Helena, MT

11:33 AM MDT on August 20, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - May, 2013

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Wednesday, May 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F 54 °F  
Max Temperature 72 °F 67 °F 88 °F (1944)
Min Temperature 47 °F 41 °F 26 °F (1943)
Degree Days  
Heating Degree Days 5 11  
Month to date heating degree days 143 202  
Since 1 July heating degree days 6834 7256  
Cooling Degree Days 0 0  
Month to date cooling degree days 7 0  
Year to date cooling degree days 7 0  
Growing Degree Days 9 (Base 50)    
Moisture  
Dew Point 27 °F    
Average Humidity 33    
Maximum Humidity 47    
Minimum Humidity 18    
Precipitation  
Precipitation T in 0.06 in 0.83 in (1909)
Month to date precipitation 0.13 0.73  
Year to date precipitation 1.67 2.96  
Snow  
Snow 0.00 in 0.00 in 4.10 in (1910)
Month to date snowfall 0.0 0.6  
Since 1 July snowfall 39.7 37.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 6 mph (WNW)    
Max Wind Speed 26 mph    
Max Gust Speed 31 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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Date:

Astronomy

May. 15, 2013 Rise Set
Actual Time 5:53 AM MDT 8:55 PM MDT
Civil Twilight 5:17 AM MDT 9:31 PM MDT
Nautical Twilight 4:31 AM MDT 10:17 PM MDT
Astronomical Twilight 3:36 AM MDT 11:14 PM MDT
Moon 10:36 AM MDT (5/15) 12:41 AM MDT (5/15)
Length of Visible Light 16h 13m
Length of Day
15h 02m
Waxing Crescent, 27% of the Moon is Illuminated
May 15
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 55.0 °F 25.0 °F 31% 30.02 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 54.0 °F 25.0 °F 33% 30.01 in 10.0 mi WSW 9.2 mph - N/A   Clear
2:53 AM 52.0 °F 25.0 °F 35% 30.02 in 10.0 mi WSW 5.8 mph - N/A   Clear
3:53 AM 48.9 °F 24.1 °F 38% 30.03 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 48.9 °F 24.1 °F 38% 30.03 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 48.0 °F 25.0 °F 41% 30.04 in 10.0 mi West 6.9 mph - N/A   Clear
6:53 AM 46.9 °F 27.0 °F 46% 30.05 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 48.9 °F 28.0 °F 44% 30.06 in 10.0 mi NE 4.6 mph - N/A   Clear
8:53 AM 54.0 °F 27.0 °F 35% 30.05 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 57.9 °F 26.1 °F 30% 30.03 in 10.0 mi NW 10.4 mph - N/A   Clear
10:53 AM 60.1 °F 27.0 °F 28% 30.01 in 10.0 mi Variable 4.6 mph - N/A   Clear
11:53 AM 63.0 °F 28.9 °F 28% 29.99 in 10.0 mi North 8.1 mph - N/A   Clear
12:53 PM 63.0 °F 28.9 °F 28% 29.96 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 66.9 °F 30.0 °F 25% 29.92 in 10.0 mi ESE 6.9 mph - N/A   Clear
2:53 PM 69.1 °F 27.0 °F 21% 29.90 in 10.0 mi NNW 5.8 mph - N/A   Clear
3:53 PM 69.1 °F 25.0 °F 19% 29.89 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 70.0 °F 25.0 °F 18% 29.87 in 10.0 mi Variable 6.9 mph - N/A   Clear
5:53 PM 69.1 °F 26.1 °F 20% 29.87 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
6:53 PM 66.9 °F 28.0 °F 23% 29.87 in 10.0 mi NNW 16.1 mph - N/A   Scattered Clouds
7:53 PM 64.9 °F 25.0 °F 22% 29.87 in 10.0 mi NNW 8.1 mph - N/A   Scattered Clouds
8:53 PM 64.0 °F 25.0 °F 23% 29.87 in 10.0 mi WNW 5.8 mph - N/A   Overcast
9:53 PM 62.1 °F 26.1 °F 25% 29.88 in 10.0 mi West 6.9 mph - N/A   Overcast
10:53 PM 55.9 °F 35.1 °F 45% 29.94 in 10.0 mi WNW 10.4 mph - N/A   Overcast
11:53 PM 55.9 °F 36.0 °F 47% 29.92 in 10.0 mi WSW 10.4 mph - N/A   Overcast