Weather History for Helena, MT

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Sunday, March 3, 2013

  Actual Average Record
Temperature  
Mean Temperature 33 °F 32 °F  
Max Temperature 43 °F 44 °F 68 °F (1921)
Min Temperature 23 °F 20 °F -20 °F (1976)
Degree Days  
Heating Degree Days 32 33  
Month to date heating degree days 74 100  
Since 1 July heating degree days 5193 5661  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 21 °F    
Average Humidity 51    
Maximum Humidity 76    
Minimum Humidity 25    
Precipitation  
Precipitation 0.02 in 0.01 in 0.70 in (1939)
Month to date precipitation 0.02 0.04  
Year to date precipitation 0.69 0.70  
Snow  
Snow 0.00 in 0.20 in 5.00 in (1903)
Month to date snowfall 0.0 0.6  
Since 1 July snowfall 35.7 27.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 15 mph (WNW)    
Max Wind Speed 40 mph    
Max Gust Speed 54 mph    
Visibility 8 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Mar. 03, 2013 Rise Set
Actual Time 7:03 AM MST 6:17 PM MST
Civil Twilight 6:32 AM MST 6:47 PM MST
Nautical Twilight 5:57 AM MST 7:22 PM MST
Astronomical Twilight 5:22 AM MST 7:57 PM MST
Moon 12:22 AM MST (3/3) 9:57 AM MST (3/3)
Length of Visible Light 12h 14m
Length of Day
11h 14m
Waning Gibbous, 63% of the Moon is Illuminated
Mar 3
Waning Gibbous
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter
Mar 27
Full

Hourly Weather History & Observations

Time (MST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 37.0 °F - 28.0 °F 70% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 37.9 °F 34.4 °F 28.0 °F 68% 29.89 in 10.0 mi WNW 4.6 mph - N/A   Overcast
2:53 AM 43.0 °F 37.7 °F 32.0 °F 65% 29.84 in 10.0 mi WSW 9.2 mph - N/A   Overcast
3:53 AM 41.0 °F 35.2 °F 33.1 °F 73% 29.82 in 10.0 mi WSW 9.2 mph - 0.00 in   Overcast
4:53 AM 41.0 °F 35.8 °F 32.0 °F 70% 29.77 in 10.0 mi West 8.1 mph - N/A   Overcast
5:53 AM 41.0 °F 36.4 °F 30.9 °F 67% 29.79 in 10.0 mi WSW 6.9 mph - N/A   Overcast
6:53 AM 37.9 °F - 30.0 °F 73% 29.79 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 39.0 °F - 30.9 °F 73% 29.76 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 43.0 °F 37.2 °F 28.9 °F 58% 29.74 in 10.0 mi WSW 10.4 mph - N/A   Overcast
9:28 AM 35.6 °F 22.5 °F 28.4 °F 75% 29.70 in 1.5 mi WNW 29.9 mph 39.1 mph 0.00 in Snow Light Snow
9:30 AM 33.8 °F 21.0 °F 28.4 °F 81% 29.71 in 1.0 mi WNW 25.3 mph 39.1 mph 0.00 in Snow Light Snow
9:37 AM 33.8 °F 23.2 °F 28.4 °F 81% 29.72 in 0.5 mi West 17.3 mph 36.8 mph 0.01 in Fog , Snow Snow
9:46 AM 33.8 °F 25.3 °F 28.4 °F 81% 29.72 in 1.5 mi West 11.5 mph 21.9 mph 0.01 in Snow Light Snow
9:49 AM 33.8 °F 25.3 °F 28.4 °F 81% 29.72 in 4.0 mi West 11.5 mph - 0.01 in Snow Light Snow
9:53 AM 34.0 °F 26.0 °F 27.0 °F 75% 29.82 in 9.0 mi WNW 10.4 mph - 0.01 in Snow Light Snow
10:05 AM 35.6 °F 26.6 °F 26.6 °F 70% 29.72 in 10.0 mi WNW 13.8 mph 20.7 mph 0.00 in   Mostly Cloudy
10:53 AM 35.1 °F 24.1 °F 21.0 °F 57% 29.83 in 10.0 mi West 19.6 mph 32.2 mph 0.00 in   Mostly Cloudy
11:53 AM 35.1 °F 24.5 °F 16.0 °F 46% 29.86 in 10.0 mi West 18.4 mph 33.4 mph N/A   Overcast
12:53 PM 37.9 °F 25.3 °F 7.0 °F 28% 29.84 in 10.0 mi West 32.2 mph 46.0 mph N/A   Clear
1:53 PM 37.9 °F 25.3 °F 5.0 °F 25% 29.80 in 10.0 mi West 32.2 mph 48.3 mph N/A   Clear
2:53 PM 37.9 °F 25.3 °F 7.0 °F 28% 29.82 in 10.0 mi West 32.2 mph 44.9 mph N/A   Clear
3:53 PM 39.0 °F 29.6 °F 9.0 °F 29% 29.86 in 10.0 mi West 18.4 mph 36.8 mph N/A   Partly Cloudy
4:53 PM 36.0 °F 25.3 °F 9.0 °F 33% 29.92 in 10.0 mi WNW 19.6 mph 31.1 mph N/A   Overcast
5:53 PM 34.0 °F 22.1 °F 10.9 °F 38% 29.94 in 10.0 mi West 21.9 mph 31.1 mph N/A   Overcast
6:53 PM 33.1 °F 21.2 °F 10.9 °F 40% 29.98 in 10.0 mi WNW 20.7 mph 28.8 mph N/A   Mostly Cloudy
7:53 PM 27.0 °F 13.2 °F 19.0 °F 72% 30.06 in 10.0 mi North 20.7 mph 31.1 mph N/A   Overcast
8:00 PM 26.6 °F 13.1 °F 19.4 °F 74% 29.94 in 10.0 mi North 19.6 mph 29.9 mph N/A   Overcast
8:34 PM 24.8 °F 11.1 °F 21.2 °F 86% 29.98 in 2.0 mi North 18.4 mph 25.3 mph 0.00 in Snow Light Snow
8:37 PM 24.8 °F 11.5 °F 21.2 °F 86% 29.98 in 1.5 mi North 17.3 mph 24.2 mph 0.00 in Snow Light Snow
8:45 PM 24.8 °F 11.1 °F 21.2 °F 86% 29.99 in 1.0 mi North 18.4 mph 26.5 mph 0.00 in Snow Light Snow
8:53 PM 23.0 °F 9.2 °F 19.9 °F 88% 30.12 in 1.0 mi North 17.3 mph 26.5 mph 0.00 in Snow Light Snow
9:03 PM 23.0 °F 9.6 °F 19.4 °F 86% 30.00 in 2.0 mi NNW 16.1 mph - 0.01 in Snow Light Snow
9:13 PM 24.8 °F 15.3 °F 19.4 °F 80% 30.01 in 4.0 mi NNW 9.2 mph 25.3 mph 0.01 in Snow Light Snow
9:26 PM 24.8 °F 14.6 °F 17.6 °F 74% 30.02 in 8.0 mi NNW 10.4 mph 21.9 mph 0.01 in Snow Light Snow
9:53 PM 25.0 °F 14.2 °F 16.0 °F 69% 30.18 in 10.0 mi North 11.5 mph 17.3 mph 0.01 in   Overcast
10:53 PM 25.0 °F 11.3 °F 12.9 °F 60% 30.18 in 10.0 mi NNW 18.4 mph 25.3 mph N/A   Overcast
11:53 PM 24.1 °F 12.5 °F 14.0 °F 65% 30.20 in 10.0 mi NW 12.7 mph - N/A   Overcast