Helena, MT

9:54 AM MDT on April 23, 2017 (GMT -0600)
Helena Regional

Weather History for KHLN - September, 2014

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Wednesday, September 10, 2014

  Actual Average Record
Temperature  
Mean Temperature 45 °F 60 °F  
Max Temperature 52 °F 75 °F 91 °F (1966)
Min Temperature 37 °F 45 °F 30 °F (1921)
Degree Days  
Heating Degree Days 20 6  
Month to date heating degree days 71 47  
Since 1 July heating degree days 118 116  
Cooling Degree Days 0 1  
Month to date cooling degree days 1 15  
Year to date cooling degree days 449 398  
Moisture  
Dew Point 35 °F    
Average Humidity 74    
Maximum Humidity 92    
Minimum Humidity 56    
Precipitation  
Precipitation 0.15 in 0.04 in 0.84 in (1988)
Month to date precipitation 0.17 0.41  
Year to date precipitation 9.03 8.96  
Snow  
Snow 0.00 in 0.00 in 0.70 in (1949)
Month to date snowfall 0.0 0.3  
Since 1 July snowfall 0.0 0.6  
Since 1 September snowfall 0.0 0.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.26 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 26 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. 10, 2014 Rise Set
Actual Time 6:59 AM MDT 7:49 PM MDT
Civil Twilight 6:28 AM MDT 8:19 PM MDT
Nautical Twilight 5:52 AM MDT 8:56 PM MDT
Astronomical Twilight 5:13 AM MDT 9:34 PM MDT
Moon 8:39 PM MDT (9/10) 9:00 AM MDT (9/10)
Length of Visible Light 13h 51m
Length of Day
12h 49m
Waning Gibbous, 96% of the Moon is Illuminated
Sep 10
Waning Gibbous
Sep 15
Last Quarter
Sep 24
New
Oct 1
First Quarter
Oct 8
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 41.0 °F 35.8 °F 33.1 °F 73% 30.22 in 10.0 mi NW 8.1 mph - N/A   Overcast
1:53 AM 39.9 °F 35.1 °F 33.1 °F 77% 30.21 in 10.0 mi WNW 6.9 mph - N/A   Overcast
2:53 AM 39.0 °F 34.8 °F 35.1 °F 86% 30.21 in 7.0 mi West 5.8 mph - 0.01 in Rain Light Rain
3:07 AM 37.4 °F 33.8 °F 33.8 °F 87% 30.15 in 6.0 mi West 4.6 mph - 0.02 in Rain Light Rain
3:53 AM 39.2 °F 35.0 °F 35.6 °F 87% 30.14 in 10.0 mi West 5.8 mph - N/A   Overcast
4:08 AM 39.2 °F 35.0 °F 35.6 °F 87% 30.14 in 10.0 mi West 5.8 mph - N/A   Overcast
4:50 AM 39.2 °F 35.0 °F 35.6 °F 87% 30.13 in 10.0 mi West 5.8 mph - N/A   Overcast
4:53 AM 37.9 °F 32.7 °F 35.1 °F 89% 30.20 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
5:53 AM 39.0 °F 36.8 °F 35.1 °F 86% 30.21 in 10.0 mi WNW 3.5 mph - N/A   Overcast
6:53 AM 39.0 °F 36.8 °F 34.0 °F 82% 30.19 in 10.0 mi SSW 3.5 mph - N/A   Overcast
7:04 AM 39.2 °F 37.0 °F 33.8 °F 81% 30.13 in 10.0 mi WNW 3.5 mph - N/A   Overcast
7:53 AM 39.9 °F - 34.0 °F 79% 30.21 in 10.0 mi Calm Calm - N/A   Overcast
8:19 AM 39.2 °F 37.0 °F 35.6 °F 87% 30.13 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
8:53 AM 41.0 °F 37.1 °F 36.0 °F 82% 30.22 in 10.0 mi NW 5.8 mph - N/A   Overcast
9:53 AM 42.1 °F 40.2 °F 36.0 °F 79% 30.22 in 10.0 mi NW 3.5 mph - N/A   Overcast
10:00 AM 42.8 °F 40.1 °F 35.6 °F 76% 30.14 in 10.0 mi NW 4.6 mph - N/A   Overcast
10:53 AM 45.0 °F 42.6 °F 35.1 °F 68% 30.22 in 10.0 mi NW 4.6 mph - N/A   Overcast
11:25 AM 46.4 °F - 35.6 °F 66% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM 46.0 °F 44.8 °F 35.1 °F 66% 30.21 in 10.0 mi Variable 3.5 mph - N/A   Overcast
12:53 PM 48.0 °F - 36.0 °F 63% 30.20 in 10.0 mi Calm Calm - 0.00 in   Overcast
1:18 PM 51.8 °F - 37.4 °F 58% 30.13 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
1:53 PM 50.0 °F - 36.0 °F 59% 30.20 in 10.0 mi North 8.1 mph - N/A   Overcast
2:53 PM 46.0 °F 41.9 °F 39.0 °F 76% 30.22 in 5.0 mi North 8.1 mph - 0.01 in Rain Light Rain
3:53 PM 48.0 °F - 37.9 °F 68% 30.22 in 10.0 mi North 10.4 mph - 0.01 in   Mostly Cloudy
4:00 PM 46.4 °F 41.1 °F 37.4 °F 71% 30.15 in 10.0 mi North 11.5 mph 17.3 mph 0.00 in Rain Light Rain
4:53 PM 42.1 °F 34.9 °F 37.0 °F 82% 30.32 in 7.0 mi NNW 13.8 mph 20.7 mph 0.09 in Rain Light Rain
5:53 PM 41.0 °F 33.5 °F 35.1 °F 79% 30.36 in 10.0 mi NW 13.8 mph - 0.01 in   Overcast
6:53 PM 39.9 °F 32.5 °F 34.0 °F 79% 30.40 in 10.0 mi NW 12.7 mph - 0.00 in Rain Light Rain
7:30 PM 39.2 °F 31.6 °F 33.8 °F 81% 30.31 in 10.0 mi NW 12.7 mph - 0.00 in   Overcast
7:40 PM 39.2 °F 31.6 °F 33.8 °F 81% 30.32 in 10.0 mi WNW 12.7 mph - 0.00 in   Overcast
7:49 PM 39.2 °F 33.6 °F 33.8 °F 81% 30.32 in 10.0 mi WNW 8.1 mph - 0.00 in   Overcast
7:53 PM 39.9 °F 33.9 °F 33.1 °F 77% 30.43 in 10.0 mi NW 9.2 mph - 0.00 in   Overcast
8:02 PM 39.2 °F 31.6 °F 33.8 °F 81% 30.32 in 10.0 mi NW 12.7 mph - N/A   Overcast
8:14 PM 39.2 °F 33.0 °F 33.8 °F 81% 30.33 in 10.0 mi WNW 9.2 mph - N/A   Overcast
8:32 PM 39.2 °F 32.0 °F 33.8 °F 81% 30.34 in 10.0 mi NW 11.5 mph - N/A   Overcast
8:53 PM 39.0 °F 31.0 °F 33.1 °F 79% 30.45 in 10.0 mi NW 13.8 mph - N/A   Overcast
9:53 PM 37.9 °F 30.0 °F 32.0 °F 79% 30.47 in 10.0 mi NW 12.7 mph - N/A   Overcast
10:53 PM 37.9 °F 31.5 °F 32.0 °F 79% 30.47 in 10.0 mi NW 9.2 mph - N/A   Overcast
11:32 PM 37.4 °F 31.4 °F 30.2 °F 75% 30.39 in 10.0 mi WNW 8.1 mph - N/A   Overcast
11:53 PM 37.0 °F 29.8 °F 30.9 °F 79% 30.48 in 10.0 mi NW 10.4 mph - N/A   Overcast