History for Helena, MT

Monday, November 26, 2012 — View Current Conditions
Monday, November 26, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 26 °F 28 °F  
Max Temperature 34 °F 37 °F 66 °F (1933)
Min Temperature 18 °F 18 °F -18 °F (1985)
Degree Days
Heating Degree Days 39 37  
Month to date heating degree days 786 821  
Since 1 July heating degree days 1561 1729  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 531 406  
Moisture
Dew Point 16 °F    
Average Humidity 66    
Maximum Humidity 84    
Minimum Humidity 47    
Precipitation
Precipitation 0.00 in 0.01 in 0.31 in (1994)
Month to date precipitation 1.75 0.42  
Year to date precipitation 8.87 10.75  
Snow
Snow 0.00 in 0.20 in 6.50 in (1955)
Month to date snowfall 17.0 3.9  
Since 1 July snowfall 17.0 7.9  
Since 1 September snowfall 17.0 7.6  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 30.36 in    
Wind
Wind Speed 3 mph (NNE)    
Max Wind Speed 9 mph    
Max Gust Speed 12 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 23, 2013 Rise Set
Actual Time 7:46 AM MST 4:44 PM MST
Civil Twilight 7:12 AM MST 5:18 PM MST
Nautical Twilight 6:34 AM MST 5:56 PM MST
Astronomical Twilight 5:58 AM MST 6:32 PM MST
Moon 3:42 PM MST (11/26) 5:55 AM MST (11/26)
Length Of Visible Light 10h 06m
Length of Day
8h 58m
Waxing Gibbous, 97% of the Moon is Illuminated
Nov 26
Waxing Gibbous
Nov 28
Full
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
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Hourly Observations
Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 27.0 °F - 16.0 °F 63% 30.38 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 26.1 °F - 15.1 °F 63% 30.38 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 23.0 °F - 14.0 °F 68% 30.41 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 23.0 °F 18.4 °F 15.1 °F 72% 30.41 in 10.0 mi WSW 3.5 mph - N/A   Clear
4:53 AM 21.0 °F - 14.0 °F 74% 30.43 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 19.9 °F - 14.0 °F 78% 30.43 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 18.0 °F 12.7 °F 14.0 °F 84% 30.44 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:53 AM 19.9 °F - 14.0 °F 78% 30.44 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 21.9 °F 17.2 °F 16.0 °F 78% 30.43 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:53 AM 25.0 °F - 18.0 °F 75% 30.43 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 26.1 °F - 17.1 °F 69% 30.41 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 30.9 °F 26.2 °F 18.0 °F 59% 30.37 in 10.0 mi NE 4.6 mph - N/A   Clear
12:53 PM 30.9 °F 24.3 °F 16.0 °F 54% 30.35 in 10.0 mi ENE 6.9 mph - N/A   Clear
1:53 PM 33.1 °F 26.1 °F 17.1 °F 52% 30.32 in 10.0 mi East 8.1 mph - N/A   Clear
2:53 PM 34.0 °F 27.2 °F 16.0 °F 48% 30.31 in 10.0 mi East 8.1 mph - N/A   Clear
3:53 PM 34.0 °F 29.8 °F 16.0 °F 48% 30.30 in 10.0 mi East 4.6 mph - N/A   Clear
4:53 PM 30.0 °F 25.2 °F 17.1 °F 59% 30.31 in 10.0 mi NNW 4.6 mph - N/A   Clear
5:53 PM 28.0 °F 20.8 °F 16.0 °F 61% 30.33 in 10.0 mi WSW 6.9 mph - N/A   Clear
6:53 PM 27.0 °F 20.5 °F 16.0 °F 63% 30.33 in 10.0 mi WSW 5.8 mph - N/A   Clear
7:53 PM 26.1 °F 21.9 °F 16.0 °F 66% 30.31 in 10.0 mi NE 3.5 mph - N/A   Clear
8:53 PM 23.0 °F - 17.1 °F 78% 30.32 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 23.0 °F - 15.8 °F 74% 30.14 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 23.0 °F - 15.1 °F 72% 30.31 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 21.9 °F - 15.1 °F 75% 30.30 in 10.0 mi Calm Calm - N/A   Clear
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