Helena, MT

3:27 PM MDT on May 25, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - February, 2012

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Saturday, February 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 30 °F 28 °F  
Max Temperature 39 °F 39 °F 64 °F (1930)
Min Temperature 21 °F 17 °F -24 °F (1942)
Degree Days  
Heating Degree Days 35 37  
Month to date heating degree days 696 691  
Since 1 July heating degree days 4752 5209  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 19 °F    
Average Humidity 64    
Maximum Humidity 88    
Minimum Humidity 40    
Precipitation  
Precipitation T in 0.01 in 0.31 in (1993)
Month to date precipitation 0.45 0.18  
Year to date precipitation 1.73 0.54  
Snow  
Snow T in 0.20 in 6.90 in (1993)
Month to date snowfall 9.9 3.3  
Since 1 July snowfall 38.5 25.6  
Snow Depth 1.00 in    
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 22 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

Feb. 18, 2012 Rise Set
Actual Time 7:27 AM MST 5:56 PM MST
Civil Twilight 6:56 AM MST 6:27 PM MST
Nautical Twilight 6:21 AM MST 7:03 PM MST
Astronomical Twilight 5:46 AM MST 7:38 PM MST
Moon 5:18 AM MST (2/18) 2:49 PM MST (2/18)
Length of Visible Light 11h 31m
Length of Day
10h 29m
Waning Crescent, 11% of the Moon is Illuminated
Feb 18
Waning Crescent
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last 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 24.1 °F - 19.9 °F 84% 30.10 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 23.0 °F 15.8 °F 19.0 °F 85% 30.07 in 10.0 mi West 5.8 mph - N/A   Clear
2:53 AM 23.0 °F - 19.0 °F 85% 30.04 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 21.9 °F - 18.0 °F 85% 30.02 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 24.1 °F - 19.0 °F 81% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 24.1 °F 19.7 °F 19.9 °F 84% 30.02 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
6:53 AM 23.0 °F 18.4 °F 19.9 °F 88% 30.01 in 10.0 mi SE 3.5 mph - N/A   Overcast
7:53 AM 25.0 °F 19.3 °F 21.0 °F 85% 30.00 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
8:53 AM 28.9 °F 20.4 °F 21.9 °F 75% 30.02 in 9.0 mi West 9.2 mph - 0.00 in   Overcast
9:53 AM 30.0 °F 24.1 °F 24.1 °F 79% 30.03 in 10.0 mi NE 5.8 mph - N/A   Overcast
10:53 AM 33.1 °F 28.7 °F 25.0 °F 72% 30.02 in 10.0 mi East 4.6 mph - N/A   Overcast
11:53 AM 37.0 °F 28.9 °F 21.9 °F 54% 30.01 in 10.0 mi West 12.7 mph - N/A   Overcast
12:10 PM 37.4 °F 28.9 °F 21.2 °F 52% 29.86 in 10.0 mi WSW 13.8 mph - N/A   Overcast
12:53 PM 37.9 °F 29.2 °F 19.9 °F 48% 29.97 in 10.0 mi West 15.0 mph - N/A   Overcast
1:53 PM 39.0 °F 31.4 °F 17.1 °F 41% 29.96 in 10.0 mi West 12.7 mph 18.4 mph N/A   Mostly Cloudy
2:53 PM 37.9 °F 29.6 °F 16.0 °F 41% 29.96 in 10.0 mi West 13.8 mph 20.7 mph N/A   Overcast
3:53 PM 37.0 °F 31.6 °F 17.1 °F 44% 29.97 in 10.0 mi West 6.9 mph - N/A   Overcast
4:53 PM 35.1 °F 27.9 °F 18.0 °F 50% 29.98 in 10.0 mi SW 9.2 mph - N/A   Overcast
5:53 PM 33.8 °F 29.6 °F 17.6 °F 52% 29.85 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
6:53 PM 34.0 °F 25.5 °F 16.0 °F 48% 30.01 in 10.0 mi West 11.5 mph - N/A   Clear
7:53 PM 33.1 °F 28.7 °F 16.0 °F 50% 30.01 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:53 PM 32.0 °F 28.7 °F 16.0 °F 52% 30.00 in 10.0 mi West 3.5 mph - N/A   Clear
9:53 PM 32.0 °F 23.6 °F 17.1 °F 54% 30.02 in 10.0 mi WSW 10.4 mph - N/A   Partly Cloudy
10:53 PM 30.9 °F 24.3 °F 16.0 °F 54% 30.01 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
11:53 PM 30.0 °F 21.1 °F 17.1 °F 59% 29.99 in 10.0 mi WSW 10.4 mph - N/A   Clear