Descriptive terms of wind speeds

Descriptive Term	    Beaufort Scale Number	Wind Speed(Knot)	Wind Speed(km/h)

   Calm  			   0			   < 1			   < 2
   Light			   1			   1 - 3		   2 - 6
   Light			   2			   4 - 6		   7 - 12
   Moderate			   3			   7 - 10		   13 - 19
   Moderate			   4			   11 - 16		   20 - 30
   Fresh			   5			   17 - 21		   31 - 40
   Strong			   6			   22 - 27		   41 - 51
   Strong			   7			   28 - 33		   52 - 62
   Gale  			   8			   34 - 40		   63 - 75
   Gale  		   	   9			   41 - 47		   76 - 87
   Storm			   10			   48 - 55		   88 - 103
   Storm			   11			   56 - 63		   104 - 117
   Hurricane			   12			   >= 64		   >= 118