Weather History for Great Falls, MT

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Tuesday, April 30, 2013

  Actual Average Record
Temperature  
Mean Temperature 30 °F 47 °F  
Max Temperature 39 °F 60 °F 85 °F (1987)
Min Temperature 21 °F 34 °F 17 °F (1909)
Degree Days  
Heating Degree Days 35 18  
Month to date heating degree days 761 659  
Since 1 July heating degree days 6466 7117  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 1  
Year to date cooling degree days 0 1  
Moisture  
Dew Point 24 °F    
Average Humidity 70    
Maximum Humidity 92    
Minimum Humidity 47    
Precipitation  
Precipitation 0.04 in 0.05 in 2.20 in (1951)
Month to date precipitation 1.01 1.42  
Year to date precipitation 2.29 3.31  
Snow  
Snow 0.80 in 0.20 in 5.80 in (1913)
Month to date snowfall 16.4 8.6  
Since 1 July snowfall 76.2 60.5  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 10 mph (NNW)    
Max Wind Speed 24 mph    
Max Gust Speed 28 mph    
Visibility 7 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 30, 2013 Rise Set
Actual Time 6:09 AM MDT 8:36 PM MDT
Civil Twilight 5:35 AM MDT 9:10 PM MDT
Nautical Twilight 4:52 AM MDT 9:53 PM MDT
Astronomical Twilight 4:03 AM MDT 10:43 PM MDT
Moon 1:07 AM MDT (4/30) 10:39 AM MDT (4/30)
Length of Visible Light 15h 35m
Length of Day
14h 26m
Waning Gibbous, 69% of the Moon is Illuminated
Apr 30
Waning Gibbous
May 2
Last Quarter
May 9
New
May 17
First Quarter
May 24
Full

