Weather History for Helena, MT

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Sunday, July 7, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F 68 °F  
Max Temperature 89 °F 84 °F 98 °F (1989)
Min Temperature 56 °F 53 °F 36 °F (1952)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 12  
Since 1 June heating degree days 146 148  
Since 1 July heating degree days 0 12  
Cooling Degree Days 8 5  
Month to date cooling degree days 75 30  
Year to date cooling degree days 124 87  
Since 1 June cooling degree days 117 79  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 48    
Maximum Humidity 77    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.04 in 0.70 in (1969)
Month to date precipitation T 0.30  
Year to date precipitation 5.53 6.46  
Snow  
Snow 0.00 in 0.00 in 0.00 in (1999)
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 T  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Jul. 07, 2013 Rise Set
Actual Time 5:42 AM MDT 9:22 PM MDT
Civil Twilight 5:04 AM MDT 10:01 PM MDT
Nautical Twilight 4:12 AM MDT 10:52 PM MDT
Astronomical Twilight 3:01 AM MDT 12:02 AM MDT
Moon 5:26 AM MDT (7/7) 8:43 PM MDT (7/7)
Length of Visible Light 16h 56m
Length of Day
15h 39m
Waning Crescent, 0% of the Moon is Illuminated
Jul 7
Waning Crescent
Jul 8
New
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 66.0 °F 45.0 °F 47% 29.88 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
1:53 AM 64.9 °F 45.0 °F 48% 29.87 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
2:05 AM 64.4 °F 44.6 °F 49% 29.93 in 10.0 mi West 8.1 mph - N/A Thunderstorm Scattered Clouds
2:20 AM 64.4 °F 46.4 °F 52% 29.93 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
2:53 AM 64.0 °F 46.0 °F 52% 29.89 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
3:53 AM 61.0 °F 46.9 °F 60% 29.89 in 10.0 mi WNW 5.8 mph - N/A   Clear
4:53 AM 57.9 °F 46.9 °F 67% 29.91 in 10.0 mi WNW 5.8 mph - N/A   Clear
5:53 AM 55.9 °F 48.0 °F 75% 29.93 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
6:53 AM 57.9 °F 48.9 °F 72% 29.94 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
7:53 AM 61.0 °F 48.9 °F 64% 29.95 in 10.0 mi NNW 8.1 mph - N/A   Clear
8:53 AM 63.0 °F 50.0 °F 63% 29.96 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 66.0 °F 50.0 °F 56% 29.94 in 10.0 mi North 4.6 mph - N/A   Clear
10:53 AM 69.1 °F 51.1 °F 53% 29.93 in 10.0 mi Variable 5.8 mph - N/A   Clear
11:53 AM 72.0 °F 52.0 °F 49% 29.91 in 10.0 mi NNE 4.6 mph - N/A   Clear
12:53 PM 75.0 °F 50.0 °F 41% 29.88 in 10.0 mi NNE 6.9 mph - N/A   Clear
1:53 PM 80.1 °F 50.0 °F 35% 29.84 in 10.0 mi ENE 5.8 mph - N/A   Clear
2:53 PM 84.0 °F 48.0 °F 28% 29.81 in 10.0 mi Calm Calm - N/A   Clear
3:53 PM 88.0 °F 44.1 °F 22% 29.78 in 10.0 mi Variable 3.5 mph - N/A   Clear
4:53 PM 88.0 °F 43.0 °F 21% 29.78 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
5:53 PM 88.0 °F 42.1 °F 20% 29.77 in 10.0 mi NE 8.1 mph - N/A   Partly Cloudy
6:53 PM 86.0 °F 39.9 °F 20% 29.77 in 10.0 mi NE 8.1 mph - N/A   Partly Cloudy
7:53 PM 82.9 °F 45.0 °F 26% 29.78 in 10.0 mi ENE 9.2 mph - N/A   Overcast
8:53 PM 78.1 °F 46.9 °F 33% 29.81 in 10.0 mi ENE 13.8 mph - N/A   Mostly Cloudy
9:53 PM 72.0 °F 48.9 °F 44% 29.86 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 69.1 °F 48.9 °F 49% 29.88 in 10.0 mi West 5.8 mph - N/A   Clear
11:53 PM 70.0 °F 48.0 °F 46% 29.88 in 10.0 mi WSW 8.1 mph - N/A   Clear