Helena, MT

5:00 PM MDT on October 16, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - December, 2012

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Thursday, December 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 32 °F 24 °F  
Max Temperature 36 °F 33 °F 60 °F (1987)
Min Temperature 27 °F 14 °F -30 °F (1972)
Degree Days  
Heating Degree Days 33 42  
Month to date heating degree days 148 244  
Since 1 July heating degree days 1826 2126  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 531 406  
Moisture  
Dew Point 20 °F    
Average Humidity 63    
Maximum Humidity 78    
Minimum Humidity 47    
Precipitation  
Precipitation T in 0.01 in 0.81 in (1901)
Month to date precipitation 0.08 0.09  
Year to date precipitation 8.98 10.91  
Snow  
Snow 0.00 in 0.30 in 14.00 in (1927)
Month to date snowfall 0.0 1.4  
Since 1 July snowfall 17.0 10.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events Snow    
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. 06, 2012 Rise Set
Actual Time 7:57 AM MST 4:40 PM MST
Civil Twilight 7:23 AM MST 5:15 PM MST
Nautical Twilight 6:44 AM MST 5:53 PM MST
Astronomical Twilight 6:08 AM MST 6:30 PM MST
Moon No Moon Rise 12:30 PM MST (12/6)
Length of Visible Light 9h 52m
Length of Day
8h 42m
Waning Gibbous, 48% of the Moon is Illuminated
Dec 6
Waning Gibbous
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
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 34.0 °F 28.0 °F 17.1 °F 50% 30.12 in - SW 6.9 mph - N/A   Overcast
1:53 AM 33.1 °F 27.7 °F 17.1 °F 52% 30.12 in - SSW 5.8 mph - N/A   Clear
2:53 AM 32.0 °F 27.5 °F 18.0 °F 56% 30.12 in - SSW 4.6 mph - N/A   Clear
3:53 AM 33.1 °F 27.7 °F 18.0 °F 54% 30.12 in - SW 5.8 mph - N/A   Clear
4:53 AM 33.1 °F 26.1 °F 18.0 °F 54% 30.12 in - SW 8.1 mph - N/A   Clear
5:53 AM 32.0 °F 26.4 °F 18.0 °F 56% 30.13 in - SSW 5.8 mph - N/A   Clear
6:53 AM 27.0 °F - 18.0 °F 69% 30.16 in - Calm Calm - N/A   Clear
7:53 AM 30.9 °F 24.3 °F 18.0 °F 59% 30.15 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
8:53 AM 32.0 °F 24.8 °F 18.0 °F 56% 30.14 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
9:53 AM 34.0 °F 28.8 °F 19.0 °F 54% 30.13 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
10:53 AM 35.1 °F 30.1 °F 17.1 °F 48% 30.13 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
11:53 AM - - - N/A% 29.96 in - North - - N/A   Unknown
12:53 PM 35.1 °F 27.9 °F 19.0 °F 52% 30.07 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
1:53 PM 34.0 °F - 19.0 °F 54% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
2:53 PM 34.0 °F 27.2 °F 21.0 °F 59% 30.05 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
3:53 PM 34.0 °F 26.6 °F 21.0 °F 59% 30.04 in - West 9.2 mph - N/A   Overcast
4:53 PM 32.0 °F - 21.9 °F 66% 30.04 in - Calm Calm - N/A   Partly Cloudy
5:53 PM 32.0 °F - 23.0 °F 69% 30.03 in - Calm Calm - N/A   Clear
6:53 PM 32.0 °F 25.6 °F 23.0 °F 69% 30.05 in 10.0 mi WNW 6.9 mph - 0.00 in Snow Light Snow
7:53 PM 30.9 °F 24.3 °F 23.0 °F 72% 30.04 in - SW 6.9 mph - 0.00 in   Mostly Cloudy
8:53 PM 30.0 °F - 24.1 °F 79% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 PM 28.0 °F 22.8 °F 21.9 °F 78% 30.04 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
10:53 PM 30.0 °F 26.5 °F 21.0 °F 69% 30.03 in - SSW 3.5 mph - N/A   Mostly Cloudy
11:53 PM 28.0 °F 22.8 °F 19.9 °F 72% 29.89 in - SSE 4.6 mph - N/A   Clear