Weather History for Lewistown, MT

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Friday, December 23, 2011

  Actual Average Record
Temperature  
Mean Temperature 34 °F 22 °F  
Max Temperature 43 °F 33 °F 60 °F (1994)
Min Temperature 24 °F 12 °F -37 °F (1983)
Degree Days  
Heating Degree Days 31 43  
Month to date heating degree days 926 954  
Since 1 July heating degree days 2756 3082  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 215 210  
Moisture  
Dew Point 13 °F    
Average Humidity 45    
Maximum Humidity 58    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.02 in 0.88 in (1977)
Month to date precipitation 0.16 0.48  
Year to date precipitation 22.11 16.67  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 13 mph (SW)    
Max Wind Speed 24 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 23, 2011 Rise Set
Actual Time 8:01 AM MST 4:32 PM MST
Civil Twilight 7:26 AM MST 5:07 PM MST
Nautical Twilight 6:47 AM MST 5:46 PM MST
Astronomical Twilight 6:10 AM MST 6:23 PM MST
Moon 6:55 AM MST 3:43 PM MST
Length of Visible Light 9h 41m
Length of Day
8h 30m
Waning Crescent, 1% of the Moon is Illuminated
Dec 23
Waning Crescent
Dec 24
New
Dec 31
First Quarter
Jan 9
Full
Jan 16
Last 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 26.1 °F 15.6 °F 10.9 °F 53% 30.26 in 10.0 mi SW 11.5 mph - N/A   Clear
1:54 AM 27.0 °F 16.7 °F 12.0 °F 53% 30.25 in 10.0 mi SSW 11.5 mph - N/A   Clear
2:54 AM 28.0 °F 18.6 °F 12.0 °F 51% 30.25 in 10.0 mi SSW 10.4 mph - N/A   Clear
3:54 AM 28.9 °F 18.6 °F 12.9 °F 51% 30.23 in 10.0 mi SW 12.7 mph - N/A   Clear
4:54 AM 30.0 °F 19.5 °F 15.1 °F 54% 30.24 in 10.0 mi SW 13.8 mph - N/A   Clear
5:54 AM 30.0 °F 20.0 °F 12.9 °F 49% 30.24 in 10.0 mi SSW 12.7 mph - N/A   Clear
6:54 AM 30.9 °F 20.7 °F 8.1 °F 38% 30.23 in 10.0 mi SSW 13.8 mph - N/A   Clear
7:54 AM 28.9 °F 17.3 °F 8.1 °F 41% 30.24 in 10.0 mi SW 16.1 mph - N/A   Clear
8:54 AM 33.1 °F 23.0 °F 8.1 °F 35% 30.23 in 10.0 mi SW 15.0 mph - N/A   Clear
9:54 AM 35.1 °F 25.2 °F 10.0 °F 35% 30.22 in 10.0 mi WSW 16.1 mph - N/A   Clear
10:54 AM 37.9 °F 28.5 °F 10.9 °F 33% 30.22 in 10.0 mi WSW 17.3 mph - N/A   Clear
11:54 AM 41.0 °F 33.5 °F 16.0 °F 36% 30.17 in 10.0 mi West 13.8 mph - N/A   Clear
12:54 PM 43.0 °F 37.7 °F 16.0 °F 34% 30.15 in 10.0 mi West 9.2 mph 20.7 mph N/A   Clear
1:54 PM 39.0 °F - 18.0 °F 43% 30.15 in 10.0 mi North - - N/A   Clear
2:54 PM 39.0 °F 31.8 °F 16.0 °F 39% 30.19 in 10.0 mi WNW 11.5 mph - N/A   Clear
3:54 PM 36.0 °F 26.0 °F 17.1 °F 46% 30.21 in 10.0 mi WSW 17.3 mph - N/A   Clear
4:54 PM 34.0 °F 26.6 °F 15.1 °F 46% 30.22 in 10.0 mi West 9.2 mph - N/A   Clear
6:54 PM 27.0 °F 17.3 °F 12.9 °F 56% 30.30 in 10.0 mi SW 10.4 mph - N/A   Clear
7:54 PM 27.0 °F - 14.0 °F 58% 30.34 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 30.9 °F 22.2 °F 14.0 °F 50% 30.32 in 10.0 mi SW 10.4 mph - N/A   Clear
9:54 PM 30.9 °F 20.2 °F 14.0 °F 50% 30.31 in 10.0 mi SSW 15.0 mph - N/A   Clear
10:54 PM 28.9 °F 18.6 °F 15.1 °F 56% 30.31 in 10.0 mi WSW 12.7 mph - N/A   Clear
11:54 PM 30.0 °F 20.5 °F 14.0 °F 51% 30.29 in 10.0 mi SW 11.5 mph - N/A   Clear