Helena, MT

9:04 AM MDT on September 20, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - October, 2012

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Tuesday, October 2, 2012

  Actual Average Record
Temperature  
Mean Temperature 59 °F 51 °F  
Max Temperature 75 °F 65 °F 85 °F (1992)
Min Temperature 42 °F 37 °F 19 °F (1950)
Degree Days  
Heating Degree Days 6 14  
Month to date heating degree days 11 27  
Since 1 July heating degree days 135 333  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 531 406  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 31 °F    
Average Humidity 45    
Maximum Humidity 76    
Minimum Humidity 14    
Precipitation  
Precipitation 0.00 in 0.03 in 1.04 in (1908)
Month to date precipitation 0.00 0.06  
Year to date precipitation 6.47 9.71  
Snow  
Snow 0.00 in 0.00 in 3.70 in (1916)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 0.0 1.7  
Since 1 September snowfall 0.0 1.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 12 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 33 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

Oct. 02, 2012 Rise Set
Actual Time 7:28 AM MDT 7:04 PM MDT
Civil Twilight 6:58 AM MDT 7:34 PM MDT
Nautical Twilight 6:23 AM MDT 8:09 PM MDT
Astronomical Twilight 5:47 AM MDT 8:45 PM MDT
Moon 8:06 PM MDT (10/2) 10:11 AM MDT (10/2)
Length of Visible Light 12h 36m
Length of Day
11h 36m
Waning Gibbous, 94% of the Moon is Illuminated
Oct 2
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

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 57.0 °F - 30.0 °F 36% 29.87 in - West 3.5 mph - N/A   Clear
1:53 AM 64.0 °F - 30.0 °F 28% 29.85 in - West 13.8 mph - N/A   Clear
2:53 AM 64.0 °F - 30.9 °F 29% 29.84 in - WNW 11.5 mph - N/A   Clear
3:53 AM 63.0 °F - 30.9 °F 30% 29.83 in - West 10.4 mph 24.2 mph N/A   Clear
4:53 AM 61.0 °F - 30.0 °F 31% 29.84 in - NW 9.2 mph - N/A   Clear
5:53 AM 60.1 °F - 30.0 °F 32% 29.83 in 10.0 mi WNW 8.1 mph - N/A   Clear
6:53 AM 59.0 °F - 30.9 °F 35% 29.85 in 10.0 mi West 8.1 mph - N/A   Clear
7:53 AM 59.0 °F - 32.0 °F 36% 29.86 in 10.0 mi WSW 4.6 mph - N/A   Partly Cloudy
8:53 AM 60.1 °F - 33.1 °F 36% 29.86 in 10.0 mi West 9.2 mph - N/A   Clear
9:53 AM 62.1 °F - 34.0 °F 35% 29.86 in 10.0 mi NE 4.6 mph - N/A   Clear
10:53 AM 69.1 °F - 35.1 °F 29% 29.84 in 10.0 mi WSW 15.0 mph 20.7 mph N/A   Clear
11:53 AM 71.1 °F - 34.0 °F 26% 29.82 in 10.0 mi West 18.4 mph - N/A   Clear
12:53 PM 72.0 °F - 30.9 °F 22% 29.80 in 10.0 mi West 21.9 mph 29.9 mph N/A   Clear
1:53 PM 73.9 °F - 30.0 °F 20% 29.76 in 10.0 mi West 20.7 mph 32.2 mph N/A   Clear
2:53 PM 73.9 °F - 27.0 °F 18% 29.74 in 10.0 mi West 17.3 mph 26.5 mph N/A   Clear
3:53 PM 73.9 °F - 23.0 °F 15% 29.73 in 10.0 mi WSW 12.7 mph 20.7 mph N/A   Clear
4:53 PM 73.0 °F - 21.9 °F 15% 29.74 in 10.0 mi West 10.4 mph 21.9 mph N/A   Clear
5:53 PM 70.0 °F - 19.9 °F 15% 29.75 in 10.0 mi WNW 17.3 mph - N/A   Clear
6:53 PM 64.0 °F - 24.1 °F 22% 29.79 in 10.0 mi NNW 9.2 mph - N/A   Clear
7:53 PM 59.0 °F - 24.1 °F 26% 29.83 in 10.0 mi NNW 5.8 mph - N/A   Clear
8:53 PM 52.0 °F - 37.0 °F 57% 29.90 in 10.0 mi North 17.3 mph 24.2 mph N/A   Clear
9:53 PM 48.9 °F - 37.9 °F 66% 29.94 in 10.0 mi North 9.2 mph 18.4 mph N/A   Clear
10:53 PM 46.9 °F - 37.9 °F 71% 29.94 in 10.0 mi North 9.2 mph - N/A   Clear
11:53 PM 45.0 °F 38.9 °F 37.9 °F 76% 29.96 in 10.0 mi North 12.7 mph 21.9 mph N/A   Overcast