Weather History for Lewistown, MT

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Thursday, September 8, 2011

  Actual Average Record
Temperature  
Mean Temperature 68 °F 58 °F  
Max Temperature 86 °F 72 °F 95 °F (1979)
Min Temperature 49 °F 43 °F 19 °F (1929)
Degree Days  
Heating Degree Days 0 8  
Month to date heating degree days 51 55  
Since 1 July heating degree days 116 213  
Cooling Degree Days 3 1  
Month to date cooling degree days 4 8  
Year to date cooling degree days 200 204  
Growing Degree Days 17 (Base 50)    
Moisture  
Dew Point 31 °F    
Average Humidity 34    
Maximum Humidity 54    
Minimum Humidity 13    
Precipitation  
Precipitation 0.00 in 0.05 in 1.37 in (1896)
Month to date precipitation 0.02 0.39  
Year to date precipitation 18.61 13.39  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 7 mph (ESE)    
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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Astronomy

Sep. 08, 2011 Rise Set
Actual Time 6:46 AM MDT 7:44 PM MDT
Civil Twilight 6:15 AM MDT 8:15 PM MDT
Nautical Twilight 5:37 AM MDT 8:52 PM MDT
Astronomical Twilight 4:58 AM MDT 9:31 PM MDT
Moon 5:49 PM MDT (9/8) 2:55 AM MDT (9/8)
Length of Visible Light 14h 00m
Length of Day
12h 58m
Waxing Gibbous, 88% of the Moon is Illuminated
Sep 8
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 57.0 °F 33.1 °F 40% 30.22 in 10.0 mi ESE 4.6 mph - N/A   Clear
1:54 AM 54.0 °F 32.0 °F 43% 30.24 in 10.0 mi ESE 6.9 mph - N/A   Clear
2:54 AM 54.0 °F 30.9 °F 41% 30.23 in 10.0 mi SE 6.9 mph - N/A   Clear
3:54 AM 53.1 °F 30.9 °F 43% 30.23 in 10.0 mi SE 8.1 mph - N/A   Clear
4:54 AM 52.0 °F 30.9 °F 45% 30.23 in 10.0 mi SE 6.9 mph - N/A   Clear
6:54 AM 50.0 °F 32.0 °F 50% 30.26 in 10.0 mi SE 8.1 mph - N/A   Clear
7:54 AM 55.0 °F 33.1 °F 43% 30.27 in 10.0 mi SE 6.9 mph - N/A   Clear
8:54 AM 63.0 °F 37.0 °F 38% 30.26 in 10.0 mi ESE 5.8 mph - N/A   Clear
9:54 AM 73.0 °F 37.0 °F 27% 30.24 in 10.0 mi East 4.6 mph - N/A   Clear
10:54 AM 81.0 °F 33.1 °F 18% 30.21 in 10.0 mi ESE 9.2 mph - N/A   Clear
11:54 AM 82.9 °F 28.0 °F 14% 30.20 in 10.0 mi ESE 8.1 mph - N/A   Clear
12:54 PM 82.9 °F 28.0 °F 14% 30.19 in 10.0 mi East 8.1 mph - N/A   Clear
1:54 PM 84.0 °F 28.0 °F 13% 30.18 in 10.0 mi Calm Calm - N/A   Clear
3:54 PM 84.0 °F 28.0 °F 13% 30.15 in 10.0 mi Calm Calm - N/A   Clear
4:54 PM 84.0 °F 28.0 °F 13% 30.14 in 10.0 mi East 11.5 mph - N/A   Clear
5:54 PM 82.9 °F 28.0 °F 14% 30.15 in 10.0 mi East 11.5 mph - N/A   Clear
6:54 PM 80.1 °F 28.0 °F 15% 30.16 in 10.0 mi East 8.1 mph - N/A   Clear
7:54 PM 72.0 °F 30.0 °F 21% 30.17 in 10.0 mi ESE 4.6 mph - N/A   Clear
8:54 PM 64.0 °F 32.0 °F 30% 30.19 in 10.0 mi SE 6.9 mph - N/A   Clear
9:54 PM 62.1 °F 33.1 °F 34% 30.18 in 10.0 mi SE 3.5 mph - N/A   Clear
10:54 PM 57.0 °F 34.0 °F 42% 30.19 in 10.0 mi SE 8.1 mph - N/A   Clear
11:54 PM 55.9 °F 33.1 °F 42% 30.18 in 10.0 mi ESE 6.9 mph - N/A   Clear