Helena, MT
on Sunday, May 11, 2008

Sunday
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Daily Summary
 ActualAverageRecord
Temperature
Mean Temperature - 52 °F / 11 °C  
Max Temperature 60 °F / 15 °C 65 °F / 18 °C 87 °F / 30 °C (1993)
Min Temperature 40 °F / 4 °C 38 °F / 3 °C 25 °F / -3 °C (1968)
Degree Days
Heating Degree Days 15 14  
Month to date heating degree days 169 167  
Since 1 July heating degree days 7000 7601  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days2 (Base - )  
Moisture
Dew Point 27 °F / -2 °C   
Average Humidity 43    
Maximum Humidity 62    
Minimum Humidity 24    
Precipitation
Precipitation 0.00 in / 0.00 cm 0.06 in / 0.15 cm 1.02 in / 2.59 cm (1920)
Month to date precipitation 0.22 0.55  
Year to date precipitation 1.63 2.99  
Snow
Snow 0.00 in / 0.00 cm - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 31.3  
Snow Depth 0.00 in / 0.00 cm   
Wind
Wind Speed 11 mph / 17 km/h   
Max Wind Speed 30 mph / 48 km/h   
Max Gust Speed 39 mph / 63 km/h   
Visibility 10 miles / 16 kilometers   
Events     
Key: T is trace of precipitation, MM is missing value
Source: NWS Daily Summary
Time(MDT)TemperatureDew PointHumidity Pressure Visibility Wind DirectionWind SpeedGust SpeedPrecipitationEvents Conditions
12:53 AM 50.0 °F / 10.0 °C 27.0 °F / -2.8 °C 41% 29.87 in / 1011.3 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Scattered Clouds
1:53 AM 46.0 °F / 7.8 °C 28.0 °F / -2.2 °C 50% 29.84 in / 1010.4 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Clear
2:53 AM 44.1 °F / 6.7 °C 28.0 °F / -2.2 °C 53% 29.82 in / 1009.8 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Clear
3:53 AM 44.1 °F / 6.7 °C 28.9 °F / -1.7 °C 55% 29.81 in / 1009.5 hPa 10.0 miles / 16.1 kilometers West 10.4 mph / 16.7 km/h - N/A   Overcast
4:53 AM 45.0 °F / 7.2 °C 28.9 °F / -1.7 °C 53% 29.79 in / 1008.7 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Overcast
5:53 AM 43.0 °F / 6.1 °C 30.9 °F / -0.6 °C 62% 29.78 in / 1008.4 hPa 10.0 miles / 16.1 kilometers NE 3.5 mph / 5.6 km/h - N/A   Overcast
6:53 AM 45.0 °F / 7.2 °C 30.0 °F / -1.1 °C 56% 29.74 in / 1007.0 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Mostly Cloudy
7:53 AM 46.9 °F / 8.3 °C 30.0 °F / -1.1 °C 52% 29.73 in / 1006.5 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Scattered Clouds
10:53 AM 55.0 °F / 12.8 °C 32.0 °F / 0.0 °C 42% 29.74 in / 1007.0 hPa 10.0 miles / 16.1 kilometers NW 11.5 mph / 18.5 km/h 21.9 mph / 35.2 km/h N/A   Overcast
11:53 AM 55.9 °F / 13.3 °C 32.0 °F / 0.0 °C 40% 29.72 in / 1006.4 hPa 10.0 miles / 16.1 kilometers West 18.4 mph / 29.6 km/h - N/A   Mostly Cloudy
12:53 PM 60.1 °F / 15.6 °C 33.1 °F / 0.6 °C 36% 29.73 in / 1006.7 hPa 10.0 miles / 16.1 kilometers West 20.7 mph / 33.3 km/h 27.6 mph / 44.4 km/h N/A   Scattered Clouds
1:53 PM 57.9 °F / 14.4 °C 30.9 °F / -0.6 °C 36% 29.73 in / 1006.5 hPa 10.0 miles / 16.1 kilometers West 18.4 mph / 29.6 km/h 32.2 mph / 51.9 km/h N/A   Clear
2:53 PM 60.1 °F / 15.6 °C 28.9 °F / -1.7 °C 31% 29.71 in / 1006.1 hPa 10.0 miles / 16.1 kilometers West 28.8 mph / 46.3 km/h 39.1 mph / 63.0 km/h N/A   Clear
3:53 PM 55.9 °F / 13.3 °C 26.1 °F / -3.3 °C 32% 29.75 in / 1007.3 hPa 10.0 miles / 16.1 kilometers West 13.8 mph / 22.2 km/h 28.8 mph / 46.3 km/h N/A   Mostly Cloudy
4:53 PM 55.9 °F / 13.3 °C 21.9 °F / -5.6 °C 27% 29.75 in / 1007.4 hPa 10.0 miles / 16.1 kilometers West 15.0 mph / 24.1 km/h 25.3 mph / 40.7 km/h N/A   Overcast
5:53 PM 55.0 °F / 12.8 °C 19.9 °F / -6.7 °C 25% 29.77 in / 1008.0 hPa 10.0 miles / 16.1 kilometers West 19.6 mph / 31.5 km/h 26.5 mph / 42.6 km/h N/A   Clear
6:53 PM 54.0 °F / 12.2 °C 21.0 °F / -6.1 °C 28% 29.76 in / 1007.6 hPa 10.0 miles / 16.1 kilometers WNW 17.3 mph / 27.8 km/h 20.7 mph / 33.3 km/h N/A   Clear
7:53 PM 53.1 °F / 11.7 °C 19.9 °F / -6.7 °C 27% 29.75 in / 1007.4 hPa 10.0 miles / 16.1 kilometers West 13.8 mph / 22.2 km/h - N/A   Clear
8:53 PM 51.1 °F / 10.6 °C 21.9 °F / -5.6 °C 32% 29.78 in / 1008.5 hPa 10.0 miles / 16.1 kilometers NNW 13.8 mph / 22.2 km/h - N/A   Partly Cloudy
9:53 PM 48.0 °F / 8.9 °C 21.9 °F / -5.6 °C 36% 29.81 in / 1009.5 hPa 10.0 miles / 16.1 kilometers WNW 10.4 mph / 16.7 km/h - N/A   Clear
10:53 PM 46.0 °F / 7.8 °C 21.9 °F / -5.6 °C 39% 29.81 in / 1009.3 hPa 10.0 miles / 16.1 kilometers West 12.7 mph / 20.4 km/h - N/A   Clear
11:53 PM 45.0 °F / 7.2 °C 21.0 °F / -6.1 °C 39% 29.80 in / 1009.0 hPa 10.0 miles / 16.1 kilometers West 16.1 mph / 25.9 km/h 21.9 mph / 35.2 km/h N/A   Partly Cloudy

Astronomy

Sunrise: 05:58 AM (MDT) Moon Rise: 12:12 PM (MDT) 5 / 11
Sunset: 08:51 PM (MDT) Moon Set: 02:27 AM (MDT) 5 / 11
Moon Phase
May. 11 May. 11 May. 19 May. 27 Jun. 03

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