Weather History for Great Falls, MT

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Sunday, December 4, 2011

  Actual Average Record
Temperature  
Mean Temperature 19 °F 26 °F  
Max Temperature 29 °F 36 °F 62 °F (1987)
Min Temperature 8 °F 17 °F -23 °F (2013)
Degree Days  
Heating Degree Days 46 39  
Month to date heating degree days 160 153  
Since 1 July heating degree days 1772 2122  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 365 298  
Moisture  
Dew Point 13 °F    
Average Humidity 83    
Maximum Humidity 92    
Minimum Humidity 73    
Precipitation  
Precipitation T in 0.01 in 0.46 in (1978)
Month to date precipitation T 0.07  
Year to date precipitation 16.20 14.27  
Snow  
Snow 0.10 in 0.20 in 6.70 in (1958)
Month to date snowfall 0.1 1.1  
Since 1 July snowfall 5.6 14.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.50 in    
Wind  
Wind Speed 11 mph (NW)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 7 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 04, 2011 Rise Set
Actual Time 7:55 AM MST 4:35 PM MST
Civil Twilight 7:20 AM MST 5:10 PM MST
Nautical Twilight 6:41 AM MST 5:49 PM MST
Astronomical Twilight 6:04 AM MST 6:26 PM MST
Moon 1:23 PM MST (12/4) 2:05 AM MST (12/4)
Length of Visible Light 9h 50m
Length of Day
8h 39m
Waxing Gibbous, 72% of the Moon is Illuminated
Dec 4
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 28.0 °F 16.1 °F 23.0 °F 81% 30.27 in 10.0 mi North 16.1 mph 24.2 mph N/A   Overcast
1:03 AM 28.4 °F 17.5 °F 21.2 °F 74% 30.15 in 10.0 mi North 13.8 mph 21.9 mph N/A   Overcast
1:49 AM 26.6 °F 14.7 °F 21.2 °F 80% 30.17 in 10.0 mi North 15.0 mph - N/A   Overcast
1:53 AM 27.0 °F 14.7 °F 21.9 °F 81% 30.30 in 10.0 mi North 16.1 mph - N/A   Overcast
2:53 AM 25.0 °F 13.6 °F 21.0 °F 85% 30.36 in 10.0 mi North 12.7 mph - N/A   Overcast
3:09 AM 24.8 °F 13.4 °F 19.4 °F 80% 30.22 in 10.0 mi North 12.7 mph - N/A   Overcast
3:53 AM 24.1 °F 11.0 °F 18.0 °F 77% 30.41 in 10.0 mi North 16.1 mph - N/A   Overcast
4:53 AM 23.0 °F 10.6 °F 17.1 °F 78% 30.46 in 10.0 mi North 13.8 mph - N/A   Overcast
5:53 AM 21.9 °F 9.8 °F 15.1 °F 75% 30.51 in 10.0 mi North 12.7 mph - N/A   Overcast
6:03 AM 21.2 °F 9.5 °F 15.8 °F 80% 30.35 in 10.0 mi North 11.5 mph - N/A   Overcast
6:32 AM 21.2 °F 8.3 °F 15.8 °F 80% 30.36 in 10.0 mi North 13.8 mph - 0.00 in   Overcast
6:53 AM 19.0 °F 7.5 °F 15.1 °F 85% 30.55 in 10.0 mi NNE 10.4 mph - 0.00 in   Mostly Cloudy
7:07 AM 19.4 °F 8.6 °F 15.8 °F 86% 30.39 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
7:23 AM 19.4 °F 6.0 °F 15.8 °F 86% 30.41 in 10.0 mi North 13.8 mph - N/A   Overcast
7:38 AM 19.4 °F 6.0 °F 15.8 °F 86% 30.42 in 1.8 mi North 13.8 mph - 0.00 in Snow Light Snow
7:45 AM 19.4 °F 7.2 °F 15.8 °F 86% 30.42 in 3.0 mi North 11.5 mph - 0.00 in Snow Light Snow
7:53 AM 19.0 °F 9.0 °F 15.1 °F 85% 30.60 in 7.0 mi NNE 8.1 mph - 0.00 in   Overcast
8:20 AM 17.6 °F 5.0 °F 12.2 °F 79% 30.43 in 10.0 mi North 11.5 mph - N/A   Overcast
