Weather History for Helena, MT

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Thursday, January 16, 2014

  Actual Average Record
Temperature  
Mean Temperature 39 °F 23 °F  
Max Temperature 50 °F 33 °F 56 °F (1974)
Min Temperature 28 °F 13 °F -37 °F (1888)
Degree Days  
Heating Degree Days 26 42  
Month to date heating degree days 550 687  
Since 1 July heating degree days 3608 3908  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 19 °F    
Average Humidity 48    
Maximum Humidity 69    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in 0.01 in 0.24 in (1954)
Month to date precipitation 0.29 0.20  
Year to date precipitation 0.29 0.20  
Snow  
Snow 0.00 in 0.20 in 11.00 in (1929)
Month to date snowfall 3.3 3.2  
Since 1 July snowfall 8.0 19.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.41 in    
Wind  
Wind Speed 10 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 16, 2014 Rise Set
Actual Time 8:07 AM MST 5:08 PM MST
Civil Twilight 7:33 AM MST 5:42 PM MST
Nautical Twilight 6:55 AM MST 6:20 PM MST
Astronomical Twilight 6:19 AM MST 6:56 PM MST
Moon 6:10 PM MST (1/16) 7:57 AM MST (1/16)
Length of Visible Light 10h 09m
Length of Day
9h 01m
Full, 100% of the Moon is Illuminated
Jan 16
Full
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full

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 35.9 °F 19.0 °F 37% 30.39 in 10.0 mi West 19.6 mph 28.8 mph N/A   Clear
1:53 AM 44.1 °F 35.9 °F 19.0 °F 37% 30.40 in 10.0 mi West 19.6 mph 29.9 mph N/A   Clear
2:53 AM 42.1 °F 36.1 °F 19.0 °F 40% 30.41 in 10.0 mi West 10.4 mph - N/A   Clear
3:53 AM 39.9 °F 35.1 °F 19.0 °F 43% 30.41 in 10.0 mi West 6.9 mph - N/A   Clear
4:53 AM 42.1 °F 34.5 °F 19.0 °F 40% 30.40 in 10.0 mi West 15.0 mph 19.6 mph N/A   Clear
5:53 AM 37.9 °F 32.1 °F 19.0 °F 47% 30.42 in 10.0 mi NW 8.1 mph - N/A   Clear
6:53 AM 37.0 °F 31.6 °F 19.0 °F 48% 30.43 in 10.0 mi West 6.9 mph - N/A   Clear
7:53 AM 37.9 °F 31.5 °F 19.0 °F 47% 30.43 in 10.0 mi West 9.2 mph - N/A   Clear
8:53 AM 35.1 °F 32.2 °F 21.0 °F 57% 30.47 in 10.0 mi NNE 3.5 mph - N/A   Clear
9:53 AM 37.0 °F - 23.0 °F 57% 30.48 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 46.9 °F - 19.0 °F 33% 30.45 in 10.0 mi West 13.8 mph - N/A   Clear
11:53 AM 48.0 °F - 19.0 °F 32% 30.43 in 10.0 mi West 19.6 mph 24.2 mph N/A   Clear
12:53 PM 48.9 °F - 18.0 °F 29% 30.41 in 10.0 mi West 18.4 mph 26.5 mph N/A   Clear
1:53 PM 48.9 °F - 18.0 °F 29% 30.39 in 10.0 mi West 17.3 mph 25.3 mph N/A   Clear
2:53 PM 50.0 °F - 18.0 °F 28% 30.38 in 10.0 mi WSW 13.8 mph 21.9 mph N/A   Clear
3:53 PM 48.0 °F - 18.0 °F 30% 30.39 in 10.0 mi West 10.4 mph - N/A   Clear
4:53 PM 46.0 °F 39.0 °F 18.0 °F 33% 30.40 in 10.0 mi West 17.3 mph 20.7 mph N/A   Clear
5:53 PM 42.1 °F 37.1 °F 19.0 °F 40% 30.41 in 10.0 mi WNW 8.1 mph - N/A   Clear
6:53 PM 41.0 °F 34.7 °F 19.0 °F 41% 30.41 in 10.0 mi NW 10.4 mph - N/A   Clear
7:53 PM 39.9 °F 35.1 °F 18.0 °F 41% 30.42 in 10.0 mi NW 6.9 mph - N/A   Clear
8:53 PM 39.0 °F 34.8 °F 16.0 °F 39% 30.42 in 10.0 mi NNW 5.8 mph - N/A   Clear
9:53 PM 35.1 °F - 18.0 °F 50% 30.41 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 28.0 °F - 19.9 °F 72% 30.39 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 28.9 °F - 19.9 °F 69% 30.37 in 10.0 mi Calm Calm - N/A   Clear