Helena, MT
on Tuesday, May 13, 2008

Tuesday
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Daily Summary
 ActualAverageRecord
Temperature
Mean Temperature - 52 °F / 11 °C  
Max Temperature 64 °F / 17 °C 65 °F / 18 °C 89 °F / 31 °C (2001)
Min Temperature 33 °F / 0 °C 39 °F / 3 °C 23 °F / -5 °C (1983)
Degree Days
Heating Degree Days 16 13  
Month to date heating degree days 207 193  
Since 1 July heating degree days 7038 7627  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture
Dew Point 30 °F / -1 °C   
Average Humidity 58    
Maximum Humidity 96    
Minimum Humidity 19    
Precipitation
Precipitation 0.00 in / 0.00 cm 0.06 in / 0.15 cm 1.51 in / 3.84 cm (1898)
Month to date precipitation 0.48 0.67  
Year to date precipitation 1.89 3.11  
Snow
Snow 0.00 in / 0.00 cm - - ()
Month to date snowfall T  
Since 1 July snowfall 31.3  
Snow Depth 0.00 in / 0.00 cm   
Wind
Wind Speed 8 mph / 13 km/h   
Max Wind Speed 25 mph / 40 km/h   
Max Gust Speed 32 mph / 52 km/h   
Visibility 10 miles / 15 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 39.0 °F / 3.9 °C 34.0 °F / 1.1 °C 82% 30.18 in / 1021.8 hPa 10.0 miles / 16.1 kilometers East 3.5 mph / 5.6 km/h - N/A   Overcast
1:53 AM 39.0 °F / 3.9 °C 35.1 °F / 1.7 °C 86% 30.17 in / 1021.5 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Overcast
2:53 AM 37.9 °F / 3.3 °C 35.1 °F / 1.7 °C 89% 30.17 in / 1021.6 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Overcast
3:53 AM 36.0 °F / 2.2 °C 34.0 °F / 1.1 °C 93% 30.17 in / 1021.4 hPa 10.0 miles / 16.1 kilometers WNW 4.6 mph / 7.4 km/h - N/A   Overcast
4:53 AM 34.0 °F / 1.1 °C 32.0 °F / 0.0 °C 92% 30.17 in / 1021.7 hPa 8.0 miles / 12.9 kilometers West 5.8 mph / 9.3 km/h - N/A   Scattered Clouds
5:53 AM 35.1 °F / 1.7 °C 33.1 °F / 0.6 °C 92% 30.18 in / 1021.9 hPa 8.0 miles / 12.9 kilometers SSW 3.5 mph / 5.6 km/h - N/A   Clear
7:53 AM 39.0 °F / 3.9 °C 35.1 °F / 1.7 °C 86% 30.18 in / 1021.8 hPa 10.0 miles / 16.1 kilometers Calm Calm - N/A   Clear
8:53 AM 44.1 °F / 6.7 °C 37.9 °F / 3.3 °C 79% 30.15 in / 1020.9 hPa 10.0 miles / 16.1 kilometers NE 9.2 mph / 14.8 km/h - N/A   Clear
9:53 AM 46.9 °F / 8.3 °C 37.9 °F / 3.3 °C 71% 30.12 in / 1019.9 hPa 10.0 miles / 16.1 kilometers NNE 6.9 mph / 11.1 km/h - N/A   Partly Cloudy
10:53 AM 51.1 °F / 10.6 °C 37.0 °F / 2.8 °C 59% 30.09 in / 1018.9 hPa 10.0 miles / 16.1 kilometers ENE 9.2 mph / 14.8 km/h - N/A   Clear
11:53 AM 53.1 °F / 11.7 °C 37.0 °F / 2.8 °C 55% 30.06 in / 1018.0 hPa 10.0 miles / 16.1 kilometers ENE 5.8 mph / 9.3 km/h - N/A   Clear
12:53 PM 57.0 °F / 13.9 °C 36.0 °F / 2.2 °C 45% 30.02 in / 1016.4 hPa 10.0 miles / 16.1 kilometers NNE 5.8 mph / 9.3 km/h - N/A   Clear
1:53 PM 57.9 °F / 14.4 °C 32.0 °F / 0.0 °C 37% 29.98 in / 1015.2 hPa 10.0 miles / 16.1 kilometers Variable 3.5 mph / 5.6 km/h - N/A   Scattered Clouds
2:33 PM 62.6 °F / 17.0 °C 24.8 °F / -4.0 °C 24% 29.92 in / 1013.1 hPa 10.0 miles / 16.1 kilometers West 17.3 mph / 27.8 km/h 27.6 mph / 44.4 km/h N/A   Mostly Cloudy
2:53 PM 62.1 °F / 16.7 °C 23.0 °F / -5.0 °C 22% 29.95 in / 1014.1 hPa 10.0 miles / 16.1 kilometers West 16.1 mph / 25.9 km/h 25.3 mph / 40.7 km/h N/A   Mostly Cloudy
4:53 PM 62.1 °F / 16.7 °C 19.0 °F / -7.2 °C 19% 29.94 in / 1013.9 hPa 10.0 miles / 16.1 kilometers West 17.3 mph / 27.8 km/h 26.5 mph / 42.6 km/h N/A   Partly Cloudy
5:53 PM 61.0 °F / 16.1 °C 21.0 °F / -6.1 °C 21% 29.93 in / 1013.5 hPa 10.0 miles / 16.1 kilometers West 17.3 mph / 27.8 km/h 21.9 mph / 35.2 km/h N/A   Clear
6:53 PM 59.0 °F / 15.0 °C 24.1 °F / -4.4 °C 26% 29.95 in / 1014.0 hPa 10.0 miles / 16.1 kilometers WNW 12.7 mph / 20.4 km/h - N/A   Clear
7:53 PM 57.0 °F / 13.9 °C 27.0 °F / -2.8 °C 32% 29.97 in / 1014.8 hPa 10.0 miles / 16.1 kilometers WNW 6.9 mph / 11.1 km/h - N/A   Mostly Cloudy
8:53 PM 55.9 °F / 13.3 °C 26.1 °F / -3.3 °C 32% 29.99 in / 1015.4 hPa 10.0 miles / 16.1 kilometers WNW 12.7 mph / 20.4 km/h - N/A   Overcast
9:53 PM 53.1 °F / 11.7 °C 28.0 °F / -2.2 °C 38% 30.03 in / 1016.8 hPa 10.0 miles / 16.1 kilometers West 16.1 mph / 25.9 km/h 24.2 mph / 38.9 km/h N/A   Overcast
10:53 PM 51.1 °F / 10.6 °C 32.0 °F / 0.0 °C 48% 30.03 in / 1016.8 hPa 10.0 miles / 16.1 kilometers WNW 3.5 mph / 5.6 km/h - N/A   Overcast
11:53 PM 50.0 °F / 10.0 °C 32.0 °F / 0.0 °C 50% 30.01 in / 1016.2 hPa 10.0 miles / 16.1 kilometers West 8.1 mph / 13.0 km/h - N/A   Overcast

Astronomy

Sunrise: 05:55 AM (MDT) Moon Rise: 02:38 PM (MDT) 5 / 13
Sunset: 08:53 PM (MDT) Moon Set: 03:09 AM (MDT) 5 / 13
Moon Phase
May. 13 May. 19 May. 27 Jun. 03 Jun. 10

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