Helena, MT

6:07 PM MST on December 07, 2016 (GMT -0700)
Helena Regional

Weather History for KHLN - September, 2013

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Wednesday, September 25, 2013

  Actual Average Record
Temperature  
Mean Temperature 46 °F 54 °F  
Max Temperature 51 °F 68 °F 95 °F (2001)
Min Temperature 40 °F 40 °F 17 °F (1926)
Degree Days  
Heating Degree Days 19 11  
Month to date heating degree days 90 177  
Since 1 July heating degree days 93 246  
Cooling Degree Days 0 0  
Month to date cooling degree days 80 22  
Year to date cooling degree days 589 405  
Moisture  
Dew Point 39 °F    
Average Humidity 85    
Maximum Humidity 93    
Minimum Humidity 76    
Precipitation  
Precipitation 0.32 in 0.04 in 0.52 in (1981)
Month to date precipitation 1.33 0.95  
Year to date precipitation 9.45 9.50  
Snow  
Snow 0.00 in 0.10 in 0.30 in (1908)
Month to date snowfall 0.0 1.0  
Since 1 July snowfall 0.0 1.3  
Since 1 September snowfall 0.0 1.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 21 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events Rain    
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

Sep. 25, 2013 Rise Set
Actual Time 7:19 AM MDT 7:18 PM MDT
Civil Twilight 6:49 AM MDT 7:49 PM MDT
Nautical Twilight 6:13 AM MDT 8:24 PM MDT
Astronomical Twilight 5:37 AM MDT 9:00 PM MDT
Moon 11:09 PM MDT (9/25) 1:46 PM MDT (9/25)
Length of Visible Light 13h 00m
Length of Day
11h 59m
Waning Gibbous, 63% of the Moon is Illuminated
Sep 25
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
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 43.0 °F - 39.9 °F 89% 29.81 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 42.1 °F 39.2 °F 39.0 °F 89% 29.81 in 10.0 mi SW 4.6 mph - N/A   Clear
2:53 AM 43.0 °F 41.3 °F 39.0 °F 86% 29.81 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
3:53 AM 41.0 °F 39.0 °F 39.0 °F 93% 29.82 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
4:53 AM 42.1 °F 39.2 °F 39.0 °F 89% 29.79 in 10.0 mi West 4.6 mph - N/A   Overcast
5:53 AM 39.9 °F 35.8 °F 37.0 °F 89% 29.78 in 10.0 mi WSW 5.8 mph - N/A   Clear
6:53 AM 42.1 °F - 37.9 °F 85% 29.78 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 41.0 °F - 37.9 °F 89% 29.78 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 45.0 °F - 39.9 °F 82% 29.77 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 46.0 °F - 39.9 °F 79% 29.77 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 48.0 °F - 41.0 °F 77% 29.75 in 10.0 mi WNW 4.6 mph - N/A   Overcast
11:53 AM 48.9 °F - 41.0 °F 74% 29.75 in 10.0 mi WNW 3.5 mph - N/A   Overcast
12:53 PM 48.0 °F - 42.1 °F 80% 29.75 in 6.0 mi West 4.6 mph - 0.00 in Rain Light Rain
1:53 PM 48.9 °F - 42.1 °F 77% 29.75 in 10.0 mi NNW 5.8 mph - 0.03 in Rain Light Rain
2:53 PM 51.1 °F - 42.1 °F 71% 29.71 in 10.0 mi NNW 13.8 mph - 0.01 in   Mostly Cloudy
3:53 PM 48.0 °F - 39.9 °F 74% 29.75 in 10.0 mi NNW 16.1 mph - 0.00 in Rain Light Rain
4:53 PM 48.0 °F - 39.9 °F 74% 29.76 in 10.0 mi North 11.5 mph - 0.00 in   Overcast
5:53 PM 46.9 °F - 39.0 °F 74% 29.78 in 10.0 mi North 13.8 mph 20.7 mph N/A   Overcast
6:53 PM 46.0 °F 39.9 °F 39.0 °F 76% 29.79 in 10.0 mi North 13.8 mph 24.2 mph 0.01 in   Overcast
7:53 PM 45.0 °F 38.9 °F 37.9 °F 76% 29.80 in 10.0 mi NNW 12.7 mph - 0.00 in Rain Light Rain
8:53 PM 44.1 °F 37.1 °F 37.9 °F 79% 29.80 in 10.0 mi NNW 15.0 mph - 0.01 in Rain Light Rain
9:53 PM 45.0 °F 38.2 °F 37.9 °F 76% 29.81 in 10.0 mi NNW 15.0 mph - 0.01 in   Overcast
10:53 PM 44.1 °F 37.4 °F 37.9 °F 79% 29.81 in 10.0 mi NNW 13.8 mph - 0.03 in Rain Light Rain
11:08 PM 42.8 °F 35.4 °F 37.4 °F 81% 29.77 in 10.0 mi NNW 15.0 mph - 0.02 in Rain Light Rain
11:53 PM 42.1 °F 34.9 °F 36.0 °F 79% 29.85 in 8.0 mi NNW 13.8 mph 20.7 mph 0.06 in Rain Light Rain