Weather History for Great Falls, MT

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Tuesday, December 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 30 °F 24 °F  
Max Temperature 43 °F 34 °F 59 °F (1963)
Min Temperature 17 °F 14 °F -33 °F (1927)
Degree Days  
Heating Degree Days 35 41  
Month to date heating degree days 1354 1248  
Since 1 July heating degree days 3154 3217  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 449 298  
Moisture  
Dew Point 26 °F    
Average Humidity 77    
Maximum Humidity 96    
Minimum Humidity 57    
Precipitation  
Precipitation 0.04 in 0.02 in 0.41 in (1899)
Month to date precipitation 0.94 0.55  
Year to date precipitation 11.78 14.75  
Snow  
Snow T in 0.30 in 4.10 in (1899)
Month to date snowfall 13.2 9.5  
Since 1 July snowfall 22.9 23.2  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 10 mph (SW)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 31, 2013 Rise Set
Actual Time 8:13 AM MST 4:44 PM MST
Civil Twilight 7:37 AM MST 5:20 PM MST
Nautical Twilight 6:58 AM MST 5:59 PM MST
Astronomical Twilight 6:21 AM MST 6:36 PM MST
Moon 7:06 AM MST (12/31) 4:28 PM MST (12/31)
Length of Visible Light 9h 42m
Length of Day
8h 31m
Waning Crescent, 1% of the Moon is Illuminated
Dec 31
Waning Crescent
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 23
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 42.1 °F 33.1 °F 30.0 °F 62% 29.86 in 10.0 mi SW 20.7 mph - N/A   Mostly Cloudy
1:53 AM 39.9 °F 32.5 °F 28.9 °F 65% 29.86 in 10.0 mi SW 12.7 mph - N/A   Clear
2:53 AM 41.0 °F 33.1 °F 28.9 °F 62% 29.88 in 10.0 mi SW 15.0 mph - N/A   Mostly Cloudy
3:53 AM 39.9 °F 32.5 °F 28.9 °F 65% 29.88 in 10.0 mi SW 12.7 mph - N/A   Scattered Clouds
4:53 AM 42.1 °F 34.5 °F 30.0 °F 62% 29.88 in 10.0 mi WSW 15.0 mph 24.2 mph N/A   Scattered Clouds
5:53 AM 43.0 °F 34.8 °F 28.9 °F 58% 29.86 in 10.0 mi SW 18.4 mph - N/A   Scattered Clouds
6:53 AM 43.0 °F 35.1 °F 28.9 °F 58% 29.86 in 10.0 mi SW 17.3 mph - N/A   Partly Cloudy
7:53 AM 42.1 °F 34.5 °F 28.9 °F 60% 29.86 in 10.0 mi SW 15.0 mph - N/A   Scattered Clouds
8:53 AM 43.0 °F 36.4 °F 28.9 °F 58% 29.87 in 10.0 mi SW 12.7 mph - N/A   Overcast
9:53 AM 43.0 °F 36.0 °F 30.0 °F 60% 29.88 in 10.0 mi SW 13.8 mph - N/A   Overcast
10:53 AM 42.1 °F 36.6 °F 30.0 °F 62% 29.89 in 10.0 mi WSW 9.2 mph - N/A   Overcast
11:53 AM 43.0 °F 38.2 °F 30.0 °F 60% 29.90 in 10.0 mi WSW 8.1 mph - N/A   Overcast
12:21 PM 39.2 °F 31.6 °F 33.8 °F 81% 29.87 in 6.0 mi NW 12.7 mph 31.1 mph 0.01 in Rain Light Rain
12:44 PM 39.2 °F 33.6 °F 33.8 °F 81% 29.85 in 10.0 mi SW 8.1 mph - 0.03 in Rain Light Rain
12:53 PM 39.9 °F 32.1 °F 34.0 °F 79% 29.91 in 10.0 mi WSW 13.8 mph 19.6 mph 0.03 in   Overcast
1:36 PM 19.4 °F 4.5 °F 17.6 °F 93% 29.90 in 10.0 mi NE 17.3 mph 24.2 mph N/A   Overcast
1:53 PM 19.0 °F 3.6 °F 18.0 °F 96% 30.03 in 6.0 mi ENE 18.4 mph - 0.00 in Snow Light Snow
2:11 PM 19.4 °F 5.5 °F 17.6 °F 93% 29.92 in 10.0 mi ENE 15.0 mph - N/A   Overcast
2:53 PM 19.9 °F 10.1 °F 18.0 °F 92% 30.04 in 4.0 mi SE 8.1 mph - 0.00 in Snow Light Snow
3:53 PM 27.0 °F - 25.0 °F 92% 30.05 in 10.0 mi Calm Calm - 0.01 in   Overcast
4:53 PM 23.0 °F 17.0 °F 21.9 °F 96% 30.07 in 10.0 mi WNW 4.6 mph - N/A   Overcast
5:53 PM 23.0 °F 17.0 °F 21.0 °F 92% 30.09 in 10.0 mi West 4.6 mph - N/A   Overcast
6:53 PM 24.1 °F - 21.9 °F 91% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM 23.0 °F - 21.9 °F 96% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 19.0 °F - 18.0 °F 96% 30.10 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 24.1 °F - 21.9 °F 91% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 24.1 °F 16.0 °F 21.9 °F 91% 30.14 in 10.0 mi East 6.9 mph - N/A   Overcast
11:53 PM 24.1 °F 15.2 °F 21.9 °F 91% 30.16 in 10.0 mi East 8.1 mph - N/A   Overcast