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 30.0 °F 23.2 °F 25.0 °F 82% 29.87 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:53 AM 30.0 °F 24.1 °F 25.0 °F 82% 29.89 in 10.0 mi West 5.8 mph - N/A   Overcast
2:53 AM 28.9 °F 21.9 °F 26.1 °F 89% 29.90 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
3:53 AM 26.1 °F 16.8 °F 24.1 °F 92% 29.92 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
4:53 AM 28.0 °F 20.8 °F 24.1 °F 85% 29.95 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
5:26 AM 24.8 °F 17.9 °F 23.0 °F 93% 29.86 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
5:34 AM 24.8 °F 17.9 °F 23.0 °F 93% 29.86 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
5:51 AM 24.8 °F 20.5 °F 21.2 °F 86% 29.87 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
5:53 AM 24.1 °F - 21.9 °F 91% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:53 AM 26.1 °F 19.4 °F 23.0 °F 88% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
7:23 AM 26.6 °F 21.2 °F 24.8 °F 93% 29.92 in 10.0 mi West 4.6 mph - N/A   Overcast
7:42 AM 28.4 °F 19.1 °F 24.8 °F 86% 29.93 in 6.0 mi NW 10.4 mph - 0.00 in Snow Light Snow
7:46 AM 28.4 °F 18.5 °F 24.8 °F 86% 29.93 in 2.0 mi NW 11.5 mph 17.3 mph 0.00 in Snow Light Snow
7:53 AM 28.0 °F 17.0 °F 25.0 °F 88% 30.04 in 2.0 mi NNW 13.8 mph - 0.00 in Snow Light Snow
7:59 AM 28.4 °F 17.5 °F 24.8 °F 86% 29.94 in 3.0 mi NNW 13.8 mph - 0.00 in Snow Light Snow
8:08 AM 28.4 °F 19.1 °F 24.8 °F 86% 29.94 in 3.0 mi NNW 10.4 mph - 0.00 in Snow Light Snow
8:20 AM 28.4 °F 19.1 °F 23.0 °F 80% 29.95 in 2.5 mi NNW 10.4 mph - 0.00 in Snow Light Snow
8:42 AM 28.4 °F 19.1 °F 24.8 °F 86% 29.95 in 10.0 mi NW 10.4 mph - 0.00 in   Overcast
8:53 AM 30.0 °F 19.1 °F 24.1 °F 79% 30.06 in 10.0 mi NW 15.0 mph - 0.00 in   Overcast
9:04 AM 30.2 °F 18.1 °F 24.8 °F 80% 29.96 in 10.0 mi NW 18.4 mph 24.2 mph N/A   Overcast
9:53 AM 32.0 °F 21.6 °F 21.0 °F 64% 30.07 in 10.0 mi NNW 15.0 mph 24.2 mph N/A   Overcast
10:53 AM 34.0 °F 24.6 °F 21.9 °F 61% 30.10 in 10.0 mi NW 13.8 mph 18.4 mph N/A   Overcast
11:53 AM 35.1 °F 25.9 °F 21.9 °F 59% 30.13 in 10.0 mi NNW 13.8 mph - N/A   Overcast
12:02 PM 35.6 °F 28.0 °F 21.2 °F 56% 30.02 in 10.0 mi NNW 10.4 mph - N/A   Overcast
12:14 PM 37.4 °F 29.3 °F 23.0 °F 56% 30.02 in 10.0 mi NNW 12.7 mph 16.1 mph N/A   Overcast
12:30 PM 30.2 °F 17.1 °F 26.6 °F 86% 30.02 in 3.0 mi NNW 21.9 mph 27.6 mph 0.00 in Snow Light Snow
12:34 PM 30.2 °F 17.1 °F 26.6 °F 86% 30.03 in 1.8 mi NNW 21.9 mph - 0.00 in Snow Light Snow
12:40 PM 30.2 °F 18.5 °F 26.6 °F 86% 30.03 in 0.8 mi NNW 17.3 mph - 0.00 in Snow Light Snow
12:50 PM 30.2 °F 18.5 °F 28.4 °F 93% 30.04 in 0.5 mi North 17.3 mph - 0.00 in Fog , Snow Snow
12:53 PM 30.0 °F 19.1 °F 28.0 °F 92% 30.17 in 0.5 mi North 15.0 mph - 0.00 in Fog , Snow Snow
12:57 PM 30.2 °F 18.5 °F 28.4 °F 93% 30.04 in 1.0 mi North 17.3 mph - 0.01 in Snow Light Snow
1:06 PM 33.8 °F 22.5 °F 30.2 °F 87% 30.04 in 1.0 mi NNE 19.6 mph - 0.01 in Snow Light Snow
1:21 PM 35.6 °F 26.6 °F 32.0 °F 87% 30.04 in 3.0 mi NNE 13.8 mph 19.6 mph 0.01 in Snow Light Snow
1:28 PM 35.6 °F 26.2 °F 32.0 °F 87% 30.04 in 9.0 mi NE 15.0 mph - 0.01 in Snow Light Snow
1:51 PM 33.8 °F 22.8 °F 28.4 °F 81% 30.04 in 8.0 mi NNW 18.4 mph 23.0 mph 0.02 in Snow Light Snow
1:53 PM 35.1 °F 25.2 °F 28.9 °F 78% 30.16 in 8.0 mi North 16.1 mph 23.0 mph 0.02 in Snow Light Snow
2:25 PM 33.8 °F 23.5 °F 26.6 °F 75% 30.06 in 9.0 mi North 16.1 mph - 0.00 in   Overcast
2:51 PM 30.2 °F 19.8 °F 26.6 °F 86% 30.08 in 1.8 mi North 13.8 mph - 0.00 in Snow Light Snow
2:53 PM 30.9 °F 20.2 °F 27.0 °F 85% 30.21 in 1.2 mi North 15.0 mph - 0.00 in Snow Light Snow
2:58 PM 30.2 °F 20.2 °F 26.6 °F 86% 30.08 in 0.5 mi NNE 12.7 mph - 0.00 in Fog , Snow Snow
3:15 PM 32.0 °F 24.8 °F 26.6 °F 80% 30.09 in 1.8 mi NNE 8.1 mph - 0.02 in Snow Light Snow
3:24 PM 33.8 °F 23.9 °F 24.8 °F 70% 30.09 in 9.0 mi North 15.0 mph - 0.02 in Snow Light Snow
3:35 PM 35.6 °F 26.6 °F 24.8 °F 65% 30.09 in 10.0 mi North 13.8 mph - 0.02 in   Overcast
3:53 PM 37.9 °F 27.9 °F 28.0 °F 68% 30.22 in 10.0 mi North 19.6 mph 25.3 mph 0.02 in   Overcast
4:53 PM 36.0 °F 29.0 °F 19.9 °F 52% 30.23 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
5:53 PM 37.0 °F 28.9 °F 19.0 °F 48% 30.26 in 10.0 mi North 12.7 mph - N/A   Overcast
6:53 PM 36.0 °F 29.0 °F 17.1 °F 46% 30.29 in 10.0 mi North 9.2 mph - N/A   Overcast
7:53 PM 34.0 °F 25.5 °F 18.0 °F 52% 30.32 in 10.0 mi North 11.5 mph - N/A   Clear
8:53 PM 28.9 °F 21.9 °F 18.0 °F 64% 30.35 in 10.0 mi North 6.9 mph - N/A   Clear
9:53 PM 30.0 °F 23.2 °F 18.0 °F 61% 30.38 in 10.0 mi NNE 6.9 mph - N/A   Overcast
10:53 PM 26.1 °F 17.6 °F 19.0 °F 75% 30.40 in 10.0 mi NE 8.1 mph - N/A   Partly Cloudy
11:53 PM 24.1 °F 15.2 °F 18.0 °F 77% 30.42 in 10.0 mi ENE 8.1 mph - N/A   Clear