Weather History for Helena, MT

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Saturday, March 22, 2014

  Actual Average Record
Temperature  
Mean Temperature 25 °F 38 °F  
Max Temperature 36 °F 50 °F 69 °F (1993)
Min Temperature 13 °F 26 °F -16 °F (1898)
Degree Days  
Heating Degree Days 40 27  
Month to date heating degree days 676 664  
Since 1 July heating degree days 6192 6225  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 62    
Maximum Humidity 84    
Minimum Humidity 40    
Precipitation  
Precipitation 0.01 in 0.02 in 0.70 in (1920)
Month to date precipitation 0.65 0.38  
Year to date precipitation 3.18 1.04  
Snow  
Snow T in 0.10 in 3.00 in (1901)
Month to date snowfall 3.6 4.4  
Since 1 July snowfall 41.6 31.7  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 30.42 in    
Wind  
Wind Speed 5 mph (West)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 8 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Mar. 22, 2014 Rise Set
Actual Time 7:26 AM MDT 7:43 PM MDT
Civil Twilight 6:56 AM MDT 8:13 PM MDT
Nautical Twilight 6:21 AM MDT 8:49 PM MDT
Astronomical Twilight 5:44 AM MDT 9:26 PM MDT
Moon 1:23 AM MDT (3/22) 10:56 AM MDT (3/22)
Length of Visible Light 13h 17m
Length of Day
12h 16m
Waning Gibbous, 65% of the Moon is Illuminated
Mar 22
Waning Gibbous
Mar 23
Last Quarter
Mar 30
New
Apr 7
First Quarter
Apr 15
Full

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:11 AM 19.4 °F 9.5 °F 10.4 °F 68% 30.30 in 9.0 mi NW 8.1 mph - N/A   Overcast
12:46 AM 17.6 °F 6.4 °F 10.4 °F 73% 30.29 in 6.0 mi WNW 9.2 mph - N/A   Haze
12:53 AM 18.0 °F 6.9 °F 10.9 °F 74% 30.49 in 6.0 mi WNW 9.2 mph - N/A   Haze
1:11 AM 17.6 °F 7.3 °F 10.4 °F 73% 30.29 in 5.0 mi West 8.1 mph - N/A   Haze
1:25 AM 17.6 °F 7.3 °F 12.2 °F 79% 30.29 in 5.0 mi West 8.1 mph - 0.00 in   Haze
1:53 AM 18.0 °F 6.1 °F 12.0 °F 78% 30.48 in 9.0 mi West 10.4 mph - 0.00 in   Overcast
2:53 AM 17.1 °F 6.6 °F 10.9 °F 77% 30.49 in 4.0 mi NW 8.1 mph - 0.00 in   Haze
3:35 AM 15.8 °F 4.2 °F 10.4 °F 79% 30.30 in 2.5 mi WNW 9.2 mph - 0.00 in Snow Light Snow
3:53 AM 16.0 °F 7.4 °F 10.9 °F 81% 30.50 in 2.5 mi WNW 5.8 mph - 0.01 in Snow Light Snow
4:15 AM 15.8 °F 6.1 °F 10.4 °F 79% 30.30 in 4.0 mi West 6.9 mph - 0.00 in Snow Light Snow
4:53 AM 16.0 °F 6.3 °F 10.0 °F 77% 30.50 in 5.0 mi WNW 6.9 mph - 0.00 in   Haze
5:13 AM 15.8 °F 6.1 °F 8.6 °F 73% 30.31 in 5.0 mi WNW 6.9 mph - N/A   Haze
5:53 AM 12.9 °F 2.6 °F 9.0 °F 84% 30.54 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
6:51 AM 14.0 °F 5.1 °F 8.6 °F 79% 30.34 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
6:53 AM 14.0 °F 5.1 °F 7.0 °F 74% 30.56 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
7:53 AM 12.9 °F 2.6 °F 7.0 °F 77% 30.59 in 10.0 mi WSW 6.9 mph - N/A   Clear
8:53 AM 16.0 °F 5.3 °F 6.1 °F 65% 30.58 in 10.0 mi West 8.1 mph - N/A   Clear
9:53 AM 18.0 °F - 6.1 °F 60% 30.58 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 21.0 °F - 6.1 °F 53% 30.57 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 21.9 °F - 8.1 °F 55% 30.55 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 25.0 °F 20.7 °F 10.0 °F 53% 30.52 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 28.0 °F 20.8 °F 10.9 °F 49% 30.49 in 10.0 mi East 6.9 mph - N/A   Clear
2:53 PM 30.9 °F 25.2 °F 12.9 °F 47% 30.44 in 10.0 mi Variable 5.8 mph - N/A   Clear
3:53 PM 34.0 °F - 12.9 °F 42% 30.40 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 35.1 °F 29.3 °F 14.0 °F 42% 30.38 in 10.0 mi East 6.9 mph - N/A   Clear
5:53 PM 35.1 °F 27.4 °F 14.0 °F 42% 30.36 in 10.0 mi East 10.4 mph - N/A   Clear
6:53 PM 34.0 °F 25.5 °F 15.1 °F 46% 30.34 in 10.0 mi East 11.5 mph - N/A   Partly Cloudy
7:53 PM 33.1 °F 26.9 °F 17.1 °F 52% 30.34 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
8:53 PM 32.0 °F - 17.1 °F 54% 30.32 in 10.0 mi Calm Calm - N/A   Overcast
9:53 PM 28.9 °F 22.8 °F 17.1 °F 61% 30.31 in 10.0 mi West 5.8 mph - N/A   Overcast
10:53 PM 30.0 °F - 17.1 °F 59% 30.29 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 28.0 °F 24.2 °F 17.1 °F 63% 30.28 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy