Helena, MT

10:35 AM MDT on May 29, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - September, 2013

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Friday, September 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F 53 °F  
Max Temperature 55 °F 67 °F 88 °F (1963)
Min Temperature 28 °F 39 °F 23 °F (1961)
Degree Days  
Heating Degree Days 23 12  
Month to date heating degree days 137 201  
Since 1 July heating degree days 140 270  
Cooling Degree Days 0 0  
Month to date cooling degree days 80 22  
Year to date cooling degree days 589 405  
Moisture  
Dew Point 30 °F    
Average Humidity 67    
Maximum Humidity 92    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.03 in 0.85 in (1982)
Month to date precipitation 1.36 1.01  
Year to date precipitation 9.48 9.56  
Snow  
Snow 0.00 in 0.00 in 11.30 in (1965)
Month to date snowfall 0.0 1.1  
Since 1 July snowfall 0.0 1.4  
Since 1 September snowfall 0.0 1.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
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. 27, 2013 Rise Set
Actual Time 7:21 AM MDT 7:14 PM MDT
Civil Twilight 6:51 AM MDT 7:45 PM MDT
Nautical Twilight 6:16 AM MDT 8:20 PM MDT
Astronomical Twilight 5:40 AM MDT 8:56 PM MDT
Moon 12:00 AM MDT (9/27) 3:14 PM MDT (9/27)
Length of Visible Light 12h 53m
Length of Day
11h 53m
Last Quarter, 44% of the Moon is Illuminated
Sep 27
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
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 36.0 °F 32.1 °F 32.0 °F 86% 30.12 in 10.0 mi NNW 4.6 mph - N/A   Overcast
1:53 AM 35.1 °F 32.2 °F 30.9 °F 85% 30.11 in 10.0 mi NW 3.5 mph - N/A   Clear
2:53 AM 35.1 °F - 30.9 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 36.0 °F - 30.0 °F 79% 30.10 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 33.1 °F - 30.0 °F 89% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 33.1 °F - 28.9 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 33.1 °F - 28.9 °F 85% 30.11 in 10.0 mi Calm Calm - N/A   Clear
7:38 AM 28.4 °F - 26.6 °F 93% 30.01 in 2.0 mi Calm Calm - N/A   Clear
7:46 AM 30.2 °F - 26.6 °F 86% 30.01 in 9.0 mi Calm Calm - N/A   Clear
7:53 AM 30.9 °F - 27.0 °F 85% 30.13 in 10.0 mi Calm Calm - N/A   Clear
7:57 AM 30.2 °F - 28.4 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:35 AM 35.6 °F - 32.0 °F 87% 30.01 in 7.0 mi Calm Calm - N/A   Scattered Clouds
8:53 AM 36.0 °F - 33.1 °F 89% 30.11 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 41.0 °F 38.0 °F 33.1 °F 73% 30.09 in 10.0 mi East 4.6 mph - N/A   Clear
10:53 AM 45.0 °F 41.2 °F 32.0 °F 60% 30.07 in 10.0 mi East 6.9 mph - N/A   Clear
11:53 AM 50.0 °F - 28.9 °F 44% 30.04 in 10.0 mi West 17.3 mph 21.9 mph N/A   Clear
12:53 PM 53.1 °F - 30.0 °F 41% 30.01 in 10.0 mi West 15.0 mph 20.7 mph N/A   Partly Cloudy
1:53 PM 52.0 °F - 28.9 °F 41% 30.00 in 10.0 mi WSW 10.4 mph 24.2 mph N/A   Mostly Cloudy
2:53 PM 52.0 °F - 30.0 °F 43% 29.99 in 10.0 mi West 8.1 mph 16.1 mph N/A   Overcast
3:53 PM 53.1 °F - 28.9 °F 40% 29.98 in 10.0 mi West 16.1 mph - N/A   Overcast
4:53 PM 52.0 °F - 28.9 °F 41% 29.99 in 10.0 mi West 13.8 mph 17.3 mph N/A   Overcast
5:53 PM 51.1 °F - 28.0 °F 41% 30.00 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
6:53 PM 50.0 °F - 28.9 °F 44% 30.01 in 10.0 mi WSW 9.2 mph - N/A   Mostly Cloudy
7:53 PM 50.0 °F - 28.9 °F 44% 30.01 in 10.0 mi SW 3.5 mph - N/A   Overcast
8:53 PM 48.9 °F - 28.9 °F 46% 30.01 in 10.0 mi WSW 5.8 mph - N/A   Overcast
9:53 PM 48.9 °F - 30.0 °F 48% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 48.0 °F - 30.9 °F 52% 29.99 in 10.0 mi WSW 3.5 mph - N/A   Overcast
11:53 PM 46.9 °F - 30.9 °F 54% 29.97 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy