Helena, MT

10:47 AM MST on February 23, 2017 (GMT -0700)
Helena Regional

Weather History for KHLN - December, 2013

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Sunday, December 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F 25 °F  
Max Temperature 48 °F 35 °F 60 °F (2008)
Min Temperature 36 °F 16 °F -25 °F (1985)
Degree Days  
Heating Degree Days 23 40  
Month to date heating degree days 23 40  
Since 1 July heating degree days 1814 1922  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 589 406  
Moisture  
Dew Point 32 °F    
Average Humidity 66    
Maximum Humidity 82    
Minimum Humidity 49    
Precipitation  
Precipitation T in 0.02 in 0.62 in (1917)
Month to date precipitation T 0.02  
Year to date precipitation 10.29 10.84  
Snow  
Snow 0.00 in 0.20 in 9.50 in (1978)
Month to date snowfall 0.0 0.2  
Since 1 July snowfall 3.5 9.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 24 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events Rain    
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

Dec. 01, 2013 Rise Set
Actual Time 7:51 AM MST 4:42 PM MST
Civil Twilight 7:17 AM MST 5:16 PM MST
Nautical Twilight 6:39 AM MST 5:54 PM MST
Astronomical Twilight 6:03 AM MST 6:30 PM MST
Moon 6:09 AM MST (12/1) 3:58 PM MST (12/1)
Length of Visible Light 9h 58m
Length of Day
8h 50m
Waning Crescent, 2% of the Moon is Illuminated
Dec 1
Waning Crescent
Dec 2
New
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 44.1 °F 42.5 °F 28.0 °F 53% 30.14 in 10.0 mi SW 3.5 mph - N/A   Overcast
1:53 AM 41.0 °F - 27.0 °F 57% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 39.9 °F - 28.0 °F 63% 30.12 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:53 AM 39.0 °F 33.4 °F 28.0 °F 65% 30.11 in 10.0 mi SE 8.1 mph - N/A   Overcast
4:53 AM 37.0 °F - 28.9 °F 73% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 36.0 °F - 30.0 °F 79% 30.07 in 10.0 mi Calm Calm - 0.00 in   Overcast
6:53 AM 37.0 °F 34.5 °F 30.9 °F 79% 30.04 in 10.0 mi Variable 3.5 mph - N/A   Overcast
7:53 AM 37.9 °F - 30.9 °F 76% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 36.0 °F 33.3 °F 30.9 °F 82% 29.96 in 10.0 mi West 3.5 mph - N/A   Overcast
9:53 AM 39.0 °F - 30.9 °F 73% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 46.9 °F - 28.9 °F 50% 29.86 in 10.0 mi SW 6.9 mph - N/A   Overcast
11:53 AM 46.0 °F 41.9 °F 33.1 °F 61% 29.83 in 10.0 mi South 8.1 mph - N/A   Overcast
12:53 PM 46.0 °F 42.5 °F 34.0 °F 63% 29.78 in 10.0 mi South 6.9 mph - N/A   Overcast
1:53 PM 46.0 °F - 36.0 °F 68% 29.76 in 10.0 mi Calm Calm - N/A   Overcast
2:53 PM 46.9 °F - 37.0 °F 68% 29.75 in 10.0 mi NNW 4.6 mph - N/A   Overcast
3:53 PM 48.0 °F - 34.0 °F 58% 29.76 in 10.0 mi West 8.1 mph - N/A   Overcast
4:53 PM 45.0 °F 41.2 °F 34.0 °F 65% 29.79 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
5:53 PM 46.9 °F - 33.1 °F 59% 29.79 in 10.0 mi WSW 13.8 mph 19.6 mph N/A   Overcast
6:53 PM 45.0 °F 39.3 °F 33.1 °F 63% 29.79 in 10.0 mi West 11.5 mph 18.4 mph N/A   Partly Cloudy
7:53 PM 46.0 °F 39.3 °F 32.0 °F 58% 29.77 in 10.0 mi WSW 16.1 mph 27.6 mph N/A   Mostly Cloudy
8:53 PM 46.0 °F 39.3 °F 32.0 °F 58% 29.79 in 10.0 mi West 16.1 mph 24.2 mph N/A   Partly Cloudy
9:53 PM 42.1 °F 39.2 °F 34.0 °F 73% 29.75 in 10.0 mi Variable 4.6 mph - 0.00 in Rain Light Rain
10:53 PM 39.0 °F 36.8 °F 34.0 °F 82% 29.73 in 10.0 mi East 3.5 mph - 0.00 in   Overcast
11:53 PM 37.9 °F 33.5 °F 33.1 °F 83% 29.69 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy