Weather History for Great Falls, MT

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Monday, March 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 30 °F 33 °F  
Max Temperature 37 °F 44 °F 70 °F (1916)
Min Temperature 22 °F 21 °F -29 °F (1932)
Degree Days  
Heating Degree Days 35 32  
Month to date heating degree days 346 372  
Since 1 July heating degree days 5159 5877  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 21 °F    
Average Humidity 72    
Maximum Humidity 85    
Minimum Humidity 58    
Precipitation  
Precipitation 0.07 in 0.03 in 0.45 in (1929)
Month to date precipitation 0.11 0.27  
Year to date precipitation 1.15 1.25  
Snow  
Snow 0.90 in 0.40 in 7.50 in (1997)
Month to date snowfall 2.0 4.1  
Since 1 July snowfall 57.8 44.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.23 in    
Wind  
Wind Speed 7 mph (NNE)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 6 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 11, 2013 Rise Set
Actual Time 7:45 AM MDT 7:25 PM MDT
Civil Twilight 7:15 AM MDT 7:56 PM MDT
Nautical Twilight 6:39 AM MDT 8:32 PM MDT
Astronomical Twilight 6:03 AM MDT 9:08 PM MDT
Moon 7:19 AM MDT (3/11) 7:46 PM MDT (3/11)
Length of Visible Light 12h 41m
Length of Day
11h 39m
Waning Crescent, 0% of the Moon is Illuminated
Mar 11
Waning Crescent
Mar 11
New
Mar 19
First Quarter
Mar 27
Full
Apr 2
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 35.6 °F 25.9 °F 23.0 °F 60% 29.99 in 10.0 mi WSW 16.1 mph - N/A   Clear
1:53 AM 34.0 °F 25.5 °F 21.9 °F 61% 30.06 in 10.0 mi WSW 11.5 mph - N/A   Clear
2:53 AM 33.1 °F 27.7 °F 21.0 °F 61% - 10.0 mi West 5.8 mph - N/A   Clear
3:53 AM 30.9 °F - 19.9 °F 64% 30.10 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:53 AM 28.9 °F 23.9 °F 19.0 °F 67% 30.10 in 10.0 mi NE 4.6 mph - N/A   Clear
5:53 AM 26.1 °F 20.5 °F 19.0 °F 75% 30.11 in 10.0 mi NNE 4.6 mph - N/A   Mostly Cloudy
6:53 AM 30.0 °F 24.1 °F 21.0 °F 69% 30.12 in 10.0 mi NE 5.8 mph - N/A   Overcast
7:53 AM 30.0 °F 21.1 °F 19.9 °F 66% 30.12 in 10.0 mi NE 10.4 mph - 0.00 in   Mostly Cloudy
8:53 AM 30.0 °F 20.0 °F 21.0 °F 69% 30.15 in 10.0 mi NE 12.7 mph - N/A   Overcast
9:53 AM 30.0 °F 19.5 °F 21.9 °F 72% 30.22 in 9.0 mi NNE 13.8 mph - N/A   Overcast
10:07 AM 30.2 °F 19.3 °F 23.0 °F 75% 30.13 in 2.5 mi North 15.0 mph - 0.00 in Snow Light Snow
10:17 AM 30.2 °F 19.8 °F 23.0 °F 75% 30.14 in 3.0 mi NNE 13.8 mph - 0.00 in Snow Light Snow
10:29 AM 28.4 °F 18.5 °F 23.0 °F 80% 30.14 in 2.0 mi NNE 11.5 mph - 0.00 in Snow Light Snow
10:50 AM 28.4 °F 18.5 °F 23.0 °F 80% 30.16 in 1.2 mi NE 11.5 mph - 0.00 in Snow Light Snow
10:53 AM 28.9 °F 19.2 °F 23.0 °F 78% 30.26 in 1.0 mi NE 11.5 mph - 0.00 in Snow Light Snow
11:00 AM 28.4 °F 18.5 °F 23.0 °F 80% 30.16 in 0.8 mi NNE 11.5 mph - 0.00 in Snow Light Snow
11:06 AM 28.4 °F 18.0 °F 23.0 °F 80% 30.16 in 1.5 mi NNE 12.7 mph - 0.00 in Snow Light Snow
11:16 AM 28.4 °F 17.5 °F 23.0 °F 80% 30.17 in 0.8 mi NE 13.8 mph - 0.00 in Snow Light Snow
11:46 AM 28.4 °F 18.0 °F 23.0 °F 80% 30.17 in 1.0 mi NNE 12.7 mph - 0.02 in Snow Light Snow
11:53 AM 28.9 °F 20.4 °F 24.1 °F 82% 30.29 in 1.0 mi NNE 9.2 mph - 0.03 in Snow Light Snow
12:00 PM 28.4 °F 20.4 °F 24.8 °F 86% 30.18 in 0.5 mi NNE 8.1 mph - 0.00 in Snow Snow
12:04 PM 28.4 °F 20.4 °F 24.8 °F 86% 30.18 in 0.2 mi NNE 8.1 mph - 0.00 in Snow Heavy Snow
12:37 PM 28.4 °F 22.2 °F 23.0 °F 80% 30.19 in 0.8 mi NNE 5.8 mph - 0.03 in Snow Light Snow
12:53 PM 28.0 °F 19.3 °F 21.9 °F 78% 30.32 in 0.8 mi NNE 9.2 mph 20.7 mph 0.04 in Snow Light Snow
12:57 PM 28.4 °F 19.7 °F 21.2 °F 74% 30.19 in 1.2 mi NNE 9.2 mph - 0.00 in Snow Light Snow
12:59 PM 28.4 °F 19.7 °F 21.2 °F 74% 30.19 in 2.0 mi NNE 9.2 mph - 0.00 in Snow Light Snow
1:12 PM 30.2 °F 20.2 °F 21.2 °F 69% 30.19 in 4.0 mi North 12.7 mph - 0.00 in Snow Light Snow
1:23 PM 30.2 °F 19.8 °F 21.2 °F 69% 30.20 in 2.0 mi North 13.8 mph - 0.00 in Snow Light Snow
1:45 PM 30.2 °F 21.9 °F 23.0 °F 75% 30.20 in 1.5 mi North 9.2 mph 19.6 mph 0.00 in Snow Light Snow
1:53 PM 30.0 °F 20.0 °F 21.9 °F 72% 30.33 in 1.5 mi North 12.7 mph - 0.00 in Snow Light Snow
2:07 PM 30.2 °F 20.2 °F 21.2 °F 69% 30.20 in 3.0 mi North 12.7 mph - 0.00 in Snow Light Snow
2:14 PM 30.2 °F 21.3 °F 21.2 °F 69% 30.20 in 3.0 mi North 10.4 mph - 0.00 in Snow Light Snow
2:32 PM 30.2 °F 23.4 °F 21.2 °F 69% 30.20 in 2.5 mi North 6.9 mph - 0.00 in Snow Light Snow
2:35 PM 30.2 °F 24.3 °F 21.2 °F 69% 30.20 in 3.0 mi North 5.8 mph - 0.00 in Snow Light Snow
2:53 PM 32.0 °F 23.0 °F 19.9 °F 61% 30.32 in 10.0 mi North 11.5 mph - 0.00 in   Overcast
3:53 PM 30.9 °F 21.2 °F 19.0 °F 61% 30.34 in 9.0 mi North 12.7 mph - 0.00 in   Overcast
4:26 PM 30.2 °F 22.6 °F 19.4 °F 64% 30.21 in 5.0 mi NNW 8.1 mph - 0.00 in Snow Light Snow
4:34 PM 30.2 °F 24.3 °F 19.4 °F 64% 30.22 in 4.0 mi NW 5.8 mph - 0.00 in Snow Light Snow
4:42 PM 30.2 °F 20.8 °F 19.4 °F 64% 30.22 in 7.0 mi North 11.5 mph - 0.00 in Snow Light Snow
4:53 PM 30.9 °F 22.8 °F 18.0 °F 59% 30.36 in 9.0 mi North 9.2 mph - 0.00 in   Overcast
5:01 PM 30.2 °F 23.4 °F 17.6 °F 60% 30.22 in 10.0 mi North 6.9 mph - N/A   Overcast
5:53 PM 30.9 °F 27.5 °F 18.0 °F 59% 30.38 in 10.0 mi NNE 3.5 mph - N/A   Overcast
6:53 PM 30.0 °F 21.7 °F 19.0 °F 64% 30.39 in 10.0 mi NNE 9.2 mph - N/A   Overcast
7:53 PM 28.0 °F - 21.0 °F 75% 30.41 in 4.0 mi Calm Calm - 0.00 in Snow Light Snow
8:53 PM 26.1 °F - 19.9 °F 78% 30.43 in 10.0 mi Calm Calm - 0.00 in   Mostly Cloudy
9:53 PM 24.1 °F 18.2 °F 19.0 °F 81% 30.44 in 10.0 mi South 4.6 mph - N/A   Overcast
10:13 PM 26.6 °F 21.2 °F 21.2 °F 80% 30.28 in 10.0 mi South 4.6 mph - N/A   Overcast
10:30 PM 26.6 °F 20.0 °F 21.2 °F 80% 30.28 in 9.0 mi SSW 5.8 mph - N/A   Overcast
10:53 PM 26.1 °F 20.5 °F 21.9 °F 84% 30.43 in 8.0 mi SSW 4.6 mph - 0.00 in Snow Light Snow
11:53 PM 24.1 °F 17.0 °F 21.0 °F 88% 30.43 in 10.0 mi SW 5.8 mph - 0.00 in   Overcast