Helena, MT

11:16 AM MST on February 20, 2018 (GMT -0700)
Helena Regional

Weather History for KHLN - December, 2013

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Tuesday, December 10, 2013

  Actual Average Record
Temperature  
Mean Temperature 23 °F 22 °F  
Max Temperature 28 °F 32 °F 63 °F (1939)
Min Temperature 18 °F 13 °F -27 °F (1972)
Degree Days  
Heating Degree Days 42 43  
Month to date heating degree days 571 413  
Since 1 July heating degree days 2362 2295  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 589 406  
Moisture  
Dew Point 14 °F    
Average Humidity 62    
Maximum Humidity 74    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in 0.01 in 0.51 in (1929)
Month to date precipitation 0.20 0.14  
Year to date precipitation 10.49 10.96  
Snow  
Snow 0.00 in 0.30 in 3.20 in (1929)
Month to date snowfall 0.6 2.4  
Since 1 July snowfall 4.1 11.2  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 30.30 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 24 mph    
Max Gust Speed 30 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

Dec. 10, 2013 Rise Set
Actual Time 8:01 AM MST 4:40 PM MST
Civil Twilight 7:26 AM MST 5:15 PM MST
Nautical Twilight 6:48 AM MST 5:53 PM MST
Astronomical Twilight 6:11 AM MST 6:30 PM MST
Moon 1:02 PM MST (12/10) 1:03 AM MST (12/10)
Length of Visible Light 9h 48m
Length of Day
8h 38m
Waxing Gibbous, 62% of the Moon is Illuminated
Dec 10
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First 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 19.9 °F 11.1 °F 12.0 °F 71% 30.24 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
1:53 AM 19.9 °F - 12.0 °F 71% 30.22 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 AM 19.9 °F 10.1 °F 10.9 °F 68% 30.21 in 10.0 mi ESE 8.1 mph - N/A   Clear
3:53 AM 23.0 °F 18.4 °F 12.9 °F 65% 30.21 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
4:53 AM 25.0 °F 11.7 °F 15.1 °F 66% 30.18 in 9.0 mi WSW 17.3 mph - N/A   Overcast
5:53 AM 25.0 °F 16.3 °F 15.1 °F 66% 30.19 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
6:53 AM 23.0 °F - 15.1 °F 72% 30.21 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 25.0 °F 13.6 °F 14.0 °F 63% 30.22 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
8:53 AM 26.1 °F 16.8 °F 15.1 °F 63% 30.25 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
9:53 AM 26.1 °F 20.5 °F 15.1 °F 63% 30.27 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
10:53 AM 27.0 °F 17.3 °F 14.0 °F 58% 30.28 in 10.0 mi WNW 10.4 mph 19.6 mph N/A   Overcast
11:53 AM 27.0 °F 15.6 °F 15.1 °F 61% 30.30 in 10.0 mi West 13.8 mph 23.0 mph N/A   Overcast
12:53 PM 28.0 °F 17.0 °F 14.0 °F 56% 30.31 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Overcast
1:53 PM 28.0 °F 18.6 °F 15.1 °F 58% 30.32 in 10.0 mi WNW 10.4 mph - N/A   Overcast
2:53 PM 28.0 °F 15.7 °F 12.9 °F 53% 30.32 in 10.0 mi West 17.3 mph 24.2 mph N/A   Overcast
3:53 PM 27.0 °F 16.7 °F 14.0 °F 58% 30.34 in 10.0 mi NW 11.5 mph - N/A   Overcast
4:53 PM 24.1 °F 15.2 °F 15.1 °F 69% 30.37 in 10.0 mi NE 8.1 mph - N/A   Overcast
5:53 PM 24.1 °F 17.0 °F 14.0 °F 65% 30.38 in 10.0 mi Variable 5.8 mph - N/A   Overcast
6:53 PM 19.0 °F 10.0 °F 12.9 °F 77% 30.41 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
7:53 PM 21.0 °F - 12.9 °F 71% 30.40 in 10.0 mi Calm Calm - N/A   Overcast
8:53 PM 21.0 °F - 12.9 °F 71% 30.41 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 26.1 °F 20.5 °F 12.9 °F 58% 30.40 in 10.0 mi SW 4.6 mph - N/A   Overcast
10:53 PM 26.1 °F 20.5 °F 12.9 °F 58% 30.40 in 10.0 mi West 4.6 mph - N/A   Overcast
11:53 PM 27.0 °F 18.0 °F 14.0 °F 58% 30.40 in 10.0 mi West 9.2 mph - N/A   Overcast