Weather History for Great Falls, MT

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Wednesday, May 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 52 °F 50 °F  
Max Temperature 73 °F 63 °F 88 °F (1987)
Min Temperature 31 °F 36 °F 21 °F (1999)
Degree Days  
Heating Degree Days 13 16  
Month to date heating degree days 139 134  
Since 1 July heating degree days 6605 7251  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 1  
Growing Degree Days 1 (Base 50)    
Moisture  
Dew Point 34 °F    
Average Humidity 59    
Maximum Humidity 92    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in 0.06 in 0.97 in (1948)
Month to date precipitation 0.41 0.43  
Year to date precipitation 2.70 3.74  
Snow  
Snow 0.00 in 0.10 in 0.40 in (2002)
Month to date snowfall 0.0 1.1  
Since 1 July snowfall 76.2 61.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 6 mph (NE)    
Max Wind Speed 15 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 08, 2013 Rise Set
Actual Time 5:57 AM MDT 8:47 PM MDT
Civil Twilight 5:22 AM MDT 9:22 PM MDT
Nautical Twilight 4:37 AM MDT 10:08 PM MDT
Astronomical Twilight 3:43 AM MDT 11:02 PM MDT
Moon 5:13 AM MDT (5/8) 7:45 PM MDT (5/8)
Length of Visible Light 16h 00m
Length of Day
14h 49m
Waning Crescent, 2% of the Moon is Illuminated
May 8
Waning Crescent
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 48.9 °F - 32.0 °F 52% 30.10 in 10.0 mi NE 11.5 mph - N/A   Clear
1:53 AM 43.0 °F 38.8 °F 32.0 °F 65% 30.10 in 10.0 mi North 6.9 mph - N/A   Clear
2:53 AM 36.0 °F 31.1 °F 30.0 °F 79% 30.12 in 10.0 mi West 5.8 mph - N/A   Clear
3:53 AM 37.0 °F 31.0 °F 30.0 °F 76% 30.15 in 10.0 mi WNW 8.1 mph - N/A   Clear
4:53 AM 37.0 °F 31.6 °F 30.9 °F 79% 30.15 in 10.0 mi NW 6.9 mph - N/A   Clear
5:53 AM 30.9 °F 26.2 °F 28.0 °F 89% 30.17 in 10.0 mi West 4.6 mph - N/A   Clear
6:53 AM 36.0 °F 32.1 °F 32.0 °F 86% 30.17 in 10.0 mi SW 4.6 mph - N/A   Clear
7:53 AM 43.0 °F 41.3 °F 32.0 °F 65% 30.18 in 10.0 mi WNW 3.5 mph - N/A   Clear
8:53 AM 48.0 °F - 33.1 °F 56% 30.18 in 10.0 mi Variable 3.5 mph - N/A   Clear
9:53 AM 52.0 °F - 34.0 °F 50% 30.17 in 10.0 mi Variable 4.6 mph - N/A   Clear
10:53 AM 55.9 °F - 34.0 °F 44% 30.16 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 61.0 °F - 35.1 °F 38% 30.15 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 63.0 °F - 32.0 °F 31% 30.13 in 10.0 mi Variable 4.6 mph - N/A   Clear
1:53 PM 68.0 °F - 34.0 °F 28% 30.11 in 10.0 mi Variable 5.8 mph - N/A   Clear
2:53 PM 69.1 °F - 34.0 °F 27% 30.11 in 10.0 mi NNE 6.9 mph - N/A   Clear
3:53 PM 69.1 °F - 35.1 °F 29% 30.09 in 10.0 mi East 4.6 mph - N/A   Clear
4:53 PM 72.0 °F - 36.0 °F 27% 30.05 in 10.0 mi Calm Calm - N/A   Clear
5:53 PM 70.0 °F - 36.0 °F 29% 30.07 in 10.0 mi SE 3.5 mph - N/A   Clear
6:53 PM 70.0 °F - 37.0 °F 30% 30.05 in 10.0 mi East 5.8 mph - N/A   Clear
7:53 PM 66.9 °F - 39.0 °F 36% 30.04 in 10.0 mi NE 8.1 mph - N/A   Clear
8:53 PM 63.0 °F - 35.1 °F 35% 30.04 in 10.0 mi ENE 10.4 mph - N/A   Clear
9:53 PM 60.1 °F - 34.0 °F 38% 30.06 in 10.0 mi ENE 10.4 mph - N/A   Scattered Clouds
10:53 PM 57.9 °F - 36.0 °F 44% 30.08 in 10.0 mi East 9.2 mph - N/A   Scattered Clouds
11:53 PM 55.9 °F - 37.0 °F 49% 30.07 in 10.0 mi East 11.5 mph - N/A   Partly Cloudy