Helena, MT

7:55 PM MST on November 20, 2017 (GMT -0700)
Helena Regional

Weather History for KHLN - April, 2013

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Thursday, April 25, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F 48 °F  
Max Temperature 65 °F 61 °F 86 °F (1910)
Min Temperature 43 °F 34 °F 19 °F (1880)
Degree Days  
Heating Degree Days 11 17  
Month to date heating degree days 633 519  
Since 1 July heating degree days 6613 6971  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 20 °F    
Average Humidity 27    
Maximum Humidity 37    
Minimum Humidity 17    
Precipitation  
Precipitation 0.00 in 0.04 in 0.98 in (1975)
Month to date precipitation 0.77 0.79  
Year to date precipitation 1.53 2.04  
Snow  
Snow 0.00 in 0.10 in 4.80 in (1961)
Month to date snowfall 3.6 3.2  
Since 1 July snowfall 39.7 36.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 14 mph (West)    
Max Wind Speed 28 mph    
Max Gust Speed 35 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. 25, 2013 Rise Set
Actual Time 6:22 AM MDT 8:29 PM MDT
Civil Twilight 5:49 AM MDT 9:02 PM MDT
Nautical Twilight 5:09 AM MDT 9:43 PM MDT
Astronomical Twilight 4:24 AM MDT 10:29 PM MDT
Moon 8:49 PM MDT (4/25) 6:08 AM MDT (4/25)
Length of Visible Light 15h 13m
Length of Day
14h 07m
Full, 100% of the Moon is Illuminated
Apr 25
Full
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 50.0 °F - 16.0 °F 26% 29.96 in 10.0 mi WSW 6.9 mph - N/A   Clear
1:53 AM 48.9 °F - 16.0 °F 27% 29.95 in 10.0 mi West 8.1 mph - N/A   Clear
2:53 AM 48.0 °F - 17.1 °F 29% 29.94 in 10.0 mi WSW 9.2 mph - N/A   Clear
3:53 AM 45.0 °F 40.6 °F 17.1 °F 33% 29.92 in 10.0 mi WSW 8.1 mph - N/A   Clear
4:53 AM 44.1 °F 38.6 °F 18.0 °F 35% 29.93 in 10.0 mi WSW 10.4 mph - N/A   Clear
5:53 AM 44.1 °F 38.1 °F 19.0 °F 37% 29.93 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
6:53 AM 46.0 °F 40.2 °F 21.0 °F 37% 29.94 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
7:53 AM 48.0 °F - 21.0 °F 34% 29.94 in 10.0 mi West 15.0 mph - N/A   Scattered Clouds
8:53 AM 50.0 °F - 21.0 °F 32% 29.94 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
9:53 AM 53.1 °F - 21.0 °F 29% 29.94 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
10:53 AM 55.9 °F - 21.0 °F 26% 29.92 in 10.0 mi WNW 13.8 mph 27.6 mph N/A   Clear
11:53 AM 59.0 °F - 21.9 °F 24% 29.89 in 10.0 mi West 19.6 mph 26.5 mph N/A   Mostly Cloudy
12:53 PM 59.0 °F - 21.0 °F 23% 29.86 in 10.0 mi WNW 17.3 mph 23.0 mph N/A   Partly Cloudy
1:53 PM 63.0 °F - 19.9 °F 19% 29.84 in 10.0 mi West 19.6 mph 33.4 mph N/A   Clear
2:53 PM 63.0 °F - 18.0 °F 18% 29.84 in 10.0 mi West 20.7 mph 32.2 mph N/A   Clear
3:53 PM 64.9 °F - 19.0 °F 17% 29.84 in 10.0 mi WNW 23.0 mph 29.9 mph N/A   Clear
4:53 PM 64.9 °F - 21.0 °F 19% 29.84 in 10.0 mi West 17.3 mph 31.1 mph N/A   Clear
5:53 PM 64.0 °F - 19.9 °F 18% 29.86 in 10.0 mi West 18.4 mph 28.8 mph N/A   Partly Cloudy
6:53 PM 62.1 °F - 19.9 °F 20% 29.88 in 10.0 mi NW 20.7 mph 28.8 mph N/A   Clear
7:53 PM 59.0 °F - 21.0 °F 23% 29.92 in 10.0 mi WNW 13.8 mph 21.9 mph N/A   Clear
8:53 PM 54.0 °F - 21.9 °F 29% 29.96 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:53 PM 54.0 °F - 23.0 °F 30% 30.01 in 10.0 mi West 12.7 mph - N/A   Clear
10:53 PM 53.1 °F - 24.1 °F 32% 30.03 in 10.0 mi West 10.4 mph - N/A   Clear
11:53 PM 52.0 °F - 25.0 °F 35% 30.04 in 10.0 mi WSW 10.4 mph - N/A   Clear