Helena, MT
on Saturday, February 11, 2012

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Daily Summary
 ActualAverageRecord
Temperature
Mean Temperature - 27 °F  
Max Temperature 26 °F 38 °F 65 °F (1961)
Min Temperature 9 °F 16 °F -29 °F (1905)
Degree Days
Heating Degree Days 47 38  
Month to date heating degree days 422 429  
Since 1 July heating degree days 4478 4947  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 13 °F   
Average Humidity 77    
Maximum Humidity 92    
Minimum Humidity 62    
Precipitation
Precipitation 0.01 in 0.01 in 0.42 in (1900)
Month to date precipitation 0.35 0.11  
Year to date precipitation 1.63 0.47  
Snow
Snow 0.40 in 0.20 in 14.60 in (1900)
Month to date snowfall 6.9 2.1  
Since 1 July snowfall 35.5 24.4  
Snow Depth 5.00 in   
Wind
Wind Speed 1 mph   
Max Wind Speed 7 mph   
Max Gust Speed 8 mph   
Visibility 8 miles   
Events Snow   
Key: T is trace of precipitation, MM is missing value
Source: NWS Daily Summary
Time(MST)TemperatureDew PointHumidity Pressure Visibility Wind DirectionWind SpeedGust SpeedPrecipitationEvents Conditions
12:00 AM 17.6 °F 15.8 °F 93% 30.26 in 4.0 miles West 5.8 mph - 0.00 in Snow Light Snow
12:53 AM 18.0 °F 14.0 °F 84% 30.47 in 2.5 miles West 5.8 mph - 0.00 in Snow Light Snow
1:39 AM 17.6 °F 14.0 °F 86% 30.25 in 3.0 miles West 6.9 mph - 0.01 in Snow Light Snow
1:53 AM 18.0 °F 14.0 °F 84% 30.46 in 4.0 miles West 5.8 mph - 0.01 in Snow Light Snow
2:53 AM 18.0 °F 14.0 °F 84% 30.45 in 6.0 miles WNW 4.6 mph - 0.00 in Snow Light Snow
3:53 AM 18.0 °F 14.0 °F 84% 30.45 in 6.0 miles Calm Calm - 0.00 in Snow Light Snow
4:53 AM 18.0 °F 12.9 °F 81% 30.44 in 10.0 miles Calm Calm - 0.00 in   Overcast
5:53 AM 18.0 °F 12.9 °F 81% 30.44 in 10.0 miles Calm Calm - N/A   Overcast
6:53 AM 17.1 °F 12.9 °F 84% 30.42 in 10.0 miles Calm Calm - N/A   Overcast
7:50 AM 17.6 °F 12.2 °F 79% 30.20 in 10.0 miles Calm Calm - N/A   Overcast
7:53 AM 18.0 °F 12.9 °F 81% 30.42 in 10.0 miles Calm Calm - N/A   Overcast
8:36 AM 19.4 °F 14.0 °F 80% 30.20 in 10.0 miles Calm Calm - N/A   Overcast
8:53 AM 19.0 °F 12.9 °F 77% 30.41 in 10.0 miles Calm Calm - N/A   Overcast
9:53 AM 19.9 °F 12.9 °F 74% 30.41 in 10.0 miles Calm Calm - N/A   Overcast
10:53 AM 24.1 °F 14.0 °F 65% 30.40 in 10.0 miles Calm Calm - N/A   Mostly Cloudy
11:53 AM 21.9 °F 14.0 °F 72% 30.39 in 10.0 miles Calm Calm - N/A   Partly Cloudy
12:53 PM 23.0 °F 15.1 °F 72% 30.35 in 10.0 miles Calm Calm - N/A   Clear
1:53 PM 24.1 °F 16.0 °F 71% 30.31 in 5.0 miles Calm Calm - N/A   Haze
2:53 PM 24.1 °F 15.1 °F 69% 30.29 in 10.0 miles Calm Calm - N/A   Clear
3:53 PM 25.0 °F 15.1 °F 66% 30.27 in 10.0 miles WNW 4.6 mph - N/A   Clear
4:53 PM 24.1 °F 15.1 °F 69% 30.27 in 10.0 miles WNW 3.5 mph - N/A   Clear
5:53 PM 19.9 °F 15.1 °F 81% 30.26 in 10.0 miles Calm Calm - N/A   Clear
6:53 PM 17.1 °F 12.9 °F 84% 30.27 in 8.0 miles Calm Calm - N/A   Clear
7:53 PM 16.0 °F 12.9 °F 88% 30.27 in 9.0 miles WSW 3.5 mph - N/A   Clear
8:53 PM 15.1 °F 12.0 °F 88% 30.25 in 8.0 miles SW 3.5 mph - N/A   Clear
9:53 PM 12.0 °F 10.0 °F 92% 30.25 in 8.0 miles Calm Calm - N/A   Clear
10:53 PM 10.9 °F 9.0 °F 92% 30.24 in 7.0 miles Calm Calm - N/A   Clear
11:53 PM 12.0 °F 9.0 °F 88% 30.24 in 9.0 miles Calm Calm - N/A   Overcast

Astronomy

Sunrise: 07:38 AM (MST) Moon Rise: 11:02 PM (MST) 2 / 11
Sunset: 05:46 PM (MST) Moon Set: 09:02 AM (MST) 2 / 11
Moon Phase
Feb. 11 Feb. 14 Feb. 21 Feb. 29 Mar. 08

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