History for Helena, MT

Tuesday, March 5, 2013 — View Current Conditions
Tuesday, March 5, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 24 °F 33 °F  
Max Temperature 38 °F 44 °F 73 °F (1987)
Min Temperature 10 °F 21 °F -24 °F (1945)
Degree Days
Heating Degree Days 41 32  
Month to date heating degree days 159 165  
Since 1 July heating degree days 5278 5726  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 12 °F    
Average Humidity 60    
Maximum Humidity 83    
Minimum Humidity 37    
Precipitation
Precipitation 0.00 in 0.01 in 0.73 in (1932)
Month to date precipitation 0.02 0.07  
Year to date precipitation 0.69 0.73  
Snow
Snow 0.00 in 0.20 in 10.30 in (1932)
Month to date snowfall 0.1 1.0  
Since 1 July snowfall 35.8 28.3  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 30.25 in    
Wind
Wind Speed 4 mph (WNW)    
Max Wind Speed 12 mph    
Max Gust Speed 13 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 6:59 AM MST 6:20 PM MST
Civil Twilight 6:29 AM MST 6:50 PM MST
Nautical Twilight 5:54 AM MST 7:25 PM MST
Astronomical Twilight 5:19 AM MST 8:00 PM MST
Moon 2:31 AM MST (3/5) 11:46 AM MST (3/5)
Length Of Visible Light 12h 21m
Length of Day
11h 20m
Last Quarter, 40% of the Moon is Illuminated
Mar 5
Last Quarter
Mar 11
New
Mar 19
First Quarter
Mar 27
Full
Apr 2
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 12.9 °F 5.2 °F 7.0 °F 77% 30.41 in 10.0 mi West 4.6 mph - N/A   Clear
1:53 AM 14.0 °F - 6.1 °F 71% 30.40 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 12.9 °F - 6.1 °F 74% 30.39 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 12.0 °F 2.7 °F 6.1 °F 77% 30.38 in 10.0 mi West 5.8 mph - N/A   Clear
4:53 AM 12.2 °F 4.3 °F 5.0 °F 73% 30.18 in 10.0 mi West 4.6 mph - N/A   Clear
5:53 AM 10.4 °F - 6.8 °F 85% 30.17 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 10.9 °F - 5.0 °F 77% 30.40 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 12.9 °F - 7.0 °F 77% 30.38 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 16.0 °F - 8.1 °F 71% 30.38 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 19.0 °F - 10.9 °F 71% 30.36 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 21.0 °F - 10.9 °F 65% 30.33 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 26.1 °F 21.9 °F 12.0 °F 55% 30.30 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:53 PM 30.0 °F 25.2 °F 12.9 °F 49% 30.26 in 10.0 mi NNW 4.6 mph - N/A   Clear
1:53 PM 33.1 °F - 14.0 °F 46% 30.20 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 36.0 °F 31.1 °F 14.0 °F 41% 30.16 in 10.0 mi NNW 5.8 mph - N/A   Clear
3:53 PM 37.0 °F 32.4 °F 14.0 °F 39% 30.15 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
4:53 PM 37.0 °F 31.6 °F 15.1 °F 41% 30.13 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
5:53 PM 36.0 °F 29.0 °F 15.1 °F 43% 30.13 in 10.0 mi West 9.2 mph - N/A   Overcast
6:53 PM 34.0 °F 27.2 °F 15.1 °F 46% 30.14 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
7:53 PM 30.9 °F 24.3 °F 17.1 °F 57% 30.14 in 10.0 mi West 6.9 mph - N/A   Clear
8:53 PM 30.9 °F 26.2 °F 19.0 °F 61% 30.14 in 10.0 mi WNW 4.6 mph - N/A   Overcast
9:53 PM 30.0 °F 21.7 °F 19.0 °F 64% 30.13 in 10.0 mi West 9.2 mph - N/A   Overcast
10:53 PM 28.9 °F 22.8 °F 19.0 °F 67% 30.13 in 10.0 mi West 5.8 mph - N/A   Overcast
11:53 PM 28.9 °F 25.2 °F 19.0 °F 67% 30.10 in 10.0 mi West 3.5 mph - N/A   Overcast
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