Weather History for Lewistown, MT

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Monday, October 1, 2012

  Actual Average Record
Temperature  
Mean Temperature 57 °F 49 °F  
Max Temperature 76 °F 62 °F 90 °F (2011)
Min Temperature 37 °F 35 °F 15 °F (1950)
Degree Days  
Heating Degree Days 8 16  
Month to date heating degree days 8 16  
Since 1 July heating degree days 290 493  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 314 210  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 52    
Maximum Humidity 85    
Minimum Humidity 18    
Precipitation  
Precipitation 0.00 in 0.05 in 0.51 in (1989)
Month to date precipitation 0.00 0.05  
Year to date precipitation 12.85 14.40  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 20 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 01, 2012 Rise Set
Actual Time 7:17 AM MDT 6:56 PM MDT
Civil Twilight 6:47 AM MDT 7:26 PM MDT
Nautical Twilight 6:11 AM MDT 8:01 PM MDT
Astronomical Twilight 5:35 AM MDT 8:37 PM MDT
Moon 7:24 PM MDT (10/1) 8:59 AM MDT (10/1)
Length of Visible Light 12h 39m
Length of Day
11h 38m
Full, 97% of the Moon is Illuminated
Oct 1
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

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 41.0 °F 37.1 °F 36.0 °F 82% 30.30 in 10.0 mi East 5.8 mph - N/A   Clear
1:54 AM 42.1 °F 38.4 °F 36.0 °F 79% 30.30 in 10.0 mi SE 5.8 mph - N/A   Clear
2:54 AM 41.0 °F 36.4 °F 35.1 °F 79% 30.28 in 10.0 mi SE 6.9 mph - N/A   Unknown
3:54 AM 37.0 °F 31.6 °F 33.1 °F 86% 30.28 in 10.0 mi ESE 6.9 mph - N/A   Clear
4:54 AM 39.0 °F 34.0 °F 34.0 °F 82% 30.26 in 10.0 mi SSE 6.9 mph - N/A   Clear
7:54 AM 39.9 °F 35.8 °F 34.0 °F 79% 30.25 in 10.0 mi ESE 5.8 mph - N/A   Clear
8:54 AM 48.9 °F - 37.0 °F 64% 30.21 in 10.0 mi East 4.6 mph - N/A   Clear
9:51 AM 64.4 °F - 33.8 °F 32% 30.20 in 10.0 mi SW 16.1 mph - N/A   Clear
9:54 AM 64.0 °F - 34.0 °F 33% 30.15 in 10.0 mi SW 18.4 mph - N/A   Clear
10:54 AM 66.9 °F - 32.0 °F 27% 30.13 in 10.0 mi WSW 19.6 mph - N/A   Clear
12:54 PM 73.0 °F - 30.9 °F 21% 30.06 in 10.0 mi West 12.7 mph 21.9 mph N/A   Clear
1:54 PM 73.0 °F - 30.0 °F 20% 30.01 in 10.0 mi WNW 5.8 mph - N/A   Clear
2:54 PM 73.9 °F - 28.9 °F 19% 29.99 in 10.0 mi WNW 5.8 mph 18.4 mph N/A   Clear
3:54 PM 75.9 °F - 28.9 °F 18% 29.95 in 10.0 mi NW 10.4 mph 16.1 mph N/A   Clear
5:54 PM 73.0 °F - 28.9 °F 20% 29.91 in 10.0 mi NNW 4.6 mph - N/A   Clear