Weather History for Great Falls, MT

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Thursday, May 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 48 °F 48 °F  
Max Temperature 67 °F 61 °F 86 °F (1985)
Min Temperature 29 °F 34 °F 16 °F (1954)
Degree Days  
Heating Degree Days 17 17  
Month to date heating degree days 50 35  
Since 1 July heating degree days 6516 7152  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 1  
Moisture  
Dew Point 19 °F    
Average Humidity 39    
Maximum Humidity 63    
Minimum Humidity 15    
Precipitation  
Precipitation 0.00 in 0.06 in 0.65 in (1964)
Month to date precipitation 0.00 0.11  
Year to date precipitation 2.29 3.42  
Snow  
Snow 0.00 in 0.20 in 4.50 in (1902)
Month to date snowfall 0.0 0.3  
Since 1 July snowfall 76.2 60.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.45 in    
Wind  
Wind Speed 13 mph (SW)    
Max Wind Speed 24 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 02, 2013 Rise Set
Actual Time 6:06 AM MDT 8:39 PM MDT
Civil Twilight 5:32 AM MDT 9:13 PM MDT
Nautical Twilight 4:48 AM MDT 9:57 PM MDT
Astronomical Twilight 3:58 AM MDT 10:48 PM MDT
Moon 2:26 AM MDT (5/2) 1:03 PM MDT (5/2)
Length of Visible Light 15h 41m
Length of Day
14h 32m
Waning Gibbous, 47% of the Moon is Illuminated
May 2
Waning Gibbous
May 9
New
May 17
First Quarter
May 24
Full
May 31
Last Quarter

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 28.0 °F 19.3 °F 17.1 °F 63% 30.65 in 10.0 mi SSW 9.2 mph - N/A   Clear
1:53 AM 30.9 °F 21.2 °F 17.1 °F 57% 30.63 in 10.0 mi SSW 12.7 mph - N/A   Clear
2:53 AM 32.0 °F 22.1 °F 18.0 °F 56% 30.61 in 10.0 mi SSW 13.8 mph - N/A   Clear
3:53 AM 32.0 °F 22.5 °F 18.0 °F 56% 30.61 in 10.0 mi SSW 12.7 mph - N/A   Clear
4:53 AM 30.9 °F 20.7 °F 18.0 °F 59% 30.62 in 10.0 mi SSW 13.8 mph - N/A   Clear
5:53 AM 30.9 °F 20.7 °F 18.0 °F 59% 30.60 in 10.0 mi SSW 13.8 mph - N/A   Clear
6:53 AM 33.1 °F 24.4 °F 19.0 °F 56% 30.60 in 10.0 mi SSW 11.5 mph - N/A   Clear
7:53 AM 39.9 °F 32.1 °F 19.9 °F 45% 30.58 in 10.0 mi SSW 13.8 mph - N/A   Clear
8:53 AM 45.0 °F 38.9 °F 21.9 °F 40% 30.58 in 10.0 mi SSW 12.7 mph - N/A   Clear
9:53 AM 50.0 °F - 19.0 °F 29% 30.54 in 10.0 mi SW 16.1 mph 21.9 mph N/A   Clear
10:53 AM 54.0 °F - 18.0 °F 24% 30.53 in 10.0 mi SW 13.8 mph 19.6 mph N/A   Clear
11:53 AM 55.9 °F - 18.0 °F 23% 30.49 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Clear
12:53 PM 59.0 °F - 19.0 °F 21% 30.45 in 10.0 mi SW 16.1 mph 19.6 mph N/A   Clear
1:53 PM 61.0 °F - 19.0 °F 20% 30.41 in 10.0 mi SSW 13.8 mph 26.5 mph N/A   Clear
2:53 PM 64.9 °F - 19.9 °F 18% 30.35 in 10.0 mi SW 16.1 mph 25.3 mph N/A   Clear
3:53 PM 64.0 °F - 17.1 °F 16% 30.32 in 10.0 mi SW 19.6 mph 27.6 mph N/A   Clear
4:53 PM 64.9 °F - 16.0 °F 15% 30.29 in 10.0 mi WSW 23.0 mph 28.8 mph N/A   Clear
5:53 PM 64.0 °F - 17.1 °F 16% 30.28 in 10.0 mi West 17.3 mph - N/A   Clear
6:53 PM 63.0 °F - 19.0 °F 18% 30.27 in 10.0 mi WSW 13.8 mph - N/A   Clear
7:53 PM 57.9 °F - 21.9 °F 25% 30.26 in 10.0 mi WSW 11.5 mph - N/A   Clear
8:53 PM 46.9 °F - 19.9 °F 34% 30.28 in 10.0 mi WSW 10.4 mph - N/A   Clear
9:53 PM 46.0 °F 41.0 °F 18.0 °F 33% 30.28 in 10.0 mi WSW 10.4 mph - N/A   Clear
10:53 PM 45.0 °F 41.8 °F 17.1 °F 33% 30.26 in 10.0 mi West 5.8 mph - N/A   Clear
11:53 PM 41.0 °F 37.1 °F 19.9 °F 43% 30.25 in 10.0 mi WSW 5.8 mph - N/A   Clear