Weather History for Great Falls, MT

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Saturday, December 1, 2012

  Actual Average Record
Temperature  
Mean Temperature 47 °F 27 °F  
Max Temperature 56 °F 37 °F 60 °F (1969)
Min Temperature 37 °F 18 °F -29 °F (1985)
Degree Days  
Heating Degree Days 18 38  
Month to date heating degree days 18 38  
Since 1 July heating degree days 1635 2007  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 484 298  
Moisture  
Dew Point 30 °F    
Average Humidity 57    
Maximum Humidity 76    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in 0.02 in 0.45 in (1921)
Month to date precipitation 0.00 0.02  
Year to date precipitation 12.58 14.22  
Snow  
Snow 0.00 in 0.30 in 4.20 in (1972)
Month to date snowfall 0.0 0.3  
Since 1 July snowfall 21.7 14.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.67 in    
Wind  
Wind Speed 16 mph (SSW)    
Max Wind Speed 31 mph    
Max Gust Speed 40 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 01, 2012 Rise Set
Actual Time 7:52 AM MST 4:36 PM MST
Civil Twilight 7:17 AM MST 5:11 PM MST
Nautical Twilight 6:39 AM MST 5:50 PM MST
Astronomical Twilight 6:02 AM MST 6:27 PM MST
Moon 7:33 PM MST (12/1) 10:05 AM MST (12/1)
Length of Visible Light 9h 53m
Length of Day
8h 43m
Waning Gibbous, 91% of the Moon is Illuminated
Dec 1
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

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 44.1 °F 38.1 °F 32.0 °F 63% 29.67 in 10.0 mi SW 11.5 mph - N/A   Clear
1:53 AM 43.0 °F 36.4 °F 32.0 °F 65% 29.67 in 10.0 mi SSW 12.7 mph - N/A   Clear
2:53 AM 39.9 °F 32.1 °F 30.9 °F 70% 29.68 in 10.0 mi SSW 13.8 mph - N/A   Clear
3:53 AM 37.9 °F 30.0 °F 30.0 °F 73% 29.70 in 10.0 mi SSW 12.7 mph - N/A   Clear
4:53 AM 39.2 °F 33.0 °F 30.2 °F 70% 29.65 in 10.0 mi SSW 9.2 mph - N/A   Clear
5:53 AM 42.1 °F 34.2 °F 32.0 °F 67% 29.67 in 10.0 mi SSW 16.1 mph - N/A   Clear
6:53 AM 42.1 °F 34.9 °F 30.9 °F 65% 29.69 in 10.0 mi SSW 13.8 mph - N/A   Clear
7:53 AM 42.1 °F 35.7 °F 30.9 °F 65% 29.70 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
8:53 AM 48.0 °F - 32.0 °F 54% 29.67 in 10.0 mi SW 23.0 mph 32.2 mph N/A   Clear
9:53 AM 50.0 °F - 32.0 °F 50% 29.66 in 10.0 mi SW 23.0 mph 28.8 mph N/A   Clear
10:53 AM 53.6 °F - 30.2 °F 41% 29.65 in 10.0 mi SW 16.1 mph - N/A   Clear
11:53 AM 53.1 °F - 28.0 °F 38% 29.65 in 10.0 mi SW 18.4 mph 29.9 mph N/A   Clear
12:53 PM 54.0 °F - 28.0 °F 37% 29.62 in 10.0 mi SSW 21.9 mph 38.0 mph N/A   Clear
1:53 PM 51.8 °F - 30.2 °F 44% 29.61 in 10.0 mi SW 24.2 mph 35.7 mph N/A   Partly Cloudy
2:53 PM 53.1 °F - 30.9 °F 43% 29.65 in 10.0 mi SW 13.8 mph - N/A   Mostly Cloudy
3:53 PM 48.0 °F - 33.1 °F 56% 29.68 in 10.0 mi SW 27.6 mph 35.7 mph N/A   Scattered Clouds
4:53 PM 46.0 °F 38.5 °F 30.0 °F 54% 29.69 in 10.0 mi SSW 19.6 mph 26.5 mph N/A   Mostly Cloudy
5:53 PM 42.1 °F 35.7 °F 28.9 °F 60% 29.71 in 10.0 mi SSW 11.5 mph - N/A   Clear
6:53 PM 43.0 °F 37.7 °F 25.0 °F 49% 29.71 in 10.0 mi SSW 9.2 mph - N/A   Clear
7:53 PM 39.9 °F 32.9 °F 26.1 °F 58% 29.74 in 10.0 mi SE 11.5 mph - N/A   Clear
8:53 PM 44.1 °F 37.1 °F 27.0 °F 51% 29.68 in 10.0 mi SSW 15.0 mph - N/A   Clear
9:53 PM 44.1 °F 36.8 °F 26.1 °F 49% 29.65 in 10.0 mi SW 16.1 mph - N/A   Clear
10:53 PM 43.0 °F 36.4 °F 28.0 °F 56% 29.67 in 10.0 mi SW 12.7 mph - N/A   Clear
11:53 PM 41.0 °F 34.7 °F 28.0 °F 60% 29.67 in 10.0 mi SSW 10.4 mph - N/A   Clear