Helena, MT

10:32 PM MDT on August 25, 2016 (GMT -0600)
Helena Regional

Weather History for KHLN - May, 2012

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Thursday, May 10, 2012

  Actual Average Record
Temperature  
Mean Temperature 45 °F 52 °F  
Max Temperature 56 °F 66 °F 88 °F (1940)
Min Temperature 33 °F 39 °F 23 °F (1946)
Degree Days  
Heating Degree Days 20 13  
Month to date heating degree days 163 142  
Since 1 July heating degree days 6507 7196  
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 29    
Maximum Humidity 45    
Minimum Humidity 13    
Precipitation  
Precipitation 0.00 in 0.06 in 1.45 in (1914)
Month to date precipitation 0.12 0.45  
Year to date precipitation 3.43 2.68  
Snow  
Snow 0.00 in 0.10 in 12.50 in (1967)
Month to date snowfall 0.0 0.5  
Since 1 July snowfall 40.1 37.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 14 mph (WNW)    
Max Wind Speed 31 mph    
Max Gust Speed 39 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

May. 10, 2012 Rise Set
Actual Time 5:59 AM MDT 8:49 PM MDT
Civil Twilight 5:24 AM MDT 9:25 PM MDT
Nautical Twilight 4:40 AM MDT 10:09 PM MDT
Astronomical Twilight 3:47 AM MDT 11:03 PM MDT
Moon 12:52 AM MDT (5/10) 10:27 AM MDT (5/10)
Length of Visible Light 16h 00m
Length of Day
14h 50m
Waning Gibbous, 72% of the Moon is Illuminated
May 10
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 55.9 °F - 30.0 °F 37% 29.80 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
1:53 AM 53.1 °F - 32.0 °F 45% 29.82 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
2:53 AM 52.0 °F - 30.9 °F 45% 29.83 in 10.0 mi WNW 8.1 mph - N/A   Overcast
3:53 AM 50.0 °F - 24.1 °F 36% 29.89 in 10.0 mi West 16.1 mph - N/A   Overcast
4:53 AM 48.0 °F - 23.0 °F 37% 29.91 in 10.0 mi WNW 17.3 mph 26.5 mph N/A   Overcast
5:53 AM 46.9 °F - 23.0 °F 39% 29.93 in 10.0 mi WNW 9.2 mph - N/A   Overcast
6:53 AM 46.0 °F 38.8 °F 23.0 °F 40% 29.95 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Overcast
7:53 AM 45.0 °F 38.9 °F 23.0 °F 42% 29.99 in 10.0 mi West 12.7 mph 18.4 mph N/A   Overcast
8:53 AM 45.0 °F 38.2 °F 10.0 °F 24% 30.03 in 10.0 mi WNW 15.0 mph 21.9 mph N/A   Overcast
9:53 AM 45.0 °F 37.4 °F 5.0 °F 19% 30.06 in 10.0 mi West 18.4 mph 28.8 mph N/A   Scattered Clouds
10:53 AM 46.0 °F 38.5 °F 3.9 °F 18% 30.08 in 10.0 mi WNW 19.6 mph 32.2 mph N/A   Partly Cloudy
11:53 AM 50.0 °F - 3.0 °F 15% 30.07 in 10.0 mi WNW 25.3 mph 35.7 mph N/A   Clear
12:53 PM 52.0 °F - 6.1 °F 16% 30.07 in 10.0 mi West 20.7 mph 28.8 mph N/A   Clear
1:53 PM 53.1 °F - 5.0 °F 14% 30.09 in 10.0 mi WNW 19.6 mph 32.2 mph N/A   Clear
2:53 PM 52.0 °F - 5.0 °F 15% 30.09 in 10.0 mi WNW 13.8 mph 28.8 mph N/A   Clear
3:53 PM 54.0 °F - 3.0 °F 13% 30.09 in 10.0 mi West 16.1 mph 36.8 mph N/A   Clear
4:53 PM 54.0 °F - 3.9 °F 13% 30.10 in 10.0 mi NW 15.0 mph 29.9 mph N/A   Clear
5:53 PM 53.1 °F - 3.0 °F 13% 30.10 in 10.0 mi WNW 15.0 mph 27.6 mph N/A   Clear
6:53 PM 52.0 °F - 5.0 °F 15% 30.12 in 10.0 mi WNW 15.0 mph - N/A   Clear
7:53 PM 50.0 °F - 6.1 °F 17% 30.14 in 10.0 mi WNW 12.7 mph - N/A   Clear
8:53 PM 45.0 °F 40.1 °F 7.0 °F 21% 30.18 in 10.0 mi NW 9.2 mph - N/A   Clear
9:53 PM 43.0 °F 38.2 °F 8.1 °F 24% 30.21 in 10.0 mi West 8.1 mph - N/A   Clear
10:53 PM 41.0 °F 35.8 °F 10.4 °F 29% 30.16 in 10.0 mi West 8.1 mph - N/A   Clear
11:53 PM 37.0 °F 33.3 °F 10.9 °F 34% 30.24 in 10.0 mi WNW 4.6 mph - N/A   Clear