Weather History for Helena, MT

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Monday, August 26, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F 66 °F  
Max Temperature 85 °F 82 °F 97 °F (2010)
Min Temperature 57 °F 50 °F 35 °F (1992)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 3 26  
Since 1 June heating degree days 149 189  
Since 1 July heating degree days 3 53  
Cooling Degree Days 6 3  
Month to date cooling degree days 169 133  
Year to date cooling degree days 477 371  
Since 1 June cooling degree days 470 363  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 43    
Maximum Humidity 62    
Minimum Humidity 23    
Precipitation  
Precipitation 0.05 in 0.04 in 0.34 in (1954)
Month to date precipitation 1.65 1.00  
Year to date precipitation 8.06 8.35  
Snow  
Snow 0.00 in 0.00 in T in (1989)
Month to date snowfall 0.0 0.2  
Since 1 June snowfall 0.0 0.2  
Since 1 July snowfall 0.0 0.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 7 mph (South)    
Max Wind Speed 24 mph    
Max Gust Speed 33 mph    
Visibility 10 miles    
Events Rain    
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

Aug. 26, 2013 Rise Set
Actual Time 6:40 AM MDT 8:17 PM MDT
Civil Twilight 6:08 AM MDT 8:49 PM MDT
Nautical Twilight 5:30 AM MDT 9:28 PM MDT
Astronomical Twilight 4:47 AM MDT 10:09 PM MDT
Moon 11:05 PM MDT (8/26) 1:10 PM MDT (8/26)
Length of Visible Light 14h 40m
Length of Day
13h 37m
Waning Gibbous, 66% of the Moon is Illuminated
Aug 26
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

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 46.0 °F 48% 29.94 in 10.0 mi SW 4.6 mph - N/A   Clear
1:53 AM 64.0 °F 44.1 °F 48% 29.93 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
2:53 AM 64.9 °F 45.0 °F 48% 29.94 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
3:53 AM 63.0 °F 46.0 °F 54% 29.93 in 10.0 mi ESE 3.5 mph - N/A   Clear
4:53 AM 57.0 °F 44.1 °F 62% 29.94 in 10.0 mi ENE 4.6 mph - N/A   Clear
5:53 AM 60.1 °F 46.9 °F 62% 29.99 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
6:53 AM 59.0 °F 46.0 °F 62% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM 60.1 °F 46.9 °F 62% 30.03 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 64.0 °F 48.0 °F 56% 30.03 in 10.0 mi North 5.8 mph - N/A   Clear
9:53 AM 68.0 °F 46.9 °F 47% 30.02 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 73.0 °F 46.0 °F 38% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:53 AM 79.0 °F 46.9 °F 32% 29.96 in 10.0 mi NE 6.9 mph - N/A   Clear
12:53 PM 82.9 °F 45.0 °F 26% 29.92 in 10.0 mi Variable 4.6 mph - N/A   Clear
1:53 PM 84.0 °F 46.0 °F 26% 29.91 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
2:53 PM 75.0 °F 46.9 °F 37% 29.92 in 10.0 mi SE 11.5 mph 33.4 mph 0.05 in Rain Light Rain
3:53 PM 73.9 °F 53.1 °F 48% 29.94 in 10.0 mi South 17.3 mph 25.3 mph 0.00 in   Mostly Cloudy
4:53 PM 82.9 °F 46.0 °F 27% 29.87 in 10.0 mi SSE 11.5 mph - N/A   Clear
5:53 PM 84.9 °F 43.0 °F 23% 29.86 in 10.0 mi SSE 13.8 mph 20.7 mph N/A   Partly Cloudy
6:53 PM 84.0 °F 42.1 °F 23% 29.87 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
7:53 PM 80.1 °F 43.0 °F 27% 29.88 in 10.0 mi SSE 11.5 mph 23.0 mph N/A   Mostly Cloudy
8:53 PM 75.9 °F 46.0 °F 35% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 PM 73.9 °F 46.9 °F 38% 29.93 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
10:53 PM 72.0 °F 46.9 °F 41% 29.93 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
11:53 PM 68.0 °F 48.0 °F 49% 29.95 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy