Helena, MT

1:22 AM MDT on April 24, 2018 (GMT -0600)
Helena Regional

Weather History for KHLN - February, 2013

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 27 °F 29 °F  
Max Temperature 36 °F 40 °F 63 °F (1961)
Min Temperature 18 °F 18 °F -23 °F (1910)
Degree Days  
Heating Degree Days 38 36  
Month to date heating degree days 688 800  
Since 1 July heating degree days 4897 5318  
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 53    
Maximum Humidity 73    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.02 in 0.49 in (1914)
Month to date precipitation 0.31 0.22  
Year to date precipitation 0.66 0.58  
Snow  
Snow 0.00 in 0.20 in 5.50 in (1914)
Month to date snowfall 6.3 3.9  
Since 1 July snowfall 35.7 26.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 9 mph (WSW)    
Max Wind Speed 23 mph    
Max Gust Speed 29 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

Feb. 21, 2013 Rise Set
Actual Time 7:21 AM MST 6:02 PM MST
Civil Twilight 6:50 AM MST 6:33 PM MST
Nautical Twilight 6:15 AM MST 7:08 PM MST
Astronomical Twilight 5:40 AM MST 7:43 PM MST
Moon 2:11 PM MST (2/21) 4:38 AM MST (2/21)
Length of Visible Light 11h 42m
Length of Day
10h 41m
Waxing Gibbous, 84% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 26.1 °F 20.5 °F 12.0 °F 55% 30.02 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
1:53 AM 26.1 °F 21.9 °F 10.9 °F 53% 30.02 in 10.0 mi SW 3.5 mph - N/A   Clear
2:53 AM 23.0 °F 15.8 °F 12.0 °F 63% 30.03 in 10.0 mi West 5.8 mph - N/A   Clear
3:53 AM 21.0 °F - 12.0 °F 68% 30.05 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 19.9 °F - 10.9 °F 68% 30.05 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 19.0 °F - 10.9 °F 71% 30.06 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 19.0 °F - 10.9 °F 71% 30.08 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 19.9 °F - 12.0 °F 71% 30.10 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 24.1 °F - 15.1 °F 69% 30.10 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 30.0 °F 20.0 °F 12.0 °F 47% 30.07 in 10.0 mi West 12.7 mph - N/A   Clear
10:53 AM 30.9 °F 17.8 °F 10.0 °F 42% 30.08 in 10.0 mi West 23.0 mph 27.6 mph N/A   Clear
11:53 AM 32.0 °F 19.8 °F 9.0 °F 38% 30.07 in 10.0 mi West 20.7 mph 27.6 mph N/A   Partly Cloudy
12:53 PM 34.0 °F 23.8 °F 9.0 °F 35% 30.04 in 10.0 mi West 16.1 mph - N/A   Clear
1:53 PM 35.1 °F 24.5 °F 9.0 °F 34% 30.01 in 10.0 mi West 18.4 mph 26.5 mph N/A   Clear
2:53 PM 34.0 °F 23.0 °F 9.0 °F 35% 30.02 in 10.0 mi West 18.4 mph 26.5 mph N/A   Mostly Cloudy
3:53 PM 33.1 °F 23.4 °F 10.0 °F 38% 30.03 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy
4:53 PM 33.1 °F 23.4 °F 10.9 °F 40% 30.02 in 10.0 mi West 13.8 mph - N/A   Overcast
5:53 PM 32.0 °F 25.6 °F 12.0 °F 44% 30.02 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
6:53 PM 32.0 °F 28.7 °F 12.0 °F 44% 30.02 in 10.0 mi SW 3.5 mph - N/A   Overcast
7:53 PM 32.0 °F 23.0 °F 10.9 °F 42% 30.02 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
8:53 PM 30.9 °F 21.7 °F 15.1 °F 52% 30.01 in 10.0 mi SW 11.5 mph - N/A   Overcast
9:53 PM 30.0 °F 23.2 °F 16.0 °F 56% 30.01 in 10.0 mi WSW 6.9 mph - N/A   Overcast
10:53 PM 30.2 °F 23.4 °F 15.8 °F 55% 29.86 in 10.0 mi WSW 6.9 mph - N/A   Overcast
11:53 PM 30.9 °F 22.8 °F 16.0 °F 54% 29.99 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy