Great Falls, MT

6:34 AM MST on January 23, 2017 (GMT -0700)
Great Falls International

Weather History for KGTF - December, 2011

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Thursday, December 8, 2011

  Actual Average Record
Temperature  
Mean Temperature 18 °F 26 °F  
Max Temperature 32 °F 35 °F 61 °F (1940)
Min Temperature 3 °F 16 °F -36 °F (1972)
Degree Days  
Heating Degree Days 47 40  
Month to date heating degree days 328 310  
Since 1 July heating degree days 1940 2279  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 365 298  
Moisture  
Dew Point 10 °F    
Average Humidity 77    
Maximum Humidity 96    
Minimum Humidity 58    
Precipitation  
Precipitation T in 0.01 in 0.48 in (1907)
Month to date precipitation 0.05 0.14  
Year to date precipitation 16.25 14.34  
Snow  
Snow T in 0.30 in 5.70 in (2012)
Month to date snowfall 1.4 2.3  
Since 1 July snowfall 6.9 16.0  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.33 in    
Wind  
Wind Speed 4 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 8 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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Date:

Astronomy

Dec. 08, 2011 Rise Set
Actual Time 8:00 AM MST 4:34 PM MST
Civil Twilight 7:24 AM MST 5:10 PM MST
Nautical Twilight 6:45 AM MST 5:49 PM MST
Astronomical Twilight 6:08 AM MST 6:26 PM MST
Moon 3:17 PM MST (12/8) 6:13 AM MST (12/8)
Length of Visible Light 9h 45m
Length of Day
8h 34m
Waxing Gibbous, 97% of the Moon is Illuminated
Dec 8
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 14.0 °F 8.2 °F 12.0 °F 92% 30.45 in 10.0 mi West 3.5 mph - N/A   Overcast
1:53 AM 14.0 °F - 12.0 °F 92% 30.41 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 12.9 °F - 10.9 °F 92% 30.43 in 10.0 mi Calm Calm - N/A   Overcast
3:53 AM 10.0 °F - 9.0 °F 95% 30.43 in 10.0 mi Calm Calm - N/A   Overcast
4:44 AM 8.6 °F - 6.8 °F 92% 30.21 in 1.8 mi Calm Calm - N/A   Partly Cloudy
4:53 AM 8.1 °F - 6.1 °F 92% 30.42 in 1.2 mi Calm Calm - N/A   Clear
4:59 AM 8.6 °F - 6.8 °F 92% 30.21 in 2.0 mi Calm Calm - N/A   Clear
5:06 AM 6.8 °F - 5.0 °F 92% 30.21 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 5.0 °F -2.1 °F 1.9 °F 87% 30.42 in 10.0 mi ESE 3.5 mph - N/A   Clear
6:53 AM 5.0 °F -2.1 °F 1.9 °F 87% 30.41 in 9.0 mi ESE 3.5 mph - N/A   Clear
7:14 AM 3.2 °F -4.2 °F 1.4 °F 92% 30.17 in 1.5 mi ESE 3.5 mph - N/A   Clear
7:21 AM 3.2 °F -4.2 °F -0.4 °F 85% 30.17 in 5.0 mi ESE 3.5 mph - N/A   Clear
7:30 AM 6.8 °F -0.1 °F 5.0 °F 92% 30.17 in 5.0 mi ESE 3.5 mph - N/A   Scattered Clouds
7:53 AM 6.1 °F - 3.0 °F 87% 30.40 in 5.0 mi Calm Calm - N/A   Scattered Clouds
8:53 AM 8.1 °F 1.4 °F 3.9 °F 83% 30.38 in 10.0 mi SSE 3.5 mph - N/A   Clear
9:53 AM 14.0 °F 6.5 °F 10.9 °F 88% 30.34 in 10.0 mi WSW 4.6 mph - N/A   Clear
10:53 AM 17.1 °F 7.6 °F 12.9 °F 84% 30.31 in 10.0 mi SW 6.9 mph - N/A   Clear
11:53 AM 24.1 °F 13.7 °F 15.1 °F 69% 30.28 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
12:53 PM 26.1 °F 17.6 °F 17.1 °F 69% 30.25 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
2:53 PM 30.9 °F 27.5 °F 17.1 °F 57% 30.25 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
3:53 PM 26.1 °F 21.9 °F 18.0 °F 71% 30.29 in 10.0 mi Variable 3.5 mph - N/A   Overcast
4:53 PM 21.9 °F 14.5 °F 18.0 °F 85% 30.34 in 10.0 mi North 5.8 mph - N/A   Overcast
5:53 PM 21.0 °F 14.6 °F 17.1 °F 85% 30.36 in 10.0 mi South 4.6 mph - N/A   Overcast
6:53 PM 19.0 °F 11.1 °F 16.0 °F 88% 30.40 in 10.0 mi WNW 5.8 mph - N/A   Overcast
7:53 PM 21.2 °F 13.6 °F 15.8 °F 80% 30.16 in 10.0 mi SW 5.8 mph - N/A   Overcast
8:53 PM 21.0 °F 13.4 °F 14.0 °F 74% 30.40 in 10.0 mi WSW 5.8 mph - N/A   Overcast
9:53 PM 21.0 °F 14.6 °F 16.0 °F 81% 30.40 in 10.0 mi SW 4.6 mph - N/A   Overcast
10:53 PM 21.0 °F 14.6 °F 15.1 °F 78% 30.38 in 10.0 mi West 4.6 mph - N/A   Overcast
11:53 PM 19.0 °F 13.9 °F 14.0 °F 81% 30.38 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy