Weather History for Great Falls, MT

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Wednesday, November 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F 31 °F  
Max Temperature 49 °F 41 °F 70 °F (1917)
Min Temperature 34 °F 22 °F -20 °F (1946)
Degree Days  
Heating Degree Days 23 34  
Month to date heating degree days 537 627  
Since 1 July heating degree days 1362 1647  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 484 298  
Moisture  
Dew Point 32 °F    
Average Humidity 71    
Maximum Humidity 89    
Minimum Humidity 52    
Precipitation  
Precipitation 0.13 in 0.02 in 0.72 in (1921)
Month to date precipitation 1.35 0.42  
Year to date precipitation 12.51 14.03  
Snow  
Snow 0.00 in 0.30 in 8.00 in (1921)
Month to date snowfall 15.8 5.4  
Since 1 July snowfall 20.9 11.0  
Since 1 September snowfall 20.9 10.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 16 mph (SW)    
Max Wind Speed 33 mph    
Max Gust Speed 40 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 21, 2012 Rise Set
Actual Time 7:39 AM MST 4:42 PM MST
Civil Twilight 7:05 AM MST 5:17 PM MST
Nautical Twilight 6:27 AM MST 5:54 PM MST
Astronomical Twilight 5:51 AM MST 6:31 PM MST
Moon 1:24 PM MST (11/21) 12:37 AM MST (11/21)
Length of Visible Light 10h 11m
Length of Day
9h 03m
Waxing Gibbous, 62% of the Moon is Illuminated
Nov 21
Waxing Gibbous
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New
Dec 19
First 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 46.9 °F - 37.0 °F 68% 29.74 in 10.0 mi SSW 15.0 mph - 0.00 in   Mostly Cloudy
1:53 AM 48.0 °F - 36.0 °F 63% 29.73 in 10.0 mi WSW 16.1 mph - 0.00 in Rain Light Rain
2:53 AM 44.1 °F 38.1 °F 37.9 °F 79% 29.73 in 10.0 mi WSW 11.5 mph - 0.00 in   Overcast
3:53 AM 45.0 °F 39.7 °F 37.0 °F 74% 29.71 in 10.0 mi WSW 10.4 mph - N/A   Overcast
4:53 AM 44.1 °F 40.1 °F 37.0 °F 76% 29.70 in 10.0 mi SW 6.9 mph - 0.00 in   Overcast
5:53 AM 43.0 °F 36.4 °F 39.0 °F 86% 29.72 in 6.0 mi SW 12.7 mph - 0.06 in Rain Light Rain
6:53 AM 42.1 °F 36.1 °F 39.0 °F 89% 29.73 in 9.0 mi SSW 10.4 mph - 0.07 in Rain Light Rain
7:53 AM 42.1 °F 34.9 °F 37.9 °F 85% 29.70 in 10.0 mi South 13.8 mph - 0.00 in   Overcast
8:53 AM 44.1 °F 36.5 °F 36.0 °F 73% 29.67 in 10.0 mi SSW 17.3 mph - N/A   Overcast
9:53 AM 45.0 °F 37.1 °F 37.0 °F 74% 29.69 in 10.0 mi SW 19.6 mph - N/A   Mostly Cloudy
10:53 AM 45.0 °F 38.5 °F 37.0 °F 74% 29.69 in 10.0 mi SSW 13.8 mph - N/A   Partly Cloudy
11:53 AM 46.9 °F - 37.0 °F 68% 29.67 in 10.0 mi SSW 12.7 mph - N/A   Clear
12:53 PM 48.0 °F - 37.0 °F 66% 29.66 in 10.0 mi SSW 13.8 mph - N/A   Mostly Cloudy
1:53 PM 46.0 °F 39.3 °F 36.0 °F 68% 29.70 in 10.0 mi SW 16.1 mph 27.6 mph 0.00 in Rain Light Rain
2:53 PM 44.1 °F 35.9 °F 34.0 °F 68% 29.72 in 10.0 mi WSW 19.6 mph - 0.00 in   Overcast
3:53 PM 44.1 °F 36.2 °F 33.1 °F 65% 29.74 in 10.0 mi SSW 18.4 mph 29.9 mph N/A   Mostly Cloudy
4:53 PM 42.1 °F 33.9 °F 27.0 °F 55% 29.80 in 10.0 mi SW 17.3 mph - N/A   Clear
5:53 PM 39.9 °F 32.5 °F 27.0 °F 60% 29.85 in 10.0 mi SW 12.7 mph - N/A   Partly Cloudy
6:53 PM 37.0 °F 28.9 °F 27.0 °F 67% 29.90 in 10.0 mi SW 12.7 mph - N/A   Clear
7:53 PM 35.1 °F 25.2 °F 26.1 °F 70% 29.92 in 10.0 mi SW 16.1 mph - N/A   Clear
8:53 PM 35.1 °F 24.5 °F 23.0 °F 61% 29.92 in 10.0 mi SW 18.4 mph - N/A   Clear
9:53 PM 35.1 °F 23.3 °F 21.0 °F 57% 29.94 in 10.0 mi SW 23.0 mph - N/A   Clear
10:53 PM 35.1 °F 22.0 °F 19.9 °F 54% 29.93 in 10.0 mi SW 28.8 mph 35.7 mph N/A   Clear
11:53 PM 36.0 °F 22.8 °F 19.9 °F 52% 29.93 in 10.0 mi SW 31.1 mph 38.0 mph N/A   Clear