8:28 AM 17.6 °F 6.4 °F 12.2 °F 79% 30.44 in 10.0 mi North 9.2 mph - N/A   Overcast
8:53 AM 19.0 °F 5.6 °F 15.1 °F 85% 30.61 in 10.0 mi NNW 13.8 mph - N/A   Overcast
9:28 AM 19.4 °F 5.0 °F 12.2 °F 74% 30.46 in 10.0 mi NNW 16.1 mph - 0.00 in   Overcast
9:53 AM 19.9 °F 5.7 °F 14.0 °F 78% 30.64 in 10.0 mi NW 16.1 mph - 0.00 in   Overcast
10:22 AM 19.4 °F 6.6 °F 12.2 °F 74% 30.48 in 10.0 mi NNW 12.7 mph - N/A   Overcast
10:53 AM 19.0 °F 4.5 °F 12.0 °F 74% 30.66 in 10.0 mi NNW 16.1 mph - N/A   Overcast
11:24 AM 21.2 °F 8.9 °F 12.2 °F 68% 30.49 in 7.0 mi NNW 12.7 mph - N/A   Overcast
11:37 AM 19.4 °F 6.0 °F 12.2 °F 74% 30.49 in 1.8 mi NNW 13.8 mph - N/A Snow Light Snow
11:53 AM 19.9 °F 6.7 °F 12.9 °F 74% 30.66 in 1.8 mi NNW 13.8 mph - 0.00 in Snow Light Snow
12:20 PM 19.4 °F 5.0 °F 12.2 °F 74% 30.49 in 1.8 mi NW 16.1 mph - 0.00 in Snow Light Snow
12:28 PM 19.4 °F 6.6 °F 14.0 °F 80% 30.49 in 1.2 mi NNW 12.7 mph - 0.00 in Snow Light Snow
12:49 PM 19.4 °F 6.6 °F 12.2 °F 74% 30.49 in 1.5 mi NW 12.7 mph - 0.00 in Snow Light Snow
12:53 PM 19.0 °F 6.1 °F 12.9 °F 77% 30.67 in 1.5 mi NW 12.7 mph - 0.00 in Snow Light Snow
1:16 PM 19.4 °F 7.9 °F 12.2 °F 74% 30.49 in 3.0 mi NNW 10.4 mph - 0.00 in Snow Light Snow
1:45 PM 19.4 °F 8.6 °F 12.2 °F 74% 30.49 in 1.8 mi NW 9.2 mph - 0.00 in Snow Light Snow
1:53 PM 19.0 °F 7.5 °F 12.9 °F 77% 30.67 in 2.5 mi WNW 10.4 mph - 0.00 in Snow Light Snow
2:10 PM 19.4 °F 8.6 °F 12.2 °F 74% 30.48 in 3.0 mi WNW 9.2 mph - N/A   Haze
2:53 PM 19.9 °F 10.1 °F 12.0 °F 71% 30.68 in 5.0 mi NW 8.1 mph - 0.00 in   Haze
3:02 PM 19.4 °F 8.6 °F 12.2 °F 74% 30.49 in 2.0 mi WNW 9.2 mph - 0.00 in Snow Light Snow
3:07 PM 19.4 °F 8.6 °F 12.2 °F 74% 30.49 in 1.8 mi WNW 9.2 mph - 0.00 in Snow Light Snow
3:16 PM 19.4 °F 8.6 °F 12.2 °F 74% 30.49 in 2.5 mi WNW 9.2 mph - 0.00 in Snow Light Snow
3:30 PM 19.4 °F 10.4 °F 14.0 °F 80% 30.49 in 3.0 mi West 6.9 mph - 0.00 in Snow Light Snow
3:37 PM 19.4 °F 11.5 °F 14.0 °F 80% 30.49 in 10.0 mi West 5.8 mph - 0.00 in   Overcast
3:53 PM 19.0 °F 10.0 °F 14.0 °F 81% 30.69 in 10.0 mi West 6.9 mph - 0.00 in   Overcast
4:09 PM 19.4 °F 11.5 °F 12.2 °F 74% 30.49 in 10.0 mi West 5.8 mph - N/A   Overcast
4:51 PM 14.0 °F 5.1 °F 8.6 °F 79% 30.49 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
4:53 PM 14.0 °F 5.1 °F 9.0 °F 80% 30.70 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
5:53 PM 12.2 °F 6.1 °F 8.6 °F 85% 30.49 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
6:53 PM 8.1 °F -5.3 °F 5.0 °F 87% 30.72 in 10.0 mi SSW 9.2 mph - N/A   Clear
7:53 PM 10.9 °F -1.8 °F 8.1 °F 88% 30.70 in 10.0 mi SSW 9.2 mph - N/A   Clear
8:53 PM 10.0 °F -1.9 °F 7.0 °F 87% 30.68 in 10.0 mi SSW 8.1 mph - N/A   Clear
9:53 PM 10.0 °F -1.9 °F 6.1 °F 84% 30.67 in 10.0 mi SSW 8.1 mph - N/A   Clear
10:53 PM 10.9 °F -3.4 °F 6.1 °F 81% 30.64 in 10.0 mi SSW 11.5 mph - N/A   Clear
11:53 PM 9.0 °F -5.1 °F 3.9 °F 80% 30.61 in 10.0 mi SSW 10.4 mph - N/A   Clear