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Wind Seasonal Summary (mph)

Data last updated 18/05/12 08:00.

Northern Hemisphere Meterological Seasons
Winter: December, January, February
Spring: March, April, May
Summer: June, July, August
Autumn: September, October, November

Daily DetailMonthly SummarySeasonal Summary



Maximum Wind Speed (mph)
DateWinterSpringSummerAutumnYear
Dec 2011 / Nov 201241.434.5*------41.4*
Dec 2010 / Nov 201147.141.427.639.147.1
Dec 2009 / Nov 201027.629.932.239.139.1
Dec 2008 / Nov 2009---------42.5*42.5*
Max47.1 41.4 32.2 42.5 47.1
 
Average Maximum Wind Speed (mph)
DateWinterSpringSummerAutumnYear
Dec 2011 / Nov 201221.4 3 more than the Winter average.17.9* 0.4 less than the Spring average.------19.8*1.4 more than the yearly average.
Dec 2010 / Nov 201117.1 1.3 less than the Winter average.18.7 0.4 more than the Spring average.16.7 0.5 less than the Summer average.20.2 0.8 more than the Autumn average.18.20.2 less than the yearly average.
Dec 2009 / Nov 201016.7 1.7 less than the Winter average.18.2 0.1 less than the Spring average.17.7 0.5 more than the Summer average.18.2 1.2 less than the Autumn average.17.70.7 less than the yearly average.
Dec 2008 / Nov 2009---------19.8* 0.4 more than the Autumn average.19.8*1.4 more than the yearly average.
Avg18.4 18.3 17.2 19.4 18.4
 
Average Wind Speed (mph)
DateWinterSpringSummerAutumnYear
Dec 2011 / Nov 20125.8 1.3 more than the Winter average.4.0* 0.2 less than the Spring average.------4.9*0.6 more than the yearly average.
Dec 2010 / Nov 20113.9 0.6 less than the Winter average.4.5 0.3 more than the Spring average.3.4 0.2 less than the Summer average.5.2 0.4 more than the Autumn average.4.3 
Dec 2009 / Nov 20103.6 0.9 less than the Winter average.4.0 0.2 less than the Spring average.3.7 0.1 more than the Summer average.4.2 0.6 less than the Autumn average.3.90.4 less than the yearly average.
Dec 2008 / Nov 2009---------4.9* 0.1 more than the Autumn average.4.9*0.6 more than the yearly average.
Avg4.5 4.2 3.6 4.8 4.3
 
* denotes incomplete data for the month/year.

WIND COLOR CODING CHART
Beaufort number Description Wind speed
mph km/h kts m/s
0Calm< 1< 1< 1< 0.3
1Light air1 – 31.1 – 5.51 – 20.3 – 1.5
2Light breeze4 – 7 5.6 – 113 – 61.6 – 3.4
3Gentle breeze8 – 1212 – 197 – 103.4 – 5.4
4Moderate breeze 13 – 1720 – 2811 – 155.5 – 7.9
5Fresh breeze 18 – 2429 – 3816 – 208.0 – 10.7
6Strong breeze25 – 3039 – 4921 – 2610.8 – 13.8
7High wind, Moderate gale, Near gale31 – 3850 – 6127 – 3313.9 – 17.1
8Gale, Fresh gale39 – 4662 – 7434 – 4017.2 – 20.7
9Strong gale47 – 5475 – 8841 – 4720.8 – 24.4
10Storm, Whole gale55 – 6389 – 10248 – 5524.5 – 28.4
11Violent storm64 – 72103 – 11756 – 6328.5 – 32.6
12Hurricane-force > 73> 118> 64> 32.7

Script developed by Murry Conarroe of Wildwood Weather.