Great Falls, MT

6:29 PM MDT on September 23, 2017 (GMT -0600)
Great Falls International

Weather History for KGTF - September, 2012

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Wednesday, September 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 63 °F 60 °F  
Max Temperature 81 °F 75 °F 98 °F (1967)
Min Temperature 44 °F 45 °F 31 °F (1956)
Degree Days  
Heating Degree Days 2 6  
Month to date heating degree days 12 28  
Since 1 July heating degree days 52 149  
Cooling Degree Days 0 1  
Month to date cooling degree days 4 7  
Year to date cooling degree days 468 283  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 34 °F    
Average Humidity 46    
Maximum Humidity 75    
Minimum Humidity 16    
Precipitation  
Precipitation 0.00 in 0.05 in 0.81 in (2010)
Month to date precipitation 0.00 0.27  
Year to date precipitation 9.79 11.60  
Snow  
Snow 0.00 in 0.00 in T in (1986)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 0.0 0.4  
Since 1 September snowfall 0.0 0.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 11 mph (West)    
Max Wind Speed 28 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Sep. 05, 2012 Rise Set
Actual Time 6:50 AM MDT 7:56 PM MDT
Civil Twilight 6:18 AM MDT 8:28 PM MDT
Nautical Twilight 5:40 AM MDT 9:05 PM MDT
Astronomical Twilight 5:00 AM MDT 9:45 PM MDT
Moon 10:01 PM MDT (9/5) 12:23 PM MDT (9/5)
Length of Visible Light 14h 09m
Length of Day
13h 06m
Waning Gibbous, 75% of the Moon is Illuminated
Sep 5
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 51.4 °F - 37.0 °F 58% 30.09 in 10.0 mi SSW 6.9 mph - N/A   Clear
1:53 AM 48.6 °F - 37.0 °F 64% 30.09 in 10.0 mi SW 8.1 mph - N/A   Clear
2:53 AM 49.5 °F - 37.0 °F 62% 30.09 in 10.0 mi SSW 8.1 mph - N/A   Clear
3:53 AM 44.1 °F 39.5 °F 36.0 °F 73% 30.08 in 10.0 mi SW 8.1 mph - N/A   Clear
4:53 AM 47.1 °F - 35.6 °F 64% 30.06 in 10.0 mi SSW 10.4 mph - N/A   Clear
5:53 AM 46.6 °F - 35.1 °F 64% 30.04 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:53 AM 48.4 °F - 34.7 °F 59% 30.02 in 10.0 mi SSW 9.2 mph - N/A   Clear
7:53 AM 52.2 °F - 34.9 °F 52% 30.00 in 10.0 mi SSW 8.1 mph - N/A   Clear
8:53 AM - - - N/A% - - North - - N/A   Unknown
9:14 AM 57.2 °F - 35.6 °F 44% 30.02 in 10.0 mi SSW 10.4 mph - N/A   Clear
9:53 AM 63.1 °F - 34.9 °F 35% 30.00 in 10.0 mi SSW 16.1 mph 19.6 mph N/A   Clear
10:53 AM 70.0 °F - 34.0 °F 27% 29.99 in 10.0 mi WSW 16.1 mph 20.7 mph N/A   Clear
11:53 AM 72.0 °F - 33.1 °F 24% 29.98 in 10.0 mi West 10.4 mph - N/A   Clear
12:53 PM - - - N/A% 29.96 in - North - - N/A   Unknown
1:53 PM 73.0 °F - 32.2 °F 22% 29.96 in 10.0 mi West 10.4 mph 13.8 mph N/A   Clear
2:53 PM - - - N/A% - - North - - N/A   Unknown
3:53 PM 80.1 °F - 30.0 °F 16% 29.92 in 10.0 mi NW 11.5 mph 18.4 mph N/A   Clear
4:53 PM 81.0 °F - 30.0 °F 16% 29.91 in 10.0 mi North 6.9 mph - N/A   Clear
5:53 PM 78.1 °F - 28.9 °F 17% 29.91 in 10.0 mi North 9.2 mph - N/A   Clear
6:53 PM 75.0 °F - 28.9 °F 18% 29.92 in 10.0 mi NNW 16.1 mph - N/A   Mostly Cloudy
7:53 PM 66.9 °F - 34.0 °F 30% 29.97 in 10.0 mi NNE 20.7 mph 27.6 mph N/A   Scattered Clouds
8:53 PM 64.0 °F - 36.0 °F 35% 30.02 in 10.0 mi NNE 17.3 mph - N/A   Scattered Clouds
9:53 PM 62.1 °F - 37.0 °F 39% 30.02 in 10.0 mi NNE 11.5 mph - N/A   Partly Cloudy
10:53 PM 60.1 °F - 37.0 °F 42% 30.02 in 10.0 mi NE 11.5 mph - N/A   Clear
11:53 PM 57.9 °F - 37.9 °F 47% 30.04 in 10.0 mi North 11.5 mph - N/A   Partly Cloudy