History for Helena, MT

Friday, February 22, 2013 — View Current Conditions
Friday, February 22, 2013
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 35 °F 29 °F  
Max Temperature 43 °F 41 °F 63 °F (2002)
Min Temperature 26 °F 18 °F -29 °F (1910)
Degree Days
Heating Degree Days 30 36  
Month to date heating degree days 718 836  
Since 1 July heating degree days 4927 5354  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 16 °F    
Average Humidity 46    
Maximum Humidity 63    
Minimum Humidity 29    
Precipitation
Precipitation 0.00 in 0.01 in 0.30 in (1889)
Month to date precipitation 0.31 0.23  
Year to date precipitation 0.66 0.59  
Snow
Snow 0.00 in 0.10 in 9.00 in (1928)
Month to date snowfall 6.3 4.0  
Since 1 July snowfall 35.7 26.3  
Snow Depth 0.00 in    
Sea Level Pressure
Sea Level Pressure 29.88 in    
Wind
Wind Speed 9 mph (WSW)    
Max Wind Speed 23 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
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Astronomy
May. 25, 2013 Rise Set
Actual Time 7:19 AM MST 6:04 PM MST
Civil Twilight 6:48 AM MST 6:34 PM MST
Nautical Twilight 6:13 AM MST 7:09 PM MST
Astronomical Twilight 5:38 AM MST 7:44 PM MST
Moon 3:12 PM MST (2/22) 5:14 AM MST (2/22)
Length Of Visible Light 11h 46m
Length of Day
10h 44m
Waxing Gibbous, 90% of the Moon is Illuminated
Feb 22
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 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 30.9 °F 23.5 °F 16.0 °F 54% 30.00 in 10.0 mi West 8.1 mph 16.1 mph N/A   Partly Cloudy
1:53 AM 30.0 °F 20.0 °F 16.0 °F 56% 30.00 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
2:53 AM 30.0 °F 19.1 °F 17.1 °F 59% 30.00 in 10.0 mi West 15.0 mph - N/A   Clear
3:53 AM 30.0 °F 19.1 °F 16.0 °F 56% 30.00 in 10.0 mi West 15.0 mph - N/A   Clear
4:53 AM 30.0 °F 18.3 °F 16.0 °F 56% 30.00 in 10.0 mi West 17.3 mph - N/A   Partly Cloudy
5:53 AM 28.9 °F 18.6 °F 15.1 °F 56% 30.02 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
6:53 AM 28.9 °F - 14.0 °F 54% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 26.1 °F 21.9 °F 16.0 °F 66% 30.04 in 10.0 mi East 3.5 mph - N/A   Overcast
8:53 AM 28.9 °F - 17.1 °F 61% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 34.0 °F 27.2 °F 12.9 °F 42% 29.99 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
10:53 AM 36.0 °F - 12.9 °F 39% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
11:53 AM 39.9 °F 32.5 °F 12.9 °F 33% 29.93 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
12:53 PM 42.1 °F 36.6 °F 12.9 °F 31% 29.88 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
1:53 PM 41.0 °F 31.4 °F 14.0 °F 33% 29.85 in 10.0 mi West 21.9 mph 29.9 mph N/A   Mostly Cloudy
2:53 PM 43.0 °F 37.2 °F 15.1 °F 32% 29.83 in 10.0 mi West 10.4 mph 17.3 mph N/A   Overcast
3:53 PM 42.1 °F 35.2 °F 15.1 °F 34% 29.80 in 10.0 mi West 12.7 mph 20.7 mph N/A   Partly Cloudy
4:53 PM 42.1 °F 36.6 °F 15.1 °F 34% 29.78 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
5:53 PM 41.0 °F 38.0 °F 16.0 °F 36% 29.78 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
6:53 PM 39.9 °F 34.5 °F 17.1 °F 40% 29.75 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
7:53 PM 39.9 °F 33.4 °F 17.1 °F 40% 29.74 in 10.0 mi SSW 10.4 mph - N/A   Overcast
8:53 PM 41.0 °F 34.7 °F 18.0 °F 40% 29.72 in 10.0 mi South 10.4 mph - N/A   Overcast
9:53 PM 41.0 °F 39.0 °F 18.0 °F 40% 29.70 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
10:53 PM 39.9 °F 35.1 °F 19.0 °F 43% 29.69 in 10.0 mi South 6.9 mph - N/A   Overcast
11:53 PM 37.9 °F 31.5 °F 19.0 °F 47% 29.66 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
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