Weather History for Lewistown, MT

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Tuesday, September 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F 51 °F  
Max Temperature 77 °F 65 °F 92 °F (1922)
Min Temperature 43 °F 37 °F 13 °F (1926)
Degree Days  
Heating Degree Days 5 14  
Month to date heating degree days 171 244  
Since 1 July heating degree days 243 402  
Cooling Degree Days 0 0  
Month to date cooling degree days 7 13  
Year to date cooling degree days 314 209  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 39    
Maximum Humidity 58    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.04 in 0.62 in (1924)
Month to date precipitation 0.02 1.14  
Year to date precipitation 12.85 14.14  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 4 mph (ESE)    
Max Wind Speed 8 mph    
Max Gust Speed -    
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

Sep. 25, 2012 Rise Set
Actual Time 7:09 AM MDT 7:08 PM MDT
Civil Twilight 6:39 AM MDT 7:38 PM MDT
Nautical Twilight 6:03 AM MDT 8:14 PM MDT
Astronomical Twilight 5:26 AM MDT 8:50 PM MDT
Moon 4:48 PM MDT (9/25) 2:18 AM MDT (9/25)
Length of Visible Light 12h 59m
Length of Day
11h 58m
Waxing Gibbous, 80% of the Moon is Illuminated
Sep 25
Waxing Gibbous
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 48.0 °F - 30.9 °F 52% 29.89 in 10.0 mi SSE 5.8 mph - N/A   Clear
1:54 AM 46.9 °F - 30.9 °F 54% 29.88 in 10.0 mi SE 6.9 mph - N/A   Clear
2:54 AM 46.0 °F 43.1 °F 32.0 °F 58% 29.88 in 10.0 mi SSE 5.8 mph - N/A   Clear
3:54 AM 46.0 °F - 30.9 °F 56% 29.87 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 44.1 °F 41.5 °F 30.9 °F 60% 29.87 in 10.0 mi SSE 4.6 mph - N/A   Clear
5:54 AM 45.0 °F 42.6 °F 30.9 °F 58% 29.88 in 10.0 mi SSE 4.6 mph - N/A   Clear
6:54 AM 44.1 °F 41.5 °F 30.9 °F 60% 29.91 in 10.0 mi SSE 4.6 mph - N/A   Clear
7:54 AM 44.1 °F 42.5 °F 30.9 °F 60% 29.93 in 10.0 mi SE 3.5 mph - N/A   Clear
8:31 AM 48.2 °F - 33.8 °F 58% 29.97 in 10.0 mi SE 5.8 mph - N/A   Partly Cloudy
8:54 AM 50.0 °F - 34.0 °F 54% 29.94 in 10.0 mi SE 4.6 mph - N/A   Clear
9:54 AM 57.9 °F - 34.0 °F 41% 29.93 in 10.0 mi Calm Calm - N/A   Clear
10:54 AM 66.0 °F - 33.1 °F 29% 29.91 in - Calm Calm - N/A   Clear
11:54 AM 69.1 °F - 33.1 °F 26% 29.91 in 10.0 mi Variable 3.5 mph - N/A   Unknown
1:54 PM 73.0 °F - 33.1 °F 23% 29.88 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:54 PM 77.0 °F - 32.0 °F 19% 29.86 in 10.0 mi North 4.6 mph - N/A   Clear
4:54 PM 75.0 °F - 33.1 °F 22% 29.88 in 10.0 mi North 6.9 mph - N/A   Clear
5:54 PM 72.0 °F - 35.1 °F 26% 29.89 in 10.0 mi North 8.1 mph - N/A   Clear
6:54 PM 66.9 °F - 34.0 °F 30% 29.91 in 10.0 mi NNE 4.6 mph - N/A   Clear
7:54 PM 63.0 °F - 34.0 °F 34% 29.94 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 57.0 °F - 34.0 °F 42% 29.95 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 57.0 °F - 34.0 °F 42% 29.94 in 10.0 mi SE 5.8 mph - N/A   Clear