History for Helena, MT

Tuesday, January 8, 2013 — View Current Conditions
Tuesday, January 8, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 33 °F 22 °F  
Max Temperature 41 °F 32 °F 57 °F (1885)
Min Temperature 25 °F 12 °F -32 °F (1888)
Degree Days
Heating Degree Days 32 43  
Month to date heating degree days 367 348  
Since 1 July heating degree days 3288 3569  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 21 °F    
Average Humidity 60    
Maximum Humidity 75    
Minimum Humidity 44    
Precipitation
Precipitation T in 0.01 in 0.38 in (1909)
Month to date precipitation T 0.10  
Year to date precipitation T 0.10  
Sea Level Pressure
Sea Level Pressure 30.01 in    
Wind
Wind Speed 10 mph (West)    
Max Wind Speed 30 mph    
Max Gust Speed 37 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Local Photos

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Astronomy
May. 25, 2013 Rise Set
Actual Time 8:11 AM MST 4:58 PM MST
Civil Twilight 7:36 AM MST 5:33 PM MST
Nautical Twilight 6:58 AM MST 6:11 PM MST
Astronomical Twilight 6:22 AM MST 6:47 PM MST
Moon 4:47 AM MST (1/8) 2:04 PM MST (1/8)
Length Of Visible Light 9h 56m
Length of Day
8h 47m
Waning Crescent, 13% of the Moon is Illuminated
Jan 8
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last 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 41.0 °F 31.9 °F 26.1 °F 55% 29.84 in 10.0 mi West 19.6 mph 29.9 mph N/A   Overcast
1:53 AM 39.9 °F 32.9 °F 25.0 °F 55% 29.86 in 10.0 mi WSW 11.5 mph 21.9 mph N/A   Overcast
2:53 AM 39.9 °F 33.4 °F 23.0 °F 51% 29.89 in 10.0 mi WSW 10.4 mph 21.9 mph N/A   Overcast
3:53 AM 39.9 °F 34.5 °F 21.9 °F 49% 29.90 in 10.0 mi West 8.1 mph 21.9 mph N/A   Overcast
4:53 AM 37.0 °F 28.9 °F 25.0 °F 62% 29.93 in 9.0 mi WSW 12.7 mph 24.2 mph 0.00 in   Mostly Cloudy
5:53 AM 37.0 °F 30.4 °F 21.9 °F 54% 29.96 in 10.0 mi West 9.2 mph 20.7 mph N/A   Overcast
6:53 AM 39.0 °F 31.0 °F 19.9 °F 46% 29.96 in 10.0 mi West 13.8 mph 29.9 mph N/A   Overcast
7:53 AM 37.0 °F 31.6 °F 19.0 °F 48% 30.01 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
8:53 AM 36.0 °F 26.0 °F 19.0 °F 50% 30.04 in 10.0 mi West 17.3 mph 26.5 mph N/A   Partly Cloudy
9:53 AM 36.0 °F 28.0 °F 19.0 °F 50% 30.07 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
10:53 AM 37.0 °F 26.4 °F 18.0 °F 46% 30.06 in 10.0 mi West 20.7 mph - N/A   Clear
11:53 AM 37.9 °F 25.9 °F 18.0 °F 45% 30.06 in 10.0 mi West 28.8 mph 35.7 mph N/A   Clear
12:53 PM 39.0 °F 27.8 °F 19.0 °F 45% 30.06 in 10.0 mi West 26.5 mph 36.8 mph N/A   Scattered Clouds
1:53 PM 39.9 °F 33.4 °F 19.0 °F 43% 30.06 in 10.0 mi West 10.4 mph 19.6 mph N/A   Mostly Cloudy
2:53 PM 39.0 °F 34.0 °F 19.9 °F 46% 30.06 in 10.0 mi WNW 6.9 mph - N/A   Overcast
3:53 PM 37.9 °F 31.5 °F 21.0 °F 51% 30.07 in 10.0 mi West 9.2 mph - N/A   Overcast
4:53 PM 36.0 °F 32.1 °F 23.0 °F 59% 30.06 in 10.0 mi ENE 4.6 mph - N/A   Overcast
5:53 PM 35.1 °F - 23.0 °F 61% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
6:53 PM 35.1 °F - 21.0 °F 57% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 PM 30.9 °F 27.5 °F 21.0 °F 67% 30.06 in 10.0 mi SW 3.5 mph - N/A   Clear
8:53 PM 30.0 °F - 19.9 °F 66% 30.07 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 PM 26.6 °F - 19.4 °F 74% 29.92 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 PM 28.0 °F 22.8 °F 19.9 °F 72% 30.04 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
11:53 PM 30.0 °F 23.2 °F 21.0 °F 69% 30.04 in 10.0 mi West 6.9 mph - N/A   Overcast
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