Weather History for Great Falls, MT

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Friday, December 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 34 °F 26 °F  
Max Temperature 40 °F 35 °F 60 °F (1900)
Min Temperature 28 °F 16 °F -33 °F (2013)
Degree Days  
Heating Degree Days 31 39  
Month to date heating degree days 163 270  
Since 1 July heating degree days 1780 2239  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 484 298  
Moisture  
Dew Point 18 °F    
Average Humidity 56    
Maximum Humidity 78    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.02 in 0.33 in (1919)
Month to date precipitation 0.01 0.13  
Year to date precipitation 12.59 14.33  
Snow  
Snow 0.00 in 0.30 in 4.70 in (1958)
Month to date snowfall 0.0 2.0  
Since 1 July snowfall 21.7 15.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 13 mph (SW)    
Max Wind Speed 25 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 07, 2012 Rise Set
Actual Time 7:59 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 12:59 AM MST (12/7) 12:54 PM MST (12/7)
Length of Visible Light 9h 45m
Length of Day
8h 34m
Last Quarter, 38% of the Moon is Illuminated
Dec 7
Last Quarter
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
12:53 AM 30.9 °F 22.2 °F 18.0 °F 59% 29.93 in 10.0 mi SSW 10.4 mph - N/A   Overcast
1:53 AM 30.9 °F 21.2 °F 17.1 °F 57% 29.91 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
2:53 AM 32.0 °F 23.0 °F 18.0 °F 56% 29.91 in 10.0 mi SSW 11.5 mph - N/A   Overcast
3:53 AM 33.1 °F 23.9 °F 19.0 °F 56% 29.89 in 10.0 mi SW 12.7 mph - N/A   Overcast
4:53 AM 33.8 °F 25.3 °F 19.4 °F 56% 29.79 in 10.0 mi SW 11.5 mph - N/A   Overcast
5:53 AM 30.0 °F 20.5 °F 19.0 °F 64% 29.92 in 10.0 mi SW 11.5 mph - N/A   Scattered Clouds
6:53 AM 30.0 °F 19.1 °F 19.0 °F 64% 29.94 in 10.0 mi WSW 15.0 mph - N/A   Clear
7:53 AM 30.0 °F 19.5 °F 19.9 °F 66% 29.95 in 10.0 mi SW 13.8 mph - N/A   Partly Cloudy
8:53 AM 28.0 °F 19.3 °F 19.9 °F 72% 29.96 in 10.0 mi SW 9.2 mph - N/A   Clear
9:53 AM 33.1 °F 25.5 °F 21.9 °F 64% 29.95 in 10.0 mi WSW 9.2 mph - N/A   Clear
10:53 AM 37.0 °F 26.4 °F 17.1 °F 44% 29.94 in 10.0 mi WSW 20.7 mph - N/A   Clear
11:53 AM 39.0 °F 28.8 °F 14.0 °F 36% 29.92 in 10.0 mi West 21.9 mph 29.9 mph N/A   Clear
12:53 PM 39.0 °F 29.6 °F 12.9 °F 34% 29.89 in 10.0 mi WSW 18.4 mph - N/A   Clear
1:53 PM 39.0 °F 29.9 °F 14.0 °F 36% 29.86 in 10.0 mi SW 17.3 mph - N/A   Clear
2:53 PM 37.9 °F 32.1 °F 15.1 °F 39% 29.84 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
3:53 PM 36.0 °F 31.1 °F 15.1 °F 43% 29.81 in 10.0 mi South 5.8 mph - N/A   Overcast
4:53 PM 36.0 °F 29.0 °F 16.0 °F 44% 29.78 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
5:53 PM 37.4 °F 30.3 °F 15.8 °F 41% 29.65 in 10.0 mi SW 10.4 mph - N/A   Overcast
6:53 PM 33.1 °F 25.5 °F 17.1 °F 52% 29.72 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
7:53 PM 35.1 °F 26.4 °F 19.9 °F 54% 29.69 in 10.0 mi SW 12.7 mph - N/A   Clear
8:53 PM 35.1 °F 24.8 °F 21.9 °F 59% 29.67 in 10.0 mi SW 17.3 mph - N/A   Scattered Clouds
9:53 PM 33.1 °F 25.5 °F 21.9 °F 64% 29.65 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
10:53 PM 28.9 °F 17.3 °F 23.0 °F 78% 29.66 in 10.0 mi West 16.1 mph - N/A   Partly Cloudy
11:53 PM 28.9 °F 21.1 °F 25.0 °F 85% 29.67 in 10.0 mi West 8.1 mph - N/A   Overcast