Helena, MT

6:26 PM MDT on March 25, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - October, 2011

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Thursday, October 27, 2011

  Actual Average Record
Temperature  
Mean Temperature 41 °F 41 °F  
Max Temperature 49 °F 54 °F 76 °F (2001)
Min Temperature 32 °F 29 °F 3 °F (1919)
Degree Days  
Heating Degree Days 24 24  
Month to date heating degree days 419 502  
Since 1 July heating degree days 549 808  
Cooling Degree Days 0 0  
Month to date cooling degree days 1 0  
Year to date cooling degree days 358 406  
Moisture  
Dew Point 17 °F    
Average Humidity 46    
Maximum Humidity 51    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.02 in 0.31 in (1917)
Month to date precipitation 0.55 0.62  
Year to date precipitation 12.44 10.27  
Snow  
Snow 0.00 in 0.10 in 8.30 in (1925)
Month to date snowfall 0.0 2.0  
Since 1 July snowfall 0.0 3.6  
Since 1 September snowfall 0.0 3.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 25 mph    
Max Gust Speed 32 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. 27, 2011 Rise Set
Actual Time 8:02 AM MDT 6:20 PM MDT
Civil Twilight 7:31 AM MDT 6:51 PM MDT
Nautical Twilight 6:55 AM MDT 7:27 PM MDT
Astronomical Twilight 6:20 AM MDT 8:02 PM MDT
Moon 9:17 AM MDT (10/27) 6:44 PM MDT (10/27)
Length of Visible Light 11h 20m
Length of Day
10h 18m
New Moon, 1% of the Moon is Illuminated
Oct 27
New Moon
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter
Nov 24
New

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 37.9 °F 34.4 °F 12.0 °F 35% 30.13 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
1:53 AM 35.6 °F 30.7 °F 12.2 °F 38% 30.04 in 10.0 mi WSW 5.8 mph - N/A   Clear
2:53 AM 37.9 °F 34.4 °F 12.0 °F 35% 30.12 in 10.0 mi WSW 4.6 mph - N/A   Overcast
3:53 AM 37.9 °F 32.1 °F 12.0 °F 35% 30.11 in 10.0 mi West 8.1 mph - N/A   Overcast
4:53 AM 37.0 °F - 12.9 °F 37% 30.13 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 37.0 °F 32.4 °F 14.0 °F 39% 30.14 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
6:53 AM 37.0 °F 34.5 °F 16.0 °F 42% 30.17 in 10.0 mi West 3.5 mph - N/A   Mostly Cloudy
7:53 AM 37.9 °F 35.5 °F 16.0 °F 41% 30.16 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:53 AM 37.9 °F 35.5 °F 18.0 °F 45% 30.18 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
9:53 AM 42.1 °F - 19.9 °F 41% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM 43.0 °F 36.8 °F 21.9 °F 43% 30.19 in 10.0 mi WNW 11.5 mph - N/A   Overcast
11:53 AM 48.0 °F - 19.9 °F 33% 30.19 in 10.0 mi West 15.0 mph 25.3 mph N/A   Overcast
12:53 PM 46.9 °F - 17.1 °F 30% 30.19 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Mostly Cloudy
1:53 PM 46.0 °F 39.0 °F 18.0 °F 33% 30.19 in 10.0 mi WNW 17.3 mph 23.0 mph N/A   Mostly Cloudy
2:53 PM 46.9 °F - 18.0 °F 32% 30.17 in 10.0 mi WNW 18.4 mph 26.5 mph N/A   Scattered Clouds
3:53 PM 48.0 °F - 17.1 °F 29% 30.17 in 10.0 mi West 20.7 mph 28.8 mph N/A   Clear
4:53 PM 46.9 °F - 18.0 °F 32% 30.19 in 10.0 mi NW 13.8 mph - N/A   Clear
5:53 PM 44.1 °F 38.6 °F 17.1 °F 34% 30.21 in 10.0 mi WNW 10.4 mph - N/A   Clear
6:53 PM 39.9 °F 32.9 °F 18.0 °F 41% 30.24 in 10.0 mi WNW 11.5 mph - N/A   Clear
7:53 PM 39.9 °F 36.7 °F 18.0 °F 41% 30.26 in 10.0 mi SW 4.6 mph - N/A   Clear
8:53 PM 37.9 °F 34.4 °F 18.0 °F 45% 30.27 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:53 PM 35.1 °F 29.3 °F 18.0 °F 50% 30.28 in 10.0 mi WSW 6.9 mph - N/A   Clear
10:53 PM 36.0 °F 29.6 °F 18.0 °F 48% 30.29 in 10.0 mi West 8.1 mph - N/A   Clear
11:53 PM 33.1 °F 27.7 °F 18.0 °F 54% 30.30 in 10.0 mi SW 5.8 mph - N/A   Clear