134 



OBSERVATIONS ON THE WINDS. 



Trades in the North Atlantic. It must be premised, however, that these 

 figures, as well as the data from which they are derived, will give only a 

 general view of the phenomena likely to be encountered, and the chances 

 per cent, that a ship wiU have of meeting with similar winds or calms. 

 The figures in these columns give the number of days (or observations) the 

 wind blows in each hundred, from the respective directions : — 



Fig. 1. — In the neighbourhood of the Cape Verde Islands. 



Between 

 N. &E. 



E. &S. 



S. & W. 



W.&N. 



Mean. 



Frequent. 



Calms. 



Winter 

 Spring 

 Summer 

 Autumn 



73 

 76 

 70 

 63 



12 



18 

 14 

 22 



10 

 4 

 4 

 6 



7 



2 



12 



9 



N.E. 



N.E. 



N.N.E. 



N.E. 



E.N.E. 



N.E., N.N.E. 



N.N.E. 



E.N.E. 



1-1 



1-8 

 8-6 

 4-7 



Fig. 2. — Between Lats. 10° and 20° N. and Longs. 30° and 40° W. 



E. 



by N. I N. 

 E.N.E. 



E.N.E. 

 E. by N. 



Fig. Z.— Between Lats. 10° and 20° N. and Longs. 40° and 50° W. 



Fig. L— Between Lats. 10° and 20° N. and Longs. 50° and 60° W. 



Fig. 5. — In the East Part of the Caribbean Sea, near the Windward Isles. 



Fig. 6. — In the West Part of the Caribbean Sea, South of Jamaica, dc. 



