Weather History for Great Falls, MT

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Friday, December 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 32 °F 24 °F  
Max Temperature 43 °F 34 °F 60 °F (1924)
Min Temperature 20 °F 15 °F -25 °F (1922)
Degree Days  
Heating Degree Days 33 41  
Month to date heating degree days 433 551  
Since 1 July heating degree days 2050 2520  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 484 298  
Moisture  
Dew Point 17 °F    
Average Humidity 57    
Maximum Humidity 74    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in 0.02 in 0.24 in (1917)
Month to date precipitation 0.22 0.25  
Year to date precipitation 12.80 14.45  
Snow  
Snow 0.00 in 0.30 in 3.00 in (1917)
Month to date snowfall 5.7 4.0  
Since 1 July snowfall 27.4 17.7  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 29.73 in    
Wind  
Wind Speed 13 mph (SW)    
Max Wind Speed 25 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 14, 2012 Rise Set
Actual Time 8:06 AM MST 4:34 PM MST
Civil Twilight 7:30 AM MST 5:10 PM MST
Nautical Twilight 6:51 AM MST 5:49 PM MST
Astronomical Twilight 6:13 AM MST 6:27 PM MST
Moon 9:10 AM MST (12/14) 6:36 PM MST (12/14)
Length of Visible Light 9h 40m
Length of Day
8h 28m
Waxing Crescent, 3% of the Moon is Illuminated
Dec 14
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 34.0 °F 21.8 °F 12.9 °F 42% 29.73 in 10.0 mi SW 23.0 mph 31.1 mph N/A   Clear
1:53 AM 33.1 °F 20.9 °F 14.0 °F 46% 29.73 in 10.0 mi SW 21.9 mph - N/A   Clear
2:53 AM 30.9 °F 18.4 °F 14.0 °F 50% 29.73 in 10.0 mi SSW 20.7 mph - N/A   Clear
3:53 AM 32.0 °F 20.1 °F 15.1 °F 50% 29.73 in 10.0 mi SSW 19.6 mph - N/A   Clear
4:53 AM 30.0 °F 18.3 °F 16.0 °F 56% 29.73 in 10.0 mi SSW 17.3 mph - N/A   Clear
5:53 AM 28.9 °F 17.3 °F 16.0 °F 58% 29.72 in 10.0 mi SSW 16.1 mph - N/A   Clear
6:53 AM 30.9 °F 20.2 °F 17.1 °F 57% 29.72 in 10.0 mi SSW 15.0 mph - N/A   Clear
7:53 AM 28.9 °F 18.6 °F 17.1 °F 61% 29.72 in 10.0 mi SSW 12.7 mph - N/A   Clear
8:53 AM 30.0 °F 20.0 °F 18.0 °F 61% 29.73 in 10.0 mi SSW 12.7 mph - N/A   Clear
9:53 AM 34.0 °F 26.6 °F 19.9 °F 56% 29.72 in 10.0 mi SSW 9.2 mph - N/A   Clear
10:53 AM 37.9 °F 29.2 °F 21.0 °F 51% 29.71 in 10.0 mi SW 15.0 mph - N/A   Clear
11:53 AM 41.0 °F 32.8 °F 19.9 °F 43% 29.69 in 10.0 mi SW 16.1 mph - N/A   Clear
12:53 PM 43.0 °F 36.4 °F 19.0 °F 38% 29.66 in 10.0 mi WSW 12.7 mph - N/A   Clear
1:53 PM 42.1 °F 34.9 °F 19.0 °F 40% 29.66 in 10.0 mi SSW 13.8 mph - N/A   Clear
2:53 PM 41.0 °F 34.3 °F 19.9 °F 43% 29.68 in 10.0 mi SW 11.5 mph - N/A   Clear
3:53 PM 37.9 °F 31.5 °F 19.9 °F 48% 29.70 in 10.0 mi SW 9.2 mph - N/A   Clear
4:47 PM 35.6 °F 30.7 °F 21.2 °F 56% 29.49 in 20.0 mi North 5.8 mph - N/A   Mostly Cloudy
4:53 PM 32.0 °F 24.2 °F 19.0 °F 59% 29.74 in 10.0 mi SW 9.2 mph - N/A   Clear
5:53 PM 25.0 °F 16.3 °F 17.1 °F 72% 29.78 in 10.0 mi SW 8.1 mph - N/A   Clear
6:53 PM 27.0 °F 19.5 °F 17.1 °F 66% 29.79 in 10.0 mi West 6.9 mph - N/A   Clear
7:53 PM 24.1 °F 19.7 °F 15.1 °F 69% 29.82 in 10.0 mi WSW 3.5 mph - N/A   Clear
8:53 PM 26.1 °F 16.2 °F 15.1 °F 63% 29.83 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:53 PM 27.0 °F 23.0 °F 15.1 °F 61% 29.83 in 10.0 mi West 3.5 mph - N/A   Clear
10:53 PM 24.1 °F 14.4 °F 12.9 °F 62% 29.84 in 10.0 mi West 9.2 mph - N/A   Clear
11:53 PM 19.9 °F 14.9 °F 12.0 °F 71% 29.86 in 10.0 mi South 3.5 mph - N/A   Clear