Great Falls, MT

4:58 AM MDT on May 25, 2017 (GMT -0600)
Great Falls International

Weather History for KGTF - September, 2013

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Tuesday, September 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F 56 °F  
Max Temperature 70 °F 70 °F 92 °F (2009)
Min Temperature 49 °F 42 °F 26 °F (1965)
Degree Days  
Heating Degree Days 5 10  
Month to date heating degree days 9 126  
Since 1 July heating degree days 33 247  
Cooling Degree Days 0 1  
Month to date cooling degree days 74 19  
Year to date cooling degree days 443 295  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 60    
Maximum Humidity 80    
Minimum Humidity 40    
Precipitation  
Precipitation T in 0.05 in 1.09 in (1996)
Month to date precipitation 0.38 0.86  
Year to date precipitation 9.27 12.19  
Snow  
Snow 0.00 in 0.10 in 4.50 in (1988)
Month to date snowfall 0.0 0.5  
Since 1 July snowfall 0.0 0.8  
Since 1 September snowfall 0.0 0.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.69 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 17, 2013 Rise Set
Actual Time 7:05 AM MDT 7:32 PM MDT
Civil Twilight 6:35 AM MDT 8:03 PM MDT
Nautical Twilight 5:58 AM MDT 8:39 PM MDT
Astronomical Twilight 5:20 AM MDT 9:17 PM MDT
Moon 6:25 PM MDT (9/17) 4:59 AM MDT (9/17)
Length of Visible Light 13h 28m
Length of Day
12h 26m
Waxing Gibbous, 96% of the Moon is Illuminated
Sep 17
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 60.1 °F 41.0 °F 49% 29.73 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 57.9 °F 41.0 °F 53% 29.73 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 55.0 °F 42.1 °F 62% 29.73 in 10.0 mi SSE 5.8 mph - N/A   Clear
3:53 AM 50.0 °F 43.0 °F 77% 29.75 in 10.0 mi SW 6.9 mph - N/A   Clear
4:53 AM 52.0 °F 44.1 °F 74% 29.75 in 10.0 mi Variable 5.8 mph - N/A   Clear
5:53 AM 50.0 °F 43.0 °F 77% 29.76 in 10.0 mi SW 6.9 mph - N/A   Clear
6:53 AM 48.9 °F 43.0 °F 80% 29.76 in 10.0 mi SSW 10.4 mph - N/A   Clear
7:53 AM 55.0 °F 44.1 °F 67% 29.76 in 10.0 mi SSW 5.8 mph - N/A   Clear
8:53 AM 64.0 °F 45.0 °F 50% 29.77 in 10.0 mi South 4.6 mph - N/A   Clear
9:53 AM 64.0 °F 46.0 °F 52% 29.75 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 66.0 °F 46.0 °F 48% 29.75 in 10.0 mi SSW 4.6 mph - N/A   Clear
11:53 AM 68.0 °F 45.0 °F 43% 29.73 in 10.0 mi SE 6.9 mph - N/A   Clear
12:53 PM 70.0 °F 45.0 °F 41% 29.69 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 69.1 °F 48.0 °F 47% 29.70 in 10.0 mi SSW 4.6 mph - N/A   Clear
2:53 PM 66.0 °F 46.9 °F 50% 29.67 in 10.0 mi South 12.7 mph - N/A   Scattered Clouds
3:53 PM 68.0 °F 48.9 °F 50% 29.67 in 10.0 mi SSW 12.7 mph - N/A   Scattered Clouds
4:53 PM 66.0 °F 46.0 °F 48% 29.66 in 10.0 mi SW 13.8 mph - N/A   Overcast
5:46 PM 62.6 °F 48.2 °F 59% 29.66 in 10.0 mi SW 12.7 mph - 0.00 in   Overcast
5:53 PM 62.1 °F 48.0 °F 60% 29.63 in 10.0 mi SSW 13.8 mph 20.7 mph 0.00 in   Overcast
6:53 PM 62.1 °F 48.9 °F 62% 29.63 in 10.0 mi South 17.3 mph 21.9 mph N/A   Clear
7:53 PM 62.1 °F 46.9 °F 58% 29.60 in 10.0 mi West 12.7 mph 19.6 mph N/A   Mostly Cloudy
8:53 PM 59.0 °F 48.0 °F 67% 29.59 in 10.0 mi North 4.6 mph - N/A   Clear
9:53 PM 57.0 °F 46.9 °F 69% 29.59 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:53 PM 57.9 °F 46.0 °F 65% 29.60 in 10.0 mi South 10.4 mph - N/A   Clear
11:53 PM 59.0 °F 46.0 °F 62% 29.58 in 10.0 mi South 12.7 mph - N/A   Scattered Clouds