Weather History for Great Falls, MT

Change the Weather History Date:

Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 11 °F 25 °F  
Max Temperature 30 °F 35 °F 62 °F (1957)
Min Temperature -8 °F 16 °F -38 °F (1919)
Degree Days  
Heating Degree Days 54 40  
Month to date heating degree days 268 350  
Since 1 July heating degree days 1885 2319  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 484 298  
Moisture  
Dew Point -1 °F    
Average Humidity 72    
Maximum Humidity 87    
Minimum Humidity 57    
Precipitation  
Precipitation 0.00 in 0.02 in 0.38 in (1892)
Month to date precipitation 0.22 0.16  
Year to date precipitation 12.80 14.36  
Snow  
Snow 0.00 in 0.30 in 5.00 in (1892)
Month to date snowfall 5.7 2.6  
Since 1 July snowfall 27.4 16.3  
Snow Depth 3.00 in    
Sea Level Pressure  
Sea Level Pressure 30.26 in    
Wind  
Wind Speed 15 mph (SW)    
Max Wind Speed 32 mph    
Max Gust Speed 37 mph    
Visibility 6 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 09, 2012 Rise Set
Actual Time 8:01 AM MST 4:34 PM MST
Civil Twilight 7:26 AM MST 5:10 PM MST
Nautical Twilight 6:47 AM MST 5:49 PM MST
Astronomical Twilight 6:09 AM MST 6:26 PM MST
Moon 3:25 AM MST (12/9) 1:54 PM MST (12/9)
Length of Visible Light 9h 43m
Length of Day
8h 32m
Waning Crescent, 18% of the Moon is Illuminated
Dec 9
Waning Crescent
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 1.0 °F - -2.9 °F 83% 30.46 in 5.0 mi Calm Calm - N/A   Clear
1:20 AM -2.2 °F - -5.8 °F 85% 30.20 in 1.0 mi Calm Calm - N/A   Clear
1:24 AM -2.2 °F -10.4 °F -7.6 °F 78% 30.21 in 0.2 mi West 3.5 mph - N/A Fog Light Freezing Fog
1:34 AM -5.8 °F -14.5 °F -7.6 °F 92% 30.21 in 0.2 mi WSW 3.5 mph - N/A Fog Light Freezing Fog
1:45 AM -2.2 °F - -7.6 °F 78% 30.21 in 0.2 mi Calm Calm - N/A Fog Light Freezing Fog
1:53 AM -2.0 °F - -7.1 °F 79% 30.47 in 0.2 mi Calm Calm - N/A   Haze
2:53 AM -2.0 °F -10.1 °F -9.0 °F 72% 30.48 in 0.2 mi WSW 3.5 mph - N/A   Haze
3:09 AM -0.4 °F -8.3 °F -5.8 °F 78% 30.21 in 0.2 mi SSW 3.5 mph - N/A   Haze
3:16 AM -0.4 °F -8.3 °F -7.6 °F 72% 30.21 in 0.2 mi South 3.5 mph - N/A   Haze
3:27 AM -2.2 °F - -9.4 °F 71% 30.21 in 0.5 mi Calm Calm - N/A   Haze
3:32 AM -4.0 °F -12.4 °F -11.2 °F 71% 30.21 in 1.8 mi SSW 3.5 mph - N/A   Haze
3:40 AM -4.0 °F -14.6 °F -11.2 °F 71% 30.21 in 0.8 mi SSW 4.6 mph - N/A   Haze
3:53 AM -2.9 °F -13.3 °F -9.0 °F 75% 30.49 in 2.0 mi SW 4.6 mph - N/A   Haze
4:10 AM -2.2 °F -14.2 °F -9.4 °F 71% 30.21 in 4.0 mi SSW 5.8 mph - N/A   Haze
4:26 AM -4.0 °F -16.3 °F -11.2 °F 71% 30.21 in 1.8 mi SSW 5.8 mph - N/A   Haze
4:33 AM -2.2 °F -14.2 °F -11.2 °F 66% 30.21 in 1.0 mi SSW 5.8 mph - N/A   Haze
4:37 AM -2.2 °F -14.2 °F -9.4 °F 71% 30.21 in 2.5 mi SSW 5.8 mph - N/A   Haze
4:44 AM -2.2 °F -14.2 °F -7.6 °F 78% 30.21 in 7.0 mi SSW 5.8 mph - N/A   Clear
4:53 AM -0.9 °F -12.7 °F -8.0 °F 72% 30.50 in 6.0 mi SSW 5.8 mph - N/A   Haze
5:53 AM -2.0 °F -10.1 °F -9.0 °F 72% 30.50 in 4.0 mi SW 3.5 mph - N/A   Haze
6:53 AM -4.0 °F -12.4 °F -11.9 °F 69% 30.50 in 9.0 mi SSW 3.5 mph - N/A   Clear
7:53 AM -0.0 °F -16.3 °F -7.1 °F 72% 30.48 in 10.0 mi SSW 10.4 mph - N/A   Clear
8:53 AM 6.1 °F -10.2 °F -2.0 °F 69% 30.48 in 10.0 mi SSW 12.7 mph - N/A   Clear
9:53 AM 9.0 °F -6.6 °F 1.0 °F 70% 30.45 in 10.0 mi South 12.7 mph - N/A   Clear
10:53 AM 12.0 °F -2.7 °F 3.9 °F 70% 30.42 in 10.0 mi SSW 12.7 mph - N/A   Clear
11:53 AM 12.9 °F -1.6 °F 6.1 °F 74% 30.37 in 10.0 mi South 12.7 mph - N/A   Clear
12:53 PM 21.0 °F 4.6 °F 10.0 °F 63% 30.29 in 10.0 mi SSW 23.0 mph - 0.02 in   Clear
1:53 PM 21.9 °F 3.9 °F 10.9 °F 63% 30.25 in 6.0 mi SSW 29.9 mph 36.8 mph N/A   Haze
2:53 PM 21.9 °F 5.1 °F 10.9 °F 63% 30.22 in 10.0 mi SSW 25.3 mph - N/A   Partly Cloudy
3:53 PM 23.0 °F 6.9 °F 10.9 °F 60% 30.18 in 10.0 mi SW 24.2 mph - N/A   Scattered Clouds
4:53 PM 23.0 °F 6.0 °F 10.0 °F 58% 30.14 in 10.0 mi SW 27.6 mph 31.1 mph N/A   Clear
5:53 PM 23.0 °F 8.7 °F 10.9 °F 60% 30.13 in 10.0 mi SW 18.4 mph - N/A   Clear
6:53 PM 23.0 °F 7.2 °F 10.9 °F 60% 30.10 in 10.0 mi SW 23.0 mph - N/A   Clear
7:53 PM 24.1 °F 8.7 °F 12.0 °F 60% 30.08 in 10.0 mi SW 23.0 mph - N/A   Clear
8:53 PM 25.0 °F 11.7 °F 12.9 °F 60% 30.06 in 10.0 mi SW 17.3 mph - N/A   Clear
9:53 PM 27.0 °F 12.2 °F 14.0 °F 58% 30.05 in 10.0 mi SW 24.2 mph 33.4 mph N/A   Clear
10:53 PM 28.0 °F 13.9 °F 15.1 °F 58% 30.00 in 10.0 mi SW 23.0 mph - N/A   Partly Cloudy
11:53 PM 28.9 °F 14.5 °F 16.0 °F 58% 29.99 in 10.0 mi SW 25.3 mph 29.9 mph N/A   Overcast