History for Helena, MT

Saturday, January 19, 2013 — View Current Conditions
Saturday, January 19, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 34 °F 24 °F  
Max Temperature 43 °F 34 °F 55 °F (2005)
Min Temperature 25 °F 14 °F -34 °F (1883)
Degree Days
Heating Degree Days 31 41  
Month to date heating degree days 861 811  
Since 1 July heating degree days 3782 4032  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 17 °F    
Average Humidity 47    
Maximum Humidity 69    
Minimum Humidity 24    
Precipitation
Precipitation 0.00 in 0.01 in 0.50 in (1906)
Month to date precipitation 0.35 0.23  
Year to date precipitation 0.35 0.23  
Snow
Snow 0.00 in 0.20 in 5.70 in (1906)
Month to date snowfall 5.3 3.8  
Since 1 July snowfall 29.4 19.9  
Snow Depth 1.00 in    
Sea Level Pressure
Sea Level Pressure 30.30 in    
Wind
Wind Speed 4 mph (WNW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 19, 2013 Rise Set
Actual Time 8:04 AM MST 5:13 PM MST
Civil Twilight 7:31 AM MST 5:46 PM MST
Nautical Twilight 6:54 AM MST 6:23 PM MST
Astronomical Twilight 6:18 AM MST 6:59 PM MST
Moon 11:45 AM MST 1:37 AM MST
Length Of Visible Light 10h 15m
Length of Day
9h 08m
First Quarter, 58% of the Moon is Illuminated
Jan 19
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
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 43.0 °F 39.5 °F 9.0 °F 25% 30.25 in 10.0 mi NNE 5.8 mph - N/A   Clear
1:53 AM 39.9 °F 37.8 °F 10.0 °F 29% 30.26 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:53 AM 39.9 °F 33.4 °F 12.0 °F 32% 30.27 in 10.0 mi WSW 10.4 mph - N/A   Clear
3:53 AM 39.9 °F 34.5 °F 10.9 °F 31% 30.25 in 10.0 mi WSW 8.1 mph - N/A   Clear
4:53 AM 41.0 °F 36.4 °F 10.9 °F 29% 30.25 in 10.0 mi West 6.9 mph - N/A   Clear
5:53 AM 39.9 °F 32.5 °F 12.9 °F 33% 30.27 in 10.0 mi West 12.7 mph - N/A   Clear
6:53 AM 36.0 °F 33.3 °F 14.0 °F 41% 30.30 in 10.0 mi East 3.5 mph - N/A   Clear
7:53 AM 34.0 °F - 15.1 °F 46% 30.31 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 28.9 °F - 17.1 °F 61% 30.36 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 28.0 °F - 18.0 °F 66% 30.38 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 30.9 °F - 18.0 °F 59% 30.38 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 33.1 °F 28.7 °F 21.0 °F 61% 30.36 in 10.0 mi WNW 4.6 mph - N/A   Clear
12:53 PM 34.0 °F - 21.0 °F 59% 30.33 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 34.0 °F 31.0 °F 21.0 °F 59% 30.32 in 10.0 mi North 3.5 mph - N/A   Clear
2:53 PM 35.1 °F - 19.9 °F 54% 30.30 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 36.0 °F - 21.9 °F 57% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 35.1 °F 31.0 °F 23.0 °F 61% 30.27 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
5:53 PM 34.0 °F 31.0 °F 19.0 °F 54% 30.27 in 10.0 mi ENE 3.5 mph - N/A   Clear
6:53 PM 30.9 °F 27.5 °F 21.0 °F 67% 30.30 in 10.0 mi Variable 3.5 mph - N/A   Clear
7:53 PM 32.0 °F - 21.9 °F 66% 30.30 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 34.0 °F 28.8 °F 19.9 °F 56% 30.32 in 10.0 mi SSE 5.8 mph - N/A   Clear
9:53 PM 35.1 °F - 19.0 °F 52% 30.33 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 43.0 °F 39.5 °F 15.1 °F 32% 30.32 in 10.0 mi WSW 5.8 mph - N/A   Clear
11:53 PM 41.0 °F 38.0 °F 16.0 °F 36% 30.32 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
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