Weather History for Great Falls, MT

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Saturday, May 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F 50 °F  
Max Temperature 80 °F 64 °F 88 °F (1960)
Min Temperature 40 °F 37 °F 23 °F (1983)
Degree Days  
Heating Degree Days 5 15  
Month to date heating degree days 161 179  
Since 1 July heating degree days 6627 7296  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 1  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 35 °F    
Average Humidity 41    
Maximum Humidity 62    
Minimum Humidity 19    
Precipitation  
Precipitation T in 0.06 in 0.65 in (1963)
Month to date precipitation 0.41 0.61  
Year to date precipitation 2.70 3.92  
Snow  
Snow 0.00 in 0.10 in 3.50 in (1943)
Month to date snowfall 0.0 1.5  
Since 1 July snowfall 76.2 62.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 8 mph (South)    
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

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Astronomy

May. 11, 2013 Rise Set
Actual Time 5:53 AM MDT 8:51 PM MDT
Civil Twilight 5:17 AM MDT 9:27 PM MDT
Nautical Twilight 4:31 AM MDT 10:13 PM MDT
Astronomical Twilight 3:35 AM MDT 11:10 PM MDT
Moon 7:01 AM MDT (5/11) 10:36 PM MDT (5/11)
Length of Visible Light 16h 09m
Length of Day
14h 57m
Waxing Crescent, 3% of the Moon is Illuminated
May 11
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

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 48.9 °F - 25.0 °F 39% 30.35 in 10.0 mi ESE 11.5 mph - N/A   Clear
1:53 AM 44.1 °F 40.1 °F 26.1 °F 49% 30.34 in 10.0 mi SE 6.9 mph - N/A   Clear
2:53 AM 43.0 °F 40.3 °F 27.0 °F 53% 30.32 in 10.0 mi SE 4.6 mph - N/A   Clear
3:53 AM 41.0 °F 37.1 °F 28.9 °F 62% 30.32 in 10.0 mi ESE 5.8 mph - N/A   Clear
4:53 AM 44.1 °F 39.0 °F 30.9 °F 60% 30.29 in 10.0 mi SE 9.2 mph - N/A   Clear
5:53 AM 42.1 °F 39.2 °F 30.0 °F 62% 30.28 in 10.0 mi ESE 4.6 mph - N/A   Clear
6:53 AM 44.1 °F 39.0 °F 32.0 °F 63% 30.27 in 10.0 mi ESE 9.2 mph - N/A   Clear
7:53 AM 51.1 °F - 32.0 °F 48% 30.24 in 10.0 mi SSE 12.7 mph - N/A   Clear
8:53 AM 57.0 °F - 33.1 °F 40% 30.24 in 10.0 mi SE 8.1 mph - N/A   Partly Cloudy
9:53 AM 60.1 °F - 36.0 °F 41% 30.21 in 10.0 mi SE 10.4 mph - N/A   Clear
10:53 AM 64.0 °F - 37.0 °F 37% 30.18 in 10.0 mi South 10.4 mph - N/A   Clear
11:53 AM 66.9 °F - 37.0 °F 33% 30.16 in 10.0 mi South 9.2 mph - N/A   Clear
12:53 PM 73.0 °F - 37.9 °F 28% 30.12 in 10.0 mi SW 15.0 mph - N/A   Clear
1:53 PM 77.0 °F - 37.9 °F 24% 30.09 in 10.0 mi West 8.1 mph 17.3 mph N/A   Clear
2:53 PM 78.1 °F - 34.0 °F 20% 30.06 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
3:53 PM 79.0 °F - 37.9 °F 23% 30.07 in 10.0 mi SW 10.4 mph 16.1 mph N/A   Overcast
4:53 PM 75.0 °F - 37.9 °F 26% 30.05 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
5:53 PM 75.0 °F - 37.9 °F 26% 30.02 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
6:53 PM 75.0 °F - 37.9 °F 26% 30.01 in 10.0 mi SSE 6.9 mph - 0.00 in   Partly Cloudy
7:53 PM 73.4 °F - 42.8 °F 33% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 PM 64.9 °F - 37.0 °F 36% 30.00 in 10.0 mi WNW 8.1 mph - N/A   Clear
9:53 PM 59.0 °F - 37.9 °F 46% 30.02 in 10.0 mi SW 9.2 mph - N/A   Clear
10:53 PM 55.9 °F - 37.9 °F 51% 30.02 in 10.0 mi SW 6.9 mph - N/A   Clear
11:53 PM 54.0 °F - 39.0 °F 57% 30.01 in 10.0 mi SSW 10.4 mph - N/A   Clear