Helena, MT

2:21 PM MDT on May 23, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - September, 2013

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Monday, September 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F 60 °F  
Max Temperature 77 °F 76 °F 93 °F (1982)
Min Temperature 54 °F 45 °F 25 °F (1959)
Degree Days  
Heating Degree Days 0 6  
Month to date heating degree days 0 41  
Since 1 July heating degree days 3 110  
Cooling Degree Days 1 1  
Month to date cooling degree days 53 14  
Year to date cooling degree days 562 397  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 48    
Maximum Humidity 67    
Minimum Humidity 29    
Precipitation  
Precipitation T in 0.04 in 0.77 in (1921)
Month to date precipitation 0.16 0.37  
Year to date precipitation 8.28 8.92  
Snow  
Snow 0.00 in 0.10 in 1.20 in (1921)
Month to date snowfall 0.0 0.3  
Since 1 July snowfall 0.0 0.6  
Since 1 September snowfall 0.0 0.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 8 mph (WNW)    
Max Wind Speed 20 mph    
Max Gust Speed 24 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. 09, 2013 Rise Set
Actual Time 6:58 AM MDT 7:50 PM MDT
Civil Twilight 6:27 AM MDT 8:21 PM MDT
Nautical Twilight 5:51 AM MDT 8:57 PM MDT
Astronomical Twilight 5:12 AM MDT 9:36 PM MDT
Moon 11:43 AM MDT (9/9) 9:50 PM MDT (9/9)
Length of Visible Light 13h 53m
Length of Day
12h 52m
Waxing Crescent, 19% of the Moon is Illuminated
Sep 9
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.9 °F 43.0 °F 58% 29.99 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
1:53 AM 60.1 °F 42.1 °F 51% 29.96 in 10.0 mi West 13.8 mph 20.7 mph N/A   Mostly Cloudy
2:53 AM 61.0 °F 42.1 °F 50% 29.96 in 10.0 mi West 12.7 mph - N/A   Overcast
3:53 AM 60.1 °F 42.1 °F 51% 29.95 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
4:53 AM 61.0 °F 41.0 °F 48% 29.96 in 10.0 mi WNW 10.4 mph - N/A   Overcast
5:53 AM 61.0 °F 42.1 °F 50% 29.95 in 10.0 mi NW 6.9 mph 17.3 mph N/A   Overcast
6:53 AM 60.1 °F 42.1 °F 51% 29.96 in 10.0 mi WNW 10.4 mph - N/A   Clear
7:53 AM 60.1 °F 43.0 °F 53% 29.99 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
8:53 AM 62.1 °F 44.1 °F 52% 30.00 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
9:53 AM 64.9 °F 44.1 °F 47% 30.01 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
10:53 AM 69.1 °F 45.0 °F 42% 30.01 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
11:53 AM 69.1 °F 46.0 °F 44% 30.01 in 10.0 mi WNW 13.8 mph 19.6 mph N/A   Mostly Cloudy
12:53 PM 69.1 °F 45.0 °F 42% 30.01 in 10.0 mi West 10.4 mph - N/A   Overcast
1:53 PM 73.0 °F 44.1 °F 35% 29.98 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
2:53 PM 77.0 °F 43.0 °F 30% 29.96 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
3:53 PM 73.9 °F 44.1 °F 34% 29.97 in 10.0 mi NE 8.1 mph - N/A   Overcast
4:53 PM 71.1 °F 48.0 °F 44% 29.98 in 10.0 mi ENE 6.9 mph - 0.00 in   Scattered Clouds
5:53 PM 73.9 °F 45.0 °F 35% 29.98 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
6:53 PM 70.0 °F 46.9 °F 44% 30.00 in 8.0 mi NW 5.8 mph - N/A   Overcast
7:53 PM 70.0 °F 46.9 °F 44% 30.01 in 10.0 mi WSW 3.5 mph - N/A   Overcast
8:53 PM 66.0 °F 48.0 °F 52% 30.02 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
9:53 PM 61.0 °F 48.9 °F 64% 30.03 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 59.0 °F 48.0 °F 67% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Clear
11:53 PM 55.9 °F 45.0 °F 67% 30.06 in 10.0 mi West 4.6 mph - N/A   Clear