Helena, MT

1:44 AM MDT on July 24, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - April, 2013

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Thursday, April 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 35 °F 46 °F  
Max Temperature 53 °F 59 °F 80 °F (1936)
Min Temperature 17 °F 33 °F 9 °F (1951)
Degree Days  
Heating Degree Days 30 19  
Month to date heating degree days 462 391  
Since 1 July heating degree days 6442 6843  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 17 °F    
Average Humidity 52    
Maximum Humidity 77    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in 0.03 in 0.64 in (2003)
Month to date precipitation 0.54 0.54  
Year to date precipitation 1.30 1.79  
Snow  
Snow 0.00 in 0.10 in 2.90 in (1987)
Month to date snowfall 1.6 2.4  
Since 1 July snowfall 37.7 35.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 24 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

Apr. 18, 2013 Rise Set
Actual Time 6:34 AM MDT 8:20 PM MDT
Civil Twilight 6:02 AM MDT 8:52 PM MDT
Nautical Twilight 5:23 AM MDT 9:31 PM MDT
Astronomical Twilight 4:41 AM MDT 10:14 PM MDT
Moon 12:46 PM MDT (4/18) 2:41 AM MDT (4/18)
Length of Visible Light 14h 49m
Length of Day
13h 45m
First Quarter, 52% of the Moon is Illuminated
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First Quarter

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 25.0 °F - 14.0 °F 63% 30.37 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 24.1 °F - 14.0 °F 65% 30.37 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 24.1 °F - 14.0 °F 65% 30.34 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 21.9 °F 17.2 °F 12.9 °F 68% 30.34 in 10.0 mi East 3.5 mph - N/A   Clear
4:53 AM 19.0 °F - 12.0 °F 74% 30.35 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 18.0 °F - 10.9 °F 74% 30.36 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 19.0 °F - 12.9 °F 77% 30.36 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 21.9 °F - 15.1 °F 75% 30.37 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 26.1 °F - 16.0 °F 66% 30.36 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 33.1 °F - 17.1 °F 52% 30.33 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 43.0 °F 36.0 °F 16.0 °F 34% 30.29 in 10.0 mi West 13.8 mph 23.0 mph N/A   Clear
11:53 AM 45.0 °F 38.2 °F 17.1 °F 33% 30.28 in 10.0 mi West 15.0 mph 23.0 mph N/A   Mostly Cloudy
12:53 PM 48.9 °F - 18.0 °F 29% 30.27 in 10.0 mi West 16.1 mph 26.5 mph N/A   Overcast
1:53 PM 48.0 °F - 18.0 °F 30% 30.26 in 10.0 mi WSW 12.7 mph - N/A   Overcast
2:53 PM 48.9 °F - 19.0 °F 31% 30.25 in 10.0 mi West 18.4 mph 23.0 mph N/A   Mostly Cloudy
3:53 PM 50.0 °F - 18.0 °F 28% 30.25 in 10.0 mi West 15.0 mph 24.2 mph N/A   Mostly Cloudy
4:53 PM 50.0 °F - 18.0 °F 28% 30.25 in 10.0 mi West 17.3 mph 27.6 mph N/A   Overcast
5:53 PM 51.1 °F - 19.0 °F 28% 30.25 in 10.0 mi West 23.0 mph 27.6 mph N/A   Mostly Cloudy
6:53 PM 50.0 °F - 19.0 °F 29% 30.24 in 10.0 mi West 11.5 mph - N/A   Clear
7:53 PM 46.9 °F - 19.0 °F 33% 30.24 in 10.0 mi WNW 15.0 mph - N/A   Clear
8:53 PM 42.1 °F 36.1 °F 19.0 °F 40% 30.26 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:53 PM 41.0 °F 34.7 °F 19.9 °F 43% 30.25 in 10.0 mi West 10.4 mph - N/A   Clear
10:53 PM 39.0 °F 33.4 °F 19.9 °F 46% 30.23 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
11:53 PM 37.0 °F 31.0 °F 19.9 °F 50% 30.22 in 10.0 mi West 8.1 mph - N/A   Clear