Weather History for Great Falls, MT

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Tuesday, September 24, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F 53 °F  
Max Temperature 60 °F 67 °F 93 °F (2009)
Min Temperature 46 °F 39 °F 10 °F (1926)
Degree Days  
Heating Degree Days 12 12  
Month to date heating degree days 70 205  
Since 1 July heating degree days 94 326  
Cooling Degree Days 0 0  
Month to date cooling degree days 80 20  
Year to date cooling degree days 449 296  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 39 °F    
Average Humidity 67    
Maximum Humidity 93    
Minimum Humidity 40    
Precipitation  
Precipitation 0.14 in 0.04 in 1.18 in (1918)
Month to date precipitation 0.58 1.17  
Year to date precipitation 9.47 12.50  
Snow  
Snow 0.00 in 0.10 in 4.80 in (1901)
Month to date snowfall 0.0 0.8  
Since 1 July snowfall 0.0 1.1  
Since 1 September snowfall 0.0 0.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.81 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 24, 2013 Rise Set
Actual Time 7:15 AM MDT 7:18 PM MDT
Civil Twilight 6:44 AM MDT 7:49 PM MDT
Nautical Twilight 6:08 AM MDT 8:24 PM MDT
Astronomical Twilight 5:31 AM MDT 9:01 PM MDT
Moon 10:17 PM MDT (9/24) 12:54 PM MDT (9/24)
Length of Visible Light 13h 04m
Length of Day
12h 03m
Waning Gibbous, 72% of the Moon is Illuminated
Sep 24
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
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 53.1 °F - 30.9 °F 43% 29.87 in 10.0 mi SW 13.8 mph - N/A   Clear
1:53 AM 53.1 °F - 32.0 °F 45% 29.86 in 10.0 mi SW 15.0 mph - N/A   Clear
2:53 AM 50.0 °F - 32.0 °F 50% 29.87 in 10.0 mi SW 13.8 mph - N/A   Clear
3:53 AM 52.0 °F - 33.1 °F 49% 29.88 in 10.0 mi SW 13.8 mph - N/A   Clear
4:53 AM 53.1 °F - 33.1 °F 47% 29.86 in 10.0 mi SSW 15.0 mph - N/A   Clear
5:53 AM 53.1 °F - 33.1 °F 47% 29.86 in 10.0 mi SW 12.7 mph - N/A   Clear
6:53 AM 51.1 °F - 33.1 °F 50% 29.86 in 10.0 mi SSW 11.5 mph - N/A   Partly Cloudy
7:53 AM 51.1 °F - 34.0 °F 52% 29.87 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
8:53 AM 53.1 °F - 34.0 °F 48% 29.87 in 10.0 mi SSW 11.5 mph - N/A   Clear
9:53 AM 57.9 °F - 34.0 °F 41% 29.84 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
10:53 AM 57.9 °F - 34.0 °F 41% 29.83 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
11:53 AM 57.0 °F - 37.0 °F 47% 29.82 in 10.0 mi SSE 8.1 mph - 0.00 in Rain Light Rain
12:53 PM 55.0 °F - 45.0 °F 69% 29.81 in 10.0 mi ESE 4.6 mph - 0.01 in Rain Light Rain
1:53 PM 53.1 °F - 45.0 °F 74% 29.78 in 10.0 mi NW 5.8 mph - 0.01 in Rain Light Rain
2:53 PM 53.1 °F - 44.1 °F 71% 29.78 in 10.0 mi WSW 4.6 mph - 0.00 in Rain Light Rain
3:53 PM 54.0 °F - 43.0 °F 66% 29.75 in 10.0 mi SE 5.8 mph - 0.00 in   Mostly Cloudy
4:53 PM 54.0 °F - 43.0 °F 66% 29.73 in 10.0 mi SE 4.6 mph - 0.00 in Rain Light Rain
5:53 PM 48.9 °F - 46.0 °F 90% 29.75 in 10.0 mi South 10.4 mph - 0.01 in Rain Light Rain
6:53 PM 48.0 °F - 45.0 °F 89% 29.74 in 10.0 mi SSW 9.2 mph - 0.00 in Rain Light Rain
7:53 PM 46.9 °F - 45.0 °F 93% 29.75 in 10.0 mi SSW 9.2 mph - 0.01 in Rain Light Rain
8:53 PM 46.9 °F - 45.0 °F 93% 29.75 in 10.0 mi SSW 10.4 mph - 0.01 in Rain Light Rain
9:53 PM 46.0 °F 40.6 °F 44.1 °F 93% 29.75 in 10.0 mi SSW 11.5 mph - 0.00 in Rain Light Rain
10:53 PM 46.0 °F 41.4 °F 45.0 °F 96% 29.75 in 5.0 mi SW 9.2 mph - 0.01 in Rain Rain
11:53 PM 46.0 °F 43.1 °F 45.0 °F 96% 29.75 in 10.0 mi SW 5.8 mph - 0.07 in Rain Light Rain