History for Great Falls, MT

Sunday, December 30, 2012 — View Current Conditions
Sunday, December 30, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 19 °F 24 °F  
Max Temperature 27 °F 34 °F 63 °F (1917)
Min Temperature 10 °F 14 °F -30 °F (1968)
Degree Days
Heating Degree Days 46 41  
Month to date heating degree days 1163 1207  
Since 1 July heating degree days 2780 3176  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 484 298  
Moisture
Dew Point 16 °F    
Average Humidity 75    
Maximum Humidity 88    
Minimum Humidity 62    
Precipitation
Precipitation 0.04 in 0.01 in 0.70 in (1917)
Month to date precipitation 0.55 0.53  
Year to date precipitation 13.13 14.73  
Snow
Snow 0.80 in 0.40 in 5.80 in (2004)
Month to date snowfall 10.6 9.2  
Since 1 July snowfall 32.3 22.9  
Snow Depth 3.00 in    
Sea Level Pressure
Sea Level Pressure 30.11 in    
Wind
Wind Speed 10 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 16 mph    
Visibility 6 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 23, 2013 Rise Set
Actual Time 8:13 AM MST 4:43 PM MST
Civil Twilight 7:37 AM MST 5:19 PM MST
Nautical Twilight 6:58 AM MST 5:58 PM MST
Astronomical Twilight 6:20 AM MST 6:35 PM MST
Moon 7:30 PM MST (12/30) 9:13 AM MST (12/30)
Length Of Visible Light 9h 42m
Length of Day
8h 30m
Waning Gibbous, 95% of the Moon is Illuminated
Dec 30
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
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Hourly Observations
Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:07 AM 24.8 °F 14.6 °F 21.2 °F 86% 29.97 in 3.0 mi WSW 10.4 mph - 0.00 in   Overcast
12:36 AM 24.8 °F 16.1 °F 21.2 °F 86% 29.98 in 3.0 mi WSW 8.1 mph - 0.00 in   Overcast
12:53 AM 25.0 °F 16.3 °F 21.0 °F 85% 30.12 in 3.0 mi West 8.1 mph - 0.00 in   Overcast
1:37 AM 24.8 °F 16.1 °F 19.4 °F 80% 29.99 in 3.0 mi West 8.1 mph - N/A   Overcast
1:53 AM 24.1 °F 16.0 °F 19.9 °F 84% 30.13 in 3.0 mi WNW 6.9 mph - 0.00 in Snow Light Snow
2:24 AM 24.8 °F 17.9 °F 19.4 °F 80% 30.00 in 2.5 mi WNW 5.8 mph - 0.00 in Snow Light Snow
2:53 AM 24.1 °F 17.0 °F 21.0 °F 88% 30.16 in 2.5 mi WSW 5.8 mph - 0.01 in Snow Light Snow
3:16 AM 24.8 °F 16.9 °F 19.4 °F 80% 30.01 in 3.0 mi SW 6.9 mph - 0.00 in Snow Light Snow
3:34 AM 24.8 °F 16.9 °F 21.2 °F 86% 30.01 in 3.0 mi SW 6.9 mph - 0.00 in Snow Light Snow
3:46 AM 24.8 °F 16.9 °F 21.2 °F 86% 30.01 in 1.8 mi SSW 6.9 mph - 0.00 in Snow Light Snow
