Helena, MT

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

Weather History for KHLN - December, 2013

Change the Weather History Date:

Monday, December 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 7 °F 22 °F  
Max Temperature 25 °F 32 °F 59 °F (1957)
Min Temperature -11 °F 13 °F -30 °F (1972)
Degree Days  
Heating Degree Days 58 42  
Month to date heating degree days 529 370  
Since 1 July heating degree days 2320 2252  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 589 406  
Moisture  
Dew Point 2 °F    
Average Humidity 65    
Maximum Humidity 83    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.01 in 0.49 in (1917)
Month to date precipitation 0.20 0.13  
Year to date precipitation 10.49 10.95  
Snow  
Snow 0.00 in 0.20 in 18.00 in (1906)
Month to date snowfall 0.6 2.1  
Since 1 July snowfall 4.1 10.9  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 30.40 in    
Wind  
Wind Speed 6 mph (West)    
Max Wind Speed 22 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 09, 2013 Rise Set
Actual Time 8:00 AM MST 4:40 PM MST
Civil Twilight 7:25 AM MST 5:15 PM MST
Nautical Twilight 6:47 AM MST 5:53 PM MST
Astronomical Twilight 6:10 AM MST 6:30 PM MST
Moon 12:34 PM MST (12/9) No Moon Set
Length of Visible Light 9h 49m
Length of Day
8h 39m
First Quarter, 52% of the Moon is Illuminated
Dec 9
First Quarter
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 -9.9 °F - -15.0 °F 78% 30.53 in 8.0 mi Calm Calm - N/A   Clear
1:53 AM -11.0 °F - -16.1 °F 78% 30.51 in 9.0 mi Calm Calm - N/A   Clear
2:51 AM -5.8 °F - -9.4 °F 84% 30.16 in 6.0 mi Calm Calm - N/A   Overcast
2:53 AM -6.0 °F - -9.9 °F 83% 30.49 in 7.0 mi Calm Calm - N/A   Overcast
3:53 AM -5.1 °F - -9.9 °F 80% 30.49 in 9.0 mi Calm Calm - N/A   Overcast
4:53 AM -2.9 °F -11.2 °F -9.0 °F 75% 30.48 in 10.0 mi NE 3.5 mph - N/A   Overcast
5:53 AM 3.0 °F - -2.9 °F 76% 30.44 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 3.9 °F -6.9 °F -2.0 °F 76% 30.44 in 10.0 mi Variable 5.8 mph - N/A   Overcast
7:53 AM 7.0 °F 0.1 °F -0.9 °F 70% 30.45 in 10.0 mi Variable 3.5 mph - N/A   Overcast
8:53 AM 15.1 °F -0.1 °F 1.0 °F 54% 30.42 in 10.0 mi West 15.0 mph 20.7 mph N/A   Mostly Cloudy
9:53 AM 8.1 °F -3.2 °F -0.9 °F 67% 30.47 in 10.0 mi East 6.9 mph - N/A   Overcast
10:53 AM 12.0 °F 1.5 °F 3.0 °F 67% 30.47 in 10.0 mi Variable 6.9 mph - N/A   Overcast
11:53 AM 19.9 °F 7.3 °F 5.0 °F 52% 30.43 in 10.0 mi West 12.7 mph 23.0 mph N/A   Overcast
12:53 PM 21.0 °F 6.6 °F 5.0 °F 50% 30.40 in 10.0 mi West 17.3 mph 23.0 mph N/A   Overcast
1:53 PM 21.9 °F 9.8 °F 7.0 °F 53% 30.41 in 10.0 mi West 12.7 mph - N/A   Overcast
2:53 PM 21.9 °F 14.5 °F 8.1 °F 55% 30.39 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
3:53 PM 18.0 °F - 8.1 °F 65% 30.41 in 10.0 mi Calm Calm - N/A   Overcast
4:53 PM 21.0 °F 9.3 °F 9.0 °F 60% 30.39 in 10.0 mi West 11.5 mph 18.4 mph N/A   Mostly Cloudy
5:53 PM 21.0 °F 7.6 °F 10.0 °F 63% 30.38 in 10.0 mi West 15.0 mph - N/A   Overcast
6:53 PM 21.9 °F 9.2 °F 10.9 °F 63% 30.37 in 10.0 mi West 13.8 mph - N/A   Overcast
7:53 PM 21.9 °F 11.0 °F 10.9 °F 63% 30.36 in 10.0 mi West 10.4 mph - N/A   Overcast
8:53 PM 21.0 °F 16.2 °F 12.0 °F 68% 30.32 in 10.0 mi NW 3.5 mph - N/A   Overcast
9:53 PM 23.0 °F - 12.0 °F 63% 30.30 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 24.1 °F 19.7 °F 12.0 °F 60% 30.29 in 10.0 mi NW 3.5 mph - N/A   Overcast
11:53 PM 19.0 °F - 12.0 °F 74% 30.26 in 10.0 mi Calm Calm - N/A   Overcast