Weather History for Great Falls, MT

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Saturday, December 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 14 °F 26 °F  
Max Temperature 30 °F 35 °F 60 °F (1939)
Min Temperature -2 °F 16 °F -36 °F (1972)
Degree Days  
Heating Degree Days 51 40  
Month to date heating degree days 214 310  
Since 1 July heating degree days 1831 2279  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 484 298  
Moisture  
Dew Point 10 °F    
Average Humidity 82    
Maximum Humidity 87    
Minimum Humidity 76    
Precipitation  
Precipitation 0.21 in 0.01 in 0.48 in (1907)
Month to date precipitation 0.22 0.14  
Year to date precipitation 12.80 14.34  
Snow  
Snow 5.70 in 0.30 in 5.70 in (2012)
Month to date snowfall 5.7 2.3  
Since 1 July snowfall 27.4 16.0  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 33 mph    
Max Gust Speed 41 mph    
Visibility 3 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 08, 2012 Rise Set
Actual Time 8:00 AM MST 4:34 PM MST
Civil Twilight 7:25 AM MST 5:10 PM MST
Nautical Twilight 6:46 AM MST 5:49 PM MST
Astronomical Twilight 6:08 AM MST 6:26 PM MST
Moon 2:11 AM MST (12/8) 1:22 PM MST (12/8)
Length of Visible Light 9h 44m
Length of Day
8h 33m
Waning Crescent, 27% of the Moon is Illuminated
Dec 8
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:19 AM 28.4 °F 20.4 °F 24.8 °F 86% 29.58 in 10.0 mi WSW 8.1 mph - N/A   Overcast
12:35 AM 26.6 °F 21.2 °F 23.0 °F 86% 29.58 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
12:53 AM 26.1 °F 19.4 °F 21.9 °F 84% 29.68 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
1:53 AM 30.0 °F 21.7 °F 24.1 °F 79% 29.67 in 10.0 mi WSW 9.2 mph - N/A   Overcast
2:53 AM 30.0 °F 22.4 °F 24.1 °F 79% 29.70 in 3.0 mi WSW 8.1 mph - 0.00 in Snow Light Snow
3:01 AM 30.2 °F 21.9 °F 24.8 °F 80% 29.61 in 8.0 mi West 9.2 mph - 0.00 in Snow Light Snow
3:28 AM 28.4 °F 19.1 °F 24.8 °F 86% 29.61 in 2.0 mi West 10.4 mph - 0.00 in Snow Light Snow
3:35 AM 28.4 °F 19.1 °F 24.8 °F 86% 29.61 in 1.5 mi West 10.4 mph - 0.00 in Snow Light Snow
3:49 AM 28.4 °F 19.1 °F 24.8 °F 86% 29.62 in 0.8 mi West 10.4 mph - 0.01 in Snow Light Snow
3:50 AM 28.9 °F 19.8 °F 25.0 °F 85% 29.72 in 0.8 mi West 10.4 mph - 0.01 in Snow Light Snow
3:59 AM 28.4 °F 18.0 °F 24.8 °F 86% 29.62 in 0.5 mi West 12.7 mph - 0.01 in Fog , Snow Snow
4:46 AM 17.6 °F 0.1 °F 12.2 °F 79% 29.66 in 0.8 mi NW 23.0 mph 34.5 mph 0.05 in Snow Light Snow
4:53 AM 17.1 °F -2.0 °F 12.0 °F 81% 29.81 in 0.8 mi NNW 27.6 mph 35.7 mph 0.05 in Snow Light Snow
5:02 AM 17.6 °F -2.5 °F 10.4 °F 73% 29.68 in 0.8 mi NNW 32.2 mph 41.4 mph 0.01 in Snow Light Snow
5:23 AM 17.6 °F 0.5 °F 10.4 °F 73% 29.71 in 2.0 mi NNW 21.9 mph 28.8 mph 0.01 in Snow Light Snow
5:42 AM 15.8 °F -2.3 °F 10.4 °F 79% 29.72 in 1.5 mi NNW 23.0 mph 29.9 mph 0.01 in Snow Light Snow
5:45 AM 15.8 °F -1.9 °F 10.4 °F 79% 29.73 in 1.2 mi NNW 21.9 mph 28.8 mph 0.01 in Snow Light Snow
5:53 AM 16.0 °F -2.1 °F 10.9 °F 81% 29.87 in 1.0 mi NNW 23.0 mph 29.9 mph 0.02 in Snow Light Snow
6:12 AM 15.8 °F -3.4 °F 10.4 °F 79% 29.75 in 0.8 mi NNW 26.5 mph - 0.01 in Snow Light Snow
6:22 AM 15.8 °F -0.2 °F 10.4 °F 79% 29.76 in 0.8 mi NW 17.3 mph - 0.01 in Snow Light Snow
6:53 AM 15.1 °F -1.6 °F 10.0 °F 80% 29.96 in 0.8 mi NNW 18.4 mph - 0.04 in Snow Light Snow
7:14 AM 15.8 °F 1.4 °F 10.4 °F 79% 29.82 in 1.8 mi NNW 13.8 mph - 0.01 in Snow Light Snow
7:22 AM 15.8 °F 1.4 °F 10.4 °F 79% 29.83 in 2.0 mi NNW 13.8 mph - 0.01 in Snow Light Snow
7:53 AM 16.0 °F 3.6 °F 10.9 °F 81% 30.01 in 2.0 mi North 10.4 mph - 0.01 in Snow Light Snow
8:23 AM 15.8 °F 3.4 °F 10.4 °F 79% 29.90 in 1.8 mi North 10.4 mph - 0.00 in Snow Light Snow
8:33 AM 15.8 °F 5.1 °F 8.6 °F 73% 29.90 in 0.8 mi North 8.1 mph - 0.00 in Snow Light Snow
8:53 AM 14.0 °F 2.9 °F 9.0 °F 80% 30.09 in 0.8 mi North 8.1 mph - 0.00 in Snow Light Snow
9:38 AM 14.0 °F 1.2 °F 8.6 °F 79% 29.96 in 0.8 mi NNW 10.4 mph - 0.02 in Snow Light Snow
9:53 AM 14.0 °F 5.1 °F 8.1 °F 77% 30.13 in 0.8 mi North 5.8 mph - 0.02 in Snow Light Snow
10:08 AM 14.0 °F 6.5 °F 8.6 °F 79% 29.98 in 0.8 mi North 4.6 mph - 0.00 in Snow Light Snow
10:28 AM 14.0 °F 2.9 °F 8.6 °F 79% 29.99 in 0.5 mi North 8.1 mph - 0.01 in Snow Light Snow
10:53 AM 12.9 °F 3.8 °F 8.1 °F 81% 30.19 in 0.5 mi North 5.8 mph - 0.01 in Snow Light Snow
11:38 AM 12.2 °F 6.1 °F 8.6 °F 85% 30.02 in 0.5 mi NNE 3.5 mph - 0.01 in Snow Snow
11:53 AM 14.0 °F - 8.1 °F 77% 30.20 in 0.5 mi Calm Calm - 0.02 in Snow Snow
12:36 PM 12.2 °F -0.2 °F 6.8 °F 79% 30.03 in 0.5 mi NNW 9.2 mph - 0.01 in Snow Light Snow
12:53 PM 12.9 °F -0.2 °F 7.0 °F 77% 30.23 in 0.5 mi NNW 10.4 mph - 0.01 in Snow Light Snow
1:45 PM 12.2 °F - 6.8 °F 79% 30.06 in 0.5 mi Calm Calm - 0.01 in Snow Light Snow
1:53 PM 12.9 °F 5.2 °F 7.0 °F 77% 30.24 in 1.0 mi West 4.6 mph - 0.01 in Snow Light Snow
2:12 PM 12.2 °F 0.7 °F 6.8 °F 79% 30.07 in 0.8 mi WNW 8.1 mph - 0.00 in Snow Light Snow
2:53 PM 12.0 °F 2.7 °F 7.0 °F 80% 30.27 in 0.8 mi WNW 5.8 mph - 0.01 in Snow Light Snow
3:10 PM 10.4 °F -0.4 °F 6.8 °F 85% 30.09 in 1.0 mi WNW 6.9 mph - 0.00 in Snow Light Snow
3:41 PM 8.6 °F -3.7 °F 3.2 °F 79% 30.11 in 2.0 mi WNW 8.1 mph - 0.00 in Snow Light Snow
3:53 PM 9.0 °F -5.1 °F 3.0 °F 77% 30.31 in 2.0 mi NW 10.4 mph - 0.00 in Snow Light Snow
4:12 PM 6.8 °F -4.8 °F 1.4 °F 79% 30.12 in 3.0 mi NW 6.9 mph - 0.00 in Snow Light Snow
4:53 PM 5.0 °F -9.1 °F -0.0 °F 80% 30.38 in 5.0 mi NW 9.2 mph - 0.00 in   Haze
5:50 PM 8.6 °F 2.0 °F 3.2 °F 79% 30.16 in 7.0 mi NNW 3.5 mph - N/A   Overcast
5:53 PM 8.1 °F - 3.0 °F 80% 30.39 in 7.0 mi Calm Calm - N/A   Overcast
6:29 PM 6.8 °F - 1.4 °F 79% 30.17 in 4.0 mi Calm Calm - 0.00 in   Haze
6:53 PM 7.0 °F - 1.0 °F 77% 30.42 in 4.0 mi Calm Calm - 0.00 in   Haze
7:53 PM 6.1 °F - -0.0 °F 76% 30.43 in 7.0 mi Calm Calm - 0.00 in   Overcast
8:53 PM 3.9 °F - -0.0 °F 84% 30.45 in 8.0 mi Calm Calm - N/A   Partly Cloudy
9:53 PM 1.9 °F - -2.0 °F 83% 30.46 in 6.0 mi Calm Calm - N/A   Clear
10:53 PM 1.0 °F - -4.0 °F 79% 30.47 in 9.0 mi Calm Calm - N/A   Overcast
11:53 PM 3.9 °F - -2.0 °F 76% 30.46 in 8.0 mi Calm Calm - N/A   Mostly Cloudy