History for Great Falls, MT

Monday, February 18, 2013 — View Current Conditions
Monday, February 18, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 26 °F 28 °F  
Max Temperature 32 °F 39 °F 66 °F (1896)
Min Temperature 19 °F 16 °F -35 °F (1936)
Degree Days
Heating Degree Days 39 37  
Month to date heating degree days 543 691  
Since 1 July heating degree days 4463 5142  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 19 °F    
Average Humidity 77    
Maximum Humidity 92    
Minimum Humidity 62    
Precipitation
Precipitation 0.02 in 0.01 in 0.27 in (1949)
Month to date precipitation 0.42 0.28  
Year to date precipitation 1.03 0.79  
Snow
Snow 0.60 in 0.30 in 3.50 in (1949)
Month to date snowfall 9.4 5.1  
Since 1 July snowfall 55.6 36.9  
Snow Depth 4.00 in    
Sea Level Pressure
Sea Level Pressure 30.10 in    
Wind
Wind Speed 7 mph (South)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 6 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 18, 2013 Rise Set
Actual Time 7:25 AM MST 5:54 PM MST
Civil Twilight 6:53 AM MST 6:25 PM MST
Nautical Twilight 6:18 AM MST 7:01 PM MST
Astronomical Twilight 5:42 AM MST 7:37 PM MST
Moon 11:30 AM MST 2:19 AM MST
Length Of Visible Light 11h 31m
Length of Day
10h 29m
First Quarter, 59% of the Moon is Illuminated
Feb 18
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
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Hourly Observations
Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:48 AM 26.6 °F 18.2 °F 21.2 °F 80% 30.04 in 1.5 mi WNW 8.1 mph - 0.00 in Snow Light Snow
12:53 AM 26.1 °F 18.4 °F 23.0 °F 88% 30.17 in 1.5 mi West 6.9 mph - 0.00 in Snow Light Snow
1:03 AM 26.6 °F 22.6 °F 23.0 °F 86% 30.05 in 1.5 mi WNW 3.5 mph - 0.00 in Snow Light Snow
1:18 AM 26.6 °F - 23.0 °F 86% 30.05 in 1.5 mi Calm Calm - 0.00 in Snow Light Snow
1:49 AM 24.8 °F 20.5 °F 21.2 °F 86% 30.05 in 2.5 mi WSW 3.5 mph - 0.01 in Snow Light Snow
1:53 AM 24.1 °F 18.2 °F 21.0 °F 88% 30.19 in 2.5 mi WSW 4.6 mph - 0.01 in Snow Light Snow
2:01 AM 24.8 °F 19.1 °F 21.2 °F 86% 30.06 in 2.5 mi WSW 4.6 mph - 0.00 in Snow Light Snow
2:12 AM 24.8 °F 19.1 °F 21.2 °F 86% 30.06 in 2.5 mi WSW 4.6 mph - 0.00 in Snow Light Snow
2:38 AM 24.8 °F 17.9 °F 21.2 °F 86% 30.06 in 3.0 mi WSW 5.8 mph - 0.00 in Snow Light Snow
2:46 AM 24.8 °F 19.1 °F 21.2 °F 86% 30.06 in 3.0 mi WSW 4.6 mph - 0.00 in Snow Light Snow
2:53 AM 25.0 °F 19.3 °F 21.9 °F 88% 30.19 in 2.0 mi SW 4.6 mph - 0.00 in Snow Light Snow
3:17 AM 24.8 °F 19.1 °F 21.2 °F 86% 30.06 in 2.0 mi SSW 4.6 mph - 0.00 in Snow Light Snow
3:25 AM 24.8 °F 19.1 °F 21.2 °F 86% 30.06 in 1.5 mi SSW 4.6 mph - 0.00 in Snow Light Snow
3:41 AM 24.8 °F 19.1 °F 21.2 °F 86% 30.06 in 1.5 mi SW 4.6 mph - 0.01 in Snow Light Snow
3:53 AM 25.0 °F 19.3 °F 21.9 °F 88% 30.19 in 2.0 mi SW 4.6 mph - 0.01 in Snow Light Snow
4:53 AM 24.8 °F 17.9 °F 21.2 °F 86% 30.06 in 2.5 mi SSW 5.8 mph - N/A Snow Light Snow
5:14 AM 24.8 °F 17.9 °F 21.2 °F 86% 30.06 in 5.0 mi SSW 5.8 mph - 0.00 in Snow Light Snow
5:53 AM 25.0 °F 20.7 °F 21.9 °F 88% 30.19 in 6.0 mi South 3.5 mph - 0.00 in   Overcast
6:53 AM 25.0 °F 18.1 °F 21.0 °F 85% 30.20 in 10.0 mi South 5.8 mph - N/A   Overcast
7:19 AM 23.0 °F 15.8 °F 19.4 °F 86% 30.05 in 10.0 mi South 5.8 mph - N/A   Overcast
7:53 AM 19.9 °F 12.1 °F 17.1 °F 89% 30.22 in 9.0 mi SSW 5.8 mph - N/A   Overcast
8:53 AM 21.9 °F - 19.0 °F 89% 30.20 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 24.1 °F 19.7 °F 19.0 °F 81% 30.20 in 10.0 mi SE 3.5 mph - N/A   Clear
10:53 AM 25.0 °F 19.3 °F 19.0 °F 78% 30.19 in 10.0 mi South 4.6 mph - N/A   Clear
11:53 AM 27.0 °F 19.5 °F 18.0 °F 69% 30.18 in 10.0 mi South 6.9 mph - N/A   Clear
12:53 PM 28.9 °F 21.9 °F 19.0 °F 67% 30.15 in 10.0 mi SSE 6.9 mph - N/A   Clear
1:53 PM 30.9 °F 24.3 °F 19.9 °F 64% 30.12 in 10.0 mi East 6.9 mph - N/A   Clear
2:53 PM 32.0 °F 25.6 °F 21.0 °F 64% 30.10 in 10.0 mi East 6.9 mph - N/A   Clear
3:53 PM 30.9 °F 24.3 °F 21.0 °F 67% 30.08 in 10.0 mi ESE 6.9 mph - N/A   Clear
4:53 PM 28.9 °F 20.4 °F 18.0 °F 64% 30.06 in 10.0 mi ESE 9.2 mph - N/A   Clear
5:53 PM 24.1 °F 13.7 °F 14.0 °F 65% 30.06 in 10.0 mi ESE 10.4 mph - N/A   Clear
6:53 PM 25.0 °F 14.8 °F 14.0 °F 63% 30.04 in 10.0 mi ESE 10.4 mph - N/A   Clear
7:53 PM 23.0 °F 13.1 °F 12.9 °F 65% 30.04 in 10.0 mi ESE 9.2 mph - N/A   Clear
8:53 PM 21.9 °F 11.0 °F 12.9 °F 68% 30.03 in 10.0 mi ESE 10.4 mph - N/A   Clear
9:53 PM 21.0 °F 9.9 °F 12.0 °F 68% 30.02 in 10.0 mi ESE 10.4 mph - N/A   Clear
10:53 PM 21.0 °F 13.4 °F 12.0 °F 68% 30.01 in 10.0 mi SE 5.8 mph - N/A   Clear
11:53 PM 21.0 °F 13.4 °F 12.0 °F 68% 29.99 in 10.0 mi East 5.8 mph - N/A   Clear
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