Weather History for Helena, MT

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Friday, November 8, 2013

  Actual Average Record
Temperature  
Mean Temperature 41 °F 36 °F  
Max Temperature 46 °F 47 °F 64 °F (1939)
Min Temperature 36 °F 25 °F -1 °F (1911)
Degree Days  
Heating Degree Days 24 29  
Month to date heating degree days 211 219  
Since 1 July heating degree days 1063 1127  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 589 406  
Moisture  
Dew Point 25 °F    
Average Humidity 51    
Maximum Humidity 59    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.01 in 0.85 in (2012)
Month to date precipitation 0.07 0.12  
Year to date precipitation 10.21 10.45  
Snow  
Snow 0.00 in 0.10 in 8.80 in (2012)
Month to date snowfall 0.5 0.9  
Since 1 July snowfall 2.5 4.9  
Since 1 September snowfall 2.5 4.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 23 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Nov. 08, 2013 Rise Set
Actual Time 7:20 AM MST 5:02 PM MST
Civil Twilight 6:48 AM MST 5:34 PM MST
Nautical Twilight 6:12 AM MST 6:10 PM MST
Astronomical Twilight 5:36 AM MST 6:46 PM MST
Moon 12:18 PM MST (11/8) 10:28 PM MST (11/8)
Length of Visible Light 10h 46m
Length of Day
9h 41m
Waxing Crescent, 34% of the Moon is Illuminated
Nov 8
Waxing Crescent
Nov 9
First Quarter
Nov 17
Full
Nov 25
Last Quarter
Dec 2
New

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 39.9 °F 32.1 °F 26.1 °F 58% 29.83 in 10.0 mi West 13.8 mph 19.6 mph N/A   Clear
1:53 AM 39.9 °F 32.9 °F 25.0 °F 55% 29.83 in 10.0 mi West 11.5 mph 21.9 mph N/A   Clear
2:53 AM 42.1 °F 38.4 °F 24.1 °F 49% 29.86 in 10.0 mi West 5.8 mph 21.9 mph N/A   Overcast
3:53 AM 42.1 °F 33.9 °F 24.1 °F 49% 29.86 in 10.0 mi WSW 17.3 mph 26.5 mph N/A   Overcast
4:53 AM 42.1 °F 36.1 °F 24.1 °F 49% 29.87 in 10.0 mi WSW 10.4 mph 21.9 mph N/A   Overcast
5:53 AM 43.0 °F 38.2 °F 24.1 °F 47% 29.89 in 10.0 mi West 8.1 mph 18.4 mph N/A   Overcast
6:53 AM 42.1 °F 32.8 °F 25.0 °F 51% 29.90 in 10.0 mi West 21.9 mph 31.1 mph N/A   Overcast
7:53 AM 43.0 °F 37.2 °F 25.0 °F 49% 29.93 in 10.0 mi West 10.4 mph 24.2 mph N/A   Overcast
8:53 AM 43.0 °F 37.7 °F 24.1 °F 47% 29.94 in 10.0 mi WSW 9.2 mph 19.6 mph N/A   Overcast
9:53 AM 44.1 °F 42.5 °F 25.0 °F 47% 29.98 in 10.0 mi WNW 3.5 mph - N/A   Overcast
10:53 AM 45.0 °F 41.8 °F 25.0 °F 46% 29.99 in 10.0 mi West 5.8 mph - N/A   Overcast
11:53 AM 46.0 °F 43.9 °F 25.0 °F 44% 29.99 in 10.0 mi West 4.6 mph - N/A   Overcast
12:53 PM 46.0 °F 42.5 °F 27.0 °F 47% 29.99 in 10.0 mi NW 6.9 mph - N/A   Overcast
1:53 PM 45.0 °F 41.8 °F 28.9 °F 53% 29.99 in 10.0 mi WSW 5.8 mph - N/A   Overcast
2:53 PM 45.0 °F 41.8 °F 28.9 °F 53% 29.99 in 10.0 mi WSW 5.8 mph - N/A   Overcast
3:53 PM 44.1 °F 37.4 °F 28.9 °F 55% 30.02 in 10.0 mi West 13.8 mph 19.6 mph N/A   Overcast
4:53 PM 43.0 °F 39.5 °F 28.0 °F 56% 30.03 in 10.0 mi West 5.8 mph - N/A   Overcast
5:53 PM 41.0 °F 35.8 °F 26.1 °F 55% 30.06 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
6:53 PM 39.0 °F 36.8 °F 25.0 °F 57% 30.10 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
7:53 PM 39.0 °F 32.3 °F 24.1 °F 55% 30.12 in 10.0 mi West 10.4 mph - N/A   Clear
8:53 PM 39.0 °F 31.4 °F 19.9 °F 46% 30.13 in 10.0 mi West 12.7 mph - N/A   Clear
9:53 PM 39.9 °F 32.9 °F 19.9 °F 45% 30.15 in 10.0 mi WSW 11.5 mph - N/A   Overcast
10:53 PM 39.9 °F 36.7 °F 19.9 °F 45% 30.16 in 10.0 mi WSW 4.6 mph - N/A   Overcast
11:53 PM 39.0 °F 33.4 °F 21.0 °F 49% 30.18 in 10.0 mi West 8.1 mph - N/A   Overcast