Weather History for Great Falls, MT

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Friday, June 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 55 °F 61 °F  
Max Temperature 68 °F 75 °F 102 °F (1919)
Min Temperature 42 °F 47 °F 37 °F (1997)
Degree Days  
Heating Degree Days 10 5  
Month to date heating degree days 149 152  
Since 1 June heating degree days 149 152  
Since 1 July heating degree days 6999 7687  
Cooling Degree Days 0 1  
Month to date cooling degree days 5 17  
Year to date cooling degree days 8 24  
Since 1 June cooling degree days 5 17  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 40 °F    
Average Humidity 62    
Maximum Humidity 89    
Minimum Humidity 34    
Precipitation  
Precipitation 0.01 in 0.08 in 1.61 in (1907)
Month to date precipitation 2.28 1.93  
Year to date precipitation 7.36 7.66  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.3  
Since 1 June snowfall 0.0 0.3  
Since 1 July snowfall 76.2 63.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 6 mph (South)    
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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Date:

Astronomy

Jun. 21, 2013 Rise Set
Actual Time 5:28 AM MDT 9:26 PM MDT
Civil Twilight 4:47 AM MDT 10:06 PM MDT
Nautical Twilight 3:51 AM MDT 11:03 PM MDT
Astronomical Twilight 2:22 AM MDT 12:31 AM MDT
Moon 7:36 PM MDT (6/21) 3:53 AM MDT (6/21)
Length of Visible Light 17h 19m
Length of Day
15h 58m
Waxing Gibbous, 95% of the Moon is Illuminated
Jun 21
Waxing Gibbous
Jun 23
Full
Jun 29
Last Quarter
Jul 8
New
Jul 15
First 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 42.1 °F 38.4 °F 37.0 °F 82% 30.06 in 10.0 mi SW 5.8 mph - N/A   Scattered Clouds
1:53 AM 43.0 °F 37.2 °F 37.9 °F 82% 30.04 in 10.0 mi SSW 10.4 mph - N/A   Clear
2:53 AM 44.1 °F 39.5 °F 39.0 °F 82% 30.03 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
3:53 AM 45.0 °F 40.6 °F 39.0 °F 80% 30.01 in 10.0 mi South 8.1 mph - N/A   Partly Cloudy
4:53 AM 44.1 °F 39.0 °F 39.0 °F 82% 30.02 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
5:53 AM 45.0 °F 43.5 °F 41.0 °F 86% 30.03 in 10.0 mi West 3.5 mph - N/A   Overcast
6:53 AM 46.0 °F 44.8 °F 41.0 °F 83% 30.03 in 10.0 mi South 3.5 mph - N/A   Overcast
7:53 AM 48.9 °F - 41.0 °F 74% 30.04 in 10.0 mi SSW 4.6 mph - N/A   Overcast
8:53 AM 51.1 °F - 39.9 °F 66% 30.06 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
9:53 AM 54.0 °F - 41.0 °F 62% 30.06 in 10.0 mi SW 5.8 mph - N/A   Overcast
10:53 AM 57.0 °F - 37.0 °F 47% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM 61.0 °F - 37.0 °F 41% 30.03 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:53 PM 64.0 °F - 36.0 °F 35% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
1:53 PM 66.0 °F - 37.0 °F 34% 29.99 in 10.0 mi West 6.9 mph - N/A   Clear
2:53 PM 64.0 °F - 37.0 °F 37% 29.99 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
3:53 PM 66.9 °F - 39.0 °F 36% 29.99 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
4:53 PM 63.0 °F - 45.0 °F 52% 30.01 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
5:53 PM 62.1 °F - 42.1 °F 48% 30.00 in 10.0 mi ESE 9.2 mph - 0.01 in   Scattered Clouds
6:53 PM 63.0 °F - 42.1 °F 46% 29.99 in 10.0 mi SE 5.8 mph - N/A   Partly Cloudy
7:53 PM 63.0 °F - 43.0 °F 48% 29.99 in 10.0 mi SSE 4.6 mph - N/A   Clear
8:53 PM 60.1 °F - 42.1 °F 51% 30.00 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 54.0 °F - 43.0 °F 66% 30.02 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
10:53 PM 53.1 °F - 46.0 °F 77% 30.03 in 10.0 mi East 6.9 mph - N/A   Clear
11:53 PM 50.0 °F - 45.0 °F 83% 30.03 in 10.0 mi NNE 10.4 mph - N/A   Clear