Helena, MT

7:31 PM MST on February 25, 2017 (GMT -0700)
Helena Regional

Weather History for KHLN - September, 2013

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Monday, September 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F 58 °F  
Max Temperature 87 °F 72 °F 92 °F (2009)
Min Temperature 53 °F 43 °F 27 °F (1965)
Degree Days  
Heating Degree Days 0 8  
Month to date heating degree days 0 90  
Since 1 July heating degree days 3 159  
Cooling Degree Days 5 1  
Month to date cooling degree days 80 21  
Year to date cooling degree days 589 404  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 47    
Maximum Humidity 72    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.03 in 1.30 in (1947)
Month to date precipitation 0.16 0.63  
Year to date precipitation 8.28 9.18  
Snow  
Snow 0.00 in 0.10 in 0.30 in (1947)
Month to date snowfall 0.0 0.6  
Since 1 July snowfall 0.0 0.9  
Since 1 September snowfall 0.0 0.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 24 mph    
Max Gust Speed 35 mph    
Visibility 10 miles    
Events Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 16, 2013 Rise Set
Actual Time 7:07 AM MDT 7:36 PM MDT
Civil Twilight 6:37 AM MDT 8:07 PM MDT
Nautical Twilight 6:01 AM MDT 8:43 PM MDT
Astronomical Twilight 5:23 AM MDT 9:20 PM MDT
Moon 5:54 PM MDT (9/16) 3:49 AM MDT (9/16)
Length of Visible Light 13h 30m
Length of Day
12h 29m
Waxing Gibbous, 90% of the Moon is Illuminated
Sep 16
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 64.0 °F 48.9 °F 58% 29.86 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
1:53 AM 61.0 °F 48.9 °F 64% 29.86 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 AM 62.1 °F 48.9 °F 62% 29.86 in 10.0 mi South 3.5 mph - N/A   Clear
3:53 AM 61.0 °F 48.9 °F 64% 29.86 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 59.0 °F 48.9 °F 69% 29.88 in 10.0 mi West 4.6 mph - N/A   Clear
5:53 AM 60.1 °F 48.9 °F 67% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM 57.9 °F 48.0 °F 70% 29.88 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 57.9 °F 48.9 °F 72% 29.88 in 10.0 mi West 4.6 mph - N/A   Clear
8:53 AM 62.1 °F 48.9 °F 62% 29.88 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 66.0 °F 50.0 °F 56% 29.87 in 10.0 mi WNW 3.5 mph - N/A   Clear
10:53 AM 73.0 °F 51.1 °F 46% 29.84 in 10.0 mi NNW 3.5 mph - N/A   Clear
11:53 AM 79.0 °F 50.0 °F 36% 29.81 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 81.0 °F 46.0 °F 29% 29.78 in 10.0 mi South 10.4 mph - N/A   Clear
1:53 PM 87.1 °F 45.0 °F 23% 29.75 in 10.0 mi South 17.3 mph 29.9 mph N/A   Scattered Clouds
2:53 PM 82.9 °F 45.0 °F 26% 29.73 in 10.0 mi South 20.7 mph 32.2 mph N/A   Clear
3:06 PM 82.4 °F 44.6 °F 26% 29.78 in 10.0 mi South 17.3 mph 28.8 mph N/A Thunderstorm Clear
3:28 PM 80.6 °F 44.6 °F 28% 29.77 in 10.0 mi South 18.4 mph 27.6 mph N/A   Clear
3:53 PM 80.1 °F 43.0 °F 27% 29.72 in 10.0 mi South 19.6 mph 26.5 mph N/A   Clear
4:53 PM 82.9 °F 41.0 °F 23% 29.69 in 10.0 mi South 13.8 mph 25.3 mph N/A   Partly Cloudy
5:53 PM 82.9 °F 39.9 °F 22% 29.69 in 10.0 mi South 15.0 mph 26.5 mph N/A   Partly Cloudy
6:53 PM 82.0 °F 42.1 °F 24% 29.69 in 10.0 mi South 11.5 mph - N/A   Scattered Clouds
7:53 PM 73.9 °F 44.1 °F 34% 29.71 in 10.0 mi West 5.8 mph - N/A   Clear
8:53 PM 70.0 °F 44.1 °F 39% 29.74 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
9:53 PM 68.0 °F 43.0 °F 40% 29.76 in 10.0 mi West 6.9 mph - N/A   Clear
10:53 PM 66.9 °F 41.0 °F 39% 29.78 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 PM 66.0 °F 41.0 °F 40% 29.79 in 10.0 mi Calm Calm - N/A   Clear