Weather History for Lewistown, MT

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Saturday, January 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 27 °F 23 °F  
Max Temperature 38 °F 34 °F 57 °F (2012)
Min Temperature 15 °F 12 °F -28 °F (1909)
Degree Days  
Heating Degree Days 38 42  
Month to date heating degree days 200 210  
Since 1 July heating degree days 3404 3632  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 15 °F    
Average Humidity 64    
Maximum Humidity 84    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.02 in 0.21 in (1980)
Month to date precipitation T 0.10  
Year to date precipitation T 0.10  
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 5 mph (SSE)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jan. 05, 2013 Rise Set
Actual Time 8:03 AM MST 4:43 PM MST
Civil Twilight 7:28 AM MST 5:18 PM MST
Nautical Twilight 6:49 AM MST 5:57 PM MST
Astronomical Twilight 6:13 AM MST 6:34 PM MST
Moon 1:00 AM MST (1/5) 11:47 AM MST (1/5)
Length of Visible Light 9h 50m
Length of Day
8h 40m
Last Quarter, 43% of the Moon is Illuminated
Jan 5
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
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 30.0 °F 26.5 °F 21.9 °F 72% 30.19 in 10.0 mi West 3.5 mph - N/A   Overcast
1:54 AM 30.9 °F 21.7 °F 23.0 °F 72% 30.19 in 10.0 mi WNW 11.5 mph - N/A   Overcast
2:54 AM 28.0 °F 18.6 °F 21.9 °F 78% 30.23 in 10.0 mi West 10.4 mph - N/A   Overcast
3:54 AM 23.0 °F 11.1 °F 18.0 °F 81% 30.27 in 10.0 mi WSW 12.7 mph - N/A   Clear
4:54 AM 19.0 °F 6.8 °F 15.1 °F 85% 30.28 in 10.0 mi SW 11.5 mph - N/A   Clear
6:54 AM 21.9 °F - 14.0 °F 72% 30.30 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 25.0 °F - 16.0 °F 69% 30.29 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 24.1 °F - 15.1 °F 69% 30.30 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 30.0 °F - 17.1 °F 59% 30.28 in 10.0 mi Calm Calm - N/A   Clear
11:54 AM 32.0 °F - 18.0 °F 56% 30.27 in 10.0 mi Calm Calm - N/A   Clear
12:54 PM 34.0 °F 31.0 °F 19.9 °F 56% 30.24 in 10.0 mi ESE 3.5 mph - N/A   Clear
1:54 PM 36.0 °F 33.3 °F 19.9 °F 52% 30.20 in 10.0 mi SSW 3.5 mph - N/A   Clear
2:54 PM 37.0 °F - 17.1 °F 44% 30.19 in 10.0 mi Calm Calm - N/A   Clear
4:54 PM 30.9 °F 27.5 °F 16.0 °F 54% 30.23 in 10.0 mi SSE 3.5 mph - N/A   Clear
5:54 PM 23.0 °F 14.7 °F 12.9 °F 65% 30.23 in 10.0 mi SE 6.9 mph - N/A   Clear
6:54 PM 23.0 °F 14.7 °F 12.0 °F 63% 30.20 in 10.0 mi SE 6.9 mph - N/A   Clear
7:54 PM 24.1 °F 13.7 °F 12.0 °F 60% 30.17 in 10.0 mi SE 10.4 mph - N/A   Clear
8:54 PM 18.0 °F 7.7 °F 8.1 °F 65% 30.18 in 10.0 mi ESE 8.1 mph - N/A   Clear
9:54 PM 18.0 °F 8.7 °F 8.1 °F 65% 30.16 in 10.0 mi SE 6.9 mph - N/A   Clear
10:54 PM 19.0 °F 9.0 °F 7.0 °F 59% 30.11 in 10.0 mi SE 8.1 mph - N/A   Clear
11:54 PM 19.0 °F 9.0 °F 7.0 °F 59% 30.08 in 10.0 mi ESE 8.1 mph - N/A   Clear