3:53 AM 24.1 °F 16.0 °F 21.0 °F 88% 30.16 in 1.8 mi SSW 6.9 mph - 0.01 in Snow Light Snow
4:44 AM 24.8 °F 16.9 °F 21.2 °F 86% 30.01 in 6.0 mi SW 6.9 mph - 0.00 in Snow Light Snow
4:53 AM 24.1 °F 16.0 °F 21.0 °F 88% 30.17 in 8.0 mi SW 6.9 mph - 0.00 in Snow Light Snow
5:10 AM 24.8 °F 16.9 °F 21.2 °F 86% 30.02 in 2.0 mi SSW 6.9 mph - 0.00 in Snow Light Snow
5:23 AM 24.8 °F 16.9 °F 21.2 °F 86% 30.02 in 2.0 mi SSW 6.9 mph - 0.01 in Snow Light Snow
5:53 AM 24.1 °F 16.0 °F 21.0 °F 88% 30.18 in 1.5 mi SSW 6.9 mph - 0.02 in Snow Light Snow
6:06 AM 24.8 °F 16.9 °F 21.2 °F 86% 30.02 in 2.5 mi SSW 6.9 mph - 0.00 in Snow Light Snow
6:24 AM 24.8 °F 16.1 °F 19.4 °F 80% 30.02 in 1.8 mi SSW 8.1 mph - 0.00 in Snow Light Snow
6:34 AM 21.2 °F 10.9 °F 19.4 °F 93% 30.02 in 2.5 mi SSW 9.2 mph - 0.00 in Snow Light Snow
6:48 AM 21.2 °F 9.5 °F 17.6 °F 86% 30.02 in 6.0 mi SSW 11.5 mph - 0.00 in   Overcast
6:53 AM 21.0 °F 9.9 °F 18.0 °F 88% 30.20 in 7.0 mi SSW 10.4 mph - 0.00 in   Overcast
7:53 AM 19.9 °F 10.1 °F 16.0 °F 85% 30.19 in 10.0 mi SSW 8.1 mph - N/A   Overcast
8:53 AM 12.0 °F 0.5 °F 8.1 °F 84% 30.22 in 10.0 mi SW 8.1 mph - N/A   Clear
9:53 AM 14.0 °F 5.1 °F 10.0 °F 84% 30.23 in 10.0 mi South 5.8 mph - N/A   Clear
10:53 AM 21.9 °F 9.8 °F 15.1 °F 75% 30.20 in 10.0 mi SSW 12.7 mph - N/A   Clear
11:53 AM 23.0 °F 12.4 °F 15.1 °F 72% 30.17 in 10.0 mi SSW 10.4 mph - N/A   Clear
12:53 PM 25.0 °F 14.2 °F 15.1 °F 66% 30.15 in 10.0 mi SW 11.5 mph - N/A   Clear
1:53 PM 25.0 °F 15.5 °F 15.1 °F 66% 30.14 in 10.0 mi SSW 9.2 mph - N/A   Clear
2:53 PM 26.1 °F 16.2 °F 15.1 °F 63% 30.14 in 10.0 mi SSW 10.4 mph - N/A   Clear
3:53 PM 25.0 °F 13.6 °F 14.0 °F 63% 30.14 in 10.0 mi SSW 12.7 mph - N/A   Clear
4:53 PM 21.0 °F 9.3 °F 10.0 °F 63% 30.16 in 10.0 mi SW 11.5 mph - N/A   Clear
5:53 PM 15.1 °F 3.3 °F 7.0 °F 70% 30.18 in 10.0 mi SW 9.2 mph - N/A   Clear
6:53 PM 16.0 °F 2.9 °F 7.0 °F 68% 30.18 in 10.0 mi SSW 11.5 mph - N/A   Clear
7:53 PM 15.1 °F 1.1 °F 6.1 °F 68% 30.19 in 10.0 mi SSW 12.7 mph - N/A   Clear
8:53 PM 16.0 °F 2.3 °F 7.0 °F 68% 30.22 in 10.0 mi SSW 12.7 mph - N/A   Clear
9:53 PM 21.0 °F 8.1 °F 10.0 °F 63% 30.19 in 10.0 mi SSW 13.8 mph - N/A   Partly Cloudy
10:53 PM 19.0 °F 5.6 °F 9.0 °F 65% 30.18 in 10.0 mi SSW 13.8 mph - N/A   Partly Cloudy
11:53 PM 17.1 °F 3.6 °F 8.1 °F 68% 30.19 in 10.0 mi SSW 12.7 mph - N/A   Partly Cloudy
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