM MST
Moon 12:23 PM MST (12/9) No Moon Set
Length of Visible Light 9h 46m
Length of Day
8h 36m
First Quarter, 52% of the Moon is Illuminated
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
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 3.9 °F -14.3 °F -11.9 °F 48% 30.13 in 10.0 mi SW 15.0 mph - N/A   Clear
1:54 AM 3.9 °F -12.2 °F -11.9 °F 48% 30.10 in 10.0 mi SW 11.5 mph - N/A   Partly Cloudy
2:54 AM 6.1 °F -10.9 °F -11.9 °F 44% 30.09 in 10.0 mi WSW 13.8 mph - N/A   Partly Cloudy
3:54 AM 9.0 °F -10.0 °F -9.0 °F 44% 30.04 in 10.0 mi WSW 19.6 mph - N/A   Clear
4:54 AM 12.9 °F -3.4 °F -7.1 °F 41% 30.00 in 10.0 mi WSW 16.1 mph - N/A   Overcast
5:54 AM 16.0 °F -0.4 °F -0.9 °F 47% 29.99 in 10.0 mi WSW 18.4 mph - N/A   Overcast
6:54 AM 18.0 °F 2.6 °F 1.0 °F 48% 29.99 in 10.0 mi WSW 17.3 mph - N/A   Overcast
7:54 AM 21.0 °F 7.6 °F 3.0 °F 46% 29.98 in 10.0 mi WSW 15.0 mph 20.7 mph N/A   Overcast
8:54 AM 21.0 °F 8.1 °F 5.0 °F 50% 29.98 in 10.0 mi WSW 13.8 mph - N/A   Overcast
9:54 AM 23.0 °F 7.2 °F 9.0 °F 55% 29.96 in 10.0 mi WSW 23.0 mph - N/A   Overcast
10:54 AM 26.1 °F 11.6 °F 12.0 °F 55% 29.97 in 10.0 mi West 21.9 mph 31.1 mph N/A   Overcast
11:54 AM 26.1 °F 12.3 °F 14.0 °F 60% 30.03 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Overcast
12:54 PM 28.0 °F 14.3 °F 14.0 °F 56% 30.01 in 10.0 mi WNW 21.9 mph 29.9 mph N/A   Overcast
1:54 PM 27.0 °F 11.6 °F 12.9 °F 56% 30.03 in 6.0 mi WNW 26.5 mph 38.0 mph N/A   Haze
2:54 PM 27.0 °F 12.5 °F 12.9 °F 56% 30.04 in 10.0 mi WNW 23.0 mph 34.5 mph N/A   Overcast
3:54 PM 26.1 °F 11.3 °F 12.9 °F 58% 30.08 in 9.0 mi WNW 23.0 mph 33.4 mph N/A   Overcast
4:54 PM 25.0 °F 11.3 °F 12.9 °F 60% 30.09 in 10.0 mi WNW 18.4 mph 27.6 mph N/A   Overcast
5:54 PM 24.1 °F 13.1 °F 12.0 °F 60% 30.10 in 10.0 mi West 11.5 mph - N/A   Overcast
6:54 PM 23.0 °F 12.4 °F 10.0 °F 58% 30.09 in 10.0 mi WSW 10.4 mph - N/A   Overcast
7:54 PM 21.0 °F 10.6 °F 9.0 °F 60% 30.09 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
8:54 PM 17.1 °F 3.6 °F 7.0 °F 65% 30.08 in 10.0 mi SW 12.7 mph - N/A   Clear
9:54 PM 15.1 °F 5.2 °F 5.0 °F 64% 30.05 in 10.0 mi WSW 6.9 mph - N/A   Clear
10:54 PM 18.0 °F 4.8 °F 7.0 °F 62% 30.01 in 10.0 mi SW 12.7 mph - N/A   Clear
11:54 PM 19.0 °F 6.1 °F 9.0 °F 65% 29.99 in 10.0 mi SSW 12.7 mph - N/A   Clear