Weather History for Lewistown, MT

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Thursday, September 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F 53 °F  
Max Temperature 59 °F 67 °F 92 °F (1938)
Min Temperature 38 °F 40 °F 22 °F (1983)
Degree Days  
Heating Degree Days 16 12  
Month to date heating degree days 61 165  
Since 1 July heating degree days 100 323  
Cooling Degree Days 0 0  
Month to date cooling degree days 47 13  
Year to date cooling degree days 277 209  
Moisture  
Dew Point 36 °F    
Average Humidity 64    
Maximum Humidity 92    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in 0.05 in 1.04 in (1925)
Month to date precipitation 1.39 0.88  
Year to date precipitation 19.45 13.88  
Snow  
Snow 0.00 in - - ()
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Sep. 19, 2013 Rise Set
Actual Time 7:01 AM MDT 7:20 PM MDT
Civil Twilight 6:30 AM MDT 7:51 PM MDT
Nautical Twilight 5:54 AM MDT 8:27 PM MDT
Astronomical Twilight 5:17 AM MDT 9:04 PM MDT
Moon 7:15 PM MDT (9/19) 7:17 AM MDT (9/19)
Length of Visible Light 13h 20m
Length of Day
12h 19m
Full, 100% of the Moon is Illuminated
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
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 39.9 °F 31.8 °F 37.0 °F 89% 30.06 in 10.0 mi WNW 15.0 mph 21.9 mph 0.00 in   Overcast
1:54 AM 39.9 °F 31.8 °F 36.0 °F 86% 30.08 in 10.0 mi WNW 15.0 mph 20.7 mph N/A   Overcast
2:54 AM 39.9 °F 33.4 °F 36.0 °F 86% 30.11 in 10.0 mi West 10.4 mph - N/A   Overcast
3:54 AM 39.9 °F 31.8 °F 36.0 °F 86% 30.12 in 10.0 mi West 15.0 mph - N/A   Overcast
4:34 AM 39.2 °F 31.2 °F 35.6 °F 87% 30.11 in 10.0 mi West 13.8 mph - N/A   Overcast
4:47 AM 39.2 °F 30.8 °F 35.6 °F 87% 30.11 in 10.0 mi West 15.0 mph - N/A   Overcast
4:54 AM 39.0 °F 30.6 °F 36.0 °F 89% 30.12 in 10.0 mi West 15.0 mph - N/A   Overcast
5:54 AM 39.9 °F 36.7 °F 36.0 °F 86% 30.12 in 10.0 mi WNW 4.6 mph - N/A   Overcast
6:14 AM 39.2 °F 37.0 °F 35.6 °F 87% 30.12 in 10.0 mi WNW 3.5 mph - N/A   Overcast
6:26 AM 39.2 °F 35.9 °F 35.6 °F 87% 30.13 in 10.0 mi WNW 4.6 mph - N/A   Overcast
6:54 AM 39.9 °F 36.7 °F 36.0 °F 86% 30.15 in 10.0 mi NW 4.6 mph - N/A   Overcast
7:54 AM 41.0 °F 37.1 °F 37.0 °F 86% 30.17 in 10.0 mi West 5.8 mph - N/A   Overcast
8:54 AM 42.1 °F 39.2 °F 37.0 °F 82% 30.20 in 10.0 mi SW 4.6 mph - N/A   Overcast
9:54 AM 45.0 °F 41.8 °F 37.0 °F 74% 30.19 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
10:54 AM 48.0 °F - 37.9 °F 68% 30.19 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
11:54 AM 51.1 °F - 39.0 °F 63% 30.18 in 10.0 mi WNW 8.1 mph 17.3 mph N/A   Clear
12:54 PM 54.0 °F - 39.0 °F 57% 30.16 in 10.0 mi West 9.2 mph 17.3 mph N/A   Clear
1:54 PM 55.9 °F - 39.0 °F 53% 30.14 in 10.0 mi NW 10.4 mph 17.3 mph N/A   Scattered Clouds
2:54 PM 57.0 °F - 35.1 °F 44% 30.14 in 10.0 mi NW 8.1 mph - N/A   Clear
3:54 PM 59.0 °F - 32.0 °F 36% 30.13 in 10.0 mi WNW 10.4 mph 16.1 mph N/A   Clear
4:54 PM 59.0 °F - 32.0 °F 36% 30.13 in 10.0 mi Variable 3.5 mph - N/A   Clear
5:54 PM 59.0 °F - 32.0 °F 36% 30.12 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 57.0 °F - 32.0 °F 39% 30.12 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 52.0 °F - 34.0 °F 50% 30.12 in 10.0 mi SE 3.5 mph - N/A   Clear
8:54 PM 43.0 °F 41.3 °F 37.0 °F 80% 30.16 in 10.0 mi ESE 3.5 mph - N/A   Clear
9:54 PM 42.1 °F 37.1 °F 36.0 °F 79% 30.14 in 10.0 mi ESE 8.1 mph - N/A   Clear
10:54 PM 41.0 °F 35.8 °F 36.0 °F 82% 30.13 in 10.0 mi ESE 8.1 mph - N/A   Clear
11:54 PM 39.9 °F - 35.1 °F 83% 30.12 in 10.0 mi Calm Calm - N/A   Clear