Great Falls, MT

11:16 AM MDT on September 16, 2019 (GMT -0600)
Great Falls International

Weather History for KGTF - August, 2019

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Wednesday, August 21, 2019

  Actual Average Record
Temperature  
Mean Temperature 72 °F 65 °F  
Max Temperature 94 °F 81 °F 99 °F (1894)
Min Temperature 50 °F 50 °F 38 °F (1992)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 28 34  
Since 1 June heating degree days 235 275  
Since 1 July heating degree days 78 84  
Cooling Degree Days 7 3  
Month to date cooling degree days 93 90  
Year to date cooling degree days 204 253  
Since 1 June cooling degree days 202 246  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 56    
Maximum Humidity 93    
Minimum Humidity 18    
Precipitation  
Precipitation 0.33 in 0.05 in 2.72 in (1933)
Month to date precipitation 1.09 1.01  
Year to date precipitation 11.94 10.77  
Snow  
Snow T in 0.10 in 0.00 in (2002)
Month to date snowfall T 0.2  
Since 1 June snowfall T 0.5  
Since 1 July snowfall T 0.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 10 mph (ESE)    
Max Wind Speed 46 mph    
Max Gust Speed 58 mph    
Visibility 8 miles    
Events Rain , Hail , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Aug. 21, 2019 Rise Set
Actual Time 6:29 AM MDT 8:26 PM MDT
Civil Twilight 5:56 AM MDT 8:59 PM MDT
Nautical Twilight 5:15 AM MDT 9:40 PM MDT
Astronomical Twilight 4:30 AM MDT 10:25 PM MDT
Moon 11:21 PM MDT (8/21) 12:31 PM MDT (8/21)
Length of Visible Light 15h 03m
Length of Day
13h 57m
Waning Gibbous, 68% of the Moon is Illuminated
Aug 21
Waning Gibbous
Aug 23
Last Quarter
Aug 30
New
Sep 5
First Quarter
Sep 13
Full

Hourly Weather History & Observations

Time (MDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 64.9 °F - 53.1 °F 65% 30.01 in 10.0 mi SSE 5.8 mph - N/A   Clear
1:53 AM 62.1 °F - 53.1 °F 72% 30.01 in 10.0 mi South 6.9 mph - N/A   Clear
2:53 AM 57.0 °F - 52.0 °F 83% 30.00 in 10.0 mi South 5.8 mph - N/A   Clear
3:53 AM 55.9 °F - 52.0 °F 87% 30.00 in 10.0 mi SSW 8.1 mph - N/A   Clear
4:53 AM 53.1 °F - 51.1 °F 93% 30.00 in 10.0 mi SSW 5.8 mph - N/A   Clear
5:53 AM 54.0 °F - 52.0 °F 93% 29.99 in 10.0 mi SSW 6.9 mph - N/A   Clear
6:53 AM 52.0 °F - 50.0 °F 93% 30.00 in 10.0 mi West 4.6 mph - N/A   Clear
7:53 AM 57.9 °F - 53.1 °F 84% 30.00 in 10.0 mi West 4.6 mph - N/A   Clear
8:53 AM 62.6 °F - 53.6 °F 72% 30.08 in 10.0 mi East 3.5 mph - N/A   Clear
10:53 AM 75.9 °F - 54.0 °F 46% 29.96 in 10.0 mi East 5.8 mph - N/A   Clear
11:53 AM 81.0 °F 80.4 °F 53.1 °F 38% 29.92 in 10.0 mi Variable 6.9 mph - N/A   Clear
12:53 PM 84.9 °F 83.3 °F 54.0 °F 34% 29.89 in 10.0 mi ENE 6.9 mph - N/A   Clear
1:53 PM 86.0 °F 84.2 °F 54.0 °F 33% 29.86 in 10.0 mi ENE 5.8 mph - N/A   Clear
2:53 PM 90.0 °F - 50.0 °F 25% 29.83 in 10.0 mi ENE 11.5 mph - N/A   Clear
3:53 PM 93.9 °F - 44.1 °F 18% 29.78 in 10.0 mi ENE 10.4 mph 19.6 mph N/A   Clear
4:53 PM 93.0 °F - 46.0 °F 20% 29.75 in 10.0 mi East 11.5 mph 18.4 mph N/A   Clear
5:53 PM 91.0 °F - 46.0 °F 21% 29.73 in 10.0 mi ESE 16.1 mph - N/A   Clear
6:53 PM 88.0 °F - 46.0 °F 23% 29.70 in 10.0 mi East 16.1 mph 23.0 mph N/A   Clear
7:21 PM 84.9 °F - 46.0 °F 26% 29.78 in 10.0 mi East 11.5 mph - N/A Thunderstorm Scattered Clouds
7:42 PM 71.1 °F - 57.9 °F 63% 29.79 in 2.5 mi SSW 21.9 mph 48.3 mph 0.05 in Rain , Thunderstorm Heavy Thunderstorms and Rain
7:48 PM 64.4 °F - 57.2 °F 77% 29.81 in 1.8 mi South 32.2 mph 46.0 mph 0.12 in Rain , Thunderstorm Heavy Thunderstorms and Rain
7:53 PM 63.0 °F - 55.9 °F 78% 29.79 in 0.8 mi SE 40.3 mph 57.5 mph 0.26 in Rain , Thunderstorm Heavy Thunderstorms and Rain
7:56 PM 61.0 °F - 55.9 °F 83% 29.81 in 0.8 mi ESE 41.4 mph 57.5 mph 0.03 in Rain , Hail , Thunderstorm Heavy Thunderstorms with Hail
7:59 PM 66.0 °F - 55.0 °F 68% 29.80 in 1.0 mi NE 17.3 mph 57.5 mph 0.07 in Rain , Hail , Thunderstorm Light Thunderstorms with Hail
8:02 PM 70.0 °F - 54.0 °F 57% 29.83 in 2.0 mi West 15.0 mph 57.5 mph 0.07 in Rain , Hail Light Hail
8:04 PM 71.1 °F - 54.0 °F 55% 29.85 in 5.0 mi West 15.0 mph 57.5 mph 0.07 in Rain , Hail Light Hail
8:07 PM 71.1 °F - 55.0 °F 57% 29.85 in 10.0 mi West 12.7 mph 33.4 mph 0.07 in Rain , Hail Light Hail
8:14 PM 70.0 °F - 55.0 °F 59% 29.82 in 10.0 mi NW 18.4 mph 32.2 mph 0.07 in Hail , Thunderstorm Hail
8:35 PM 66.0 °F - 59.0 °F 78% 29.82 in 10.0 mi North 8.1 mph - 0.07 in Hail Hail
8:53 PM 66.0 °F - 59.0 °F 78% 29.78 in 10.0 mi NNE 10.4 mph - 0.07 in   Clear
9:53 PM 70.0 °F - 57.9 °F 65% 29.77 in 10.0 mi ESE 8.1 mph - N/A   Clear
10:30 PM 72.0 °F - 54.0 °F 53% 29.80 in 10.0 mi NNW 9.2 mph 25.3 mph 0.00 in   Scattered Clouds
10:53 PM 70.0 °F - 55.9 °F 61% 29.69 in 10.0 mi SE 19.6 mph 24.2 mph 0.00 in Rain Light Rain
11:53 PM 66.9 °F - 55.0 °F 66% 29.70 in 10.0 mi ENE 10.4 mph - 0.00 in   Clear