SERIES B. ZONE 21. LAT. 10° TO 15° S. 



675 



(Nos. 5 to 13.) Pacific Ocean, longitude 76° to 110° west. 



From observations for an aggregate period of over t years, collected and classified, fi-oui the 

 logs of numerous sailing vessels, at the United States Naval Observatory, under the direction of 

 Capt. M. F. Maury, Superintendent. 



me of the 

 year. 



Rklatjve Prevalence op "Winds from the Difperemt Points of 



^ ^ 



^1 . 



5. 



Longitude 

 170= to 

 16J)= W. 



6. 



Longitude 



l(iO° to 



1(J5° W. 



7. 



Longitude 



155° to 



165° W. 



8. 



Longitude 



155° to 



100° W. 



9. 



Longitude 



150° to 



155° W. 



10. 



Longitude 



] 20° to 



150° W. 



11. 



Longitude 

 85° to 

 120° W. 



12. 



Longitude 



80° to 



85° W. 



13. 



Longitude 



76° to 



80° W. 



f , Spring 

 I I Summer 

 ■| I Autumn 

 I Winter 

 [ Tlie year" 



1 



\ Antumu 



J 



Spring 

 Summer 

 Winter 

 The year' 



Autumn 



Spring 

 Summer 

 Autumn 

 Winter 

 The year' 

 r i Spring 

 Summer 

 Autumn 

 Winter 

 Tlie year' 

 I I Spring 

 I i Summer 

 ■.' Autumu 

 I I Winter 

 1. 1 The year' 

 f ; Spring 

 I Summer 

 \ ! Autumn 

 I Winter 

 I, The year' 

 f Spring 

 I Summer 

 •j Autumn 

 I Winter 

 I. The year' 



23 

 27 1 40 



9: 12 

 18 23 



89 



34 



21 



11 



86 



46 



41 



24 



136 



49 



21 



39 



16 



12 



174 



54 



19 



87 







48 



24 



72 



39 



68 



"6 



32 



6 



2 



8 



50 



21 



72 



62 



38 



24 



4 



6 







13 



57 



154 43 



71| 24 

 127 



314 87 





 3 



18 3 



26' B 



12' 



28, 



9 

 

 0, 



N. 17°39'W. 

 S. 51 36 E. 

 N. 82 15 E. 

 S. 89 19 E. 

 S. 77 7 E. 



N. 72 21 E. 



S. 70 42 E.? 



N. 61 36 E. 



N. 85 32 E. 



N. 85 32 E. 



...:s. 



OS. 



5S. 

 3S. 



6lS. 



... S. 



61 18 E. 

 85 1 E.? 

 71 53 K. 

 65 55 E. 

 71 34 I''. 

 73 45 E. 

 76 32 E.? 

 85 E.? 

 67 37 E. 

 75 53 E. 

 49 12 E. 

 49 18 E.? 



62 23 E. 

 56 56 E. 

 54 18 E. 

 44 14 E. 



42 35 E.? 

 51 19 E. 

 44 10 E. 

 44 23 E. 



43 13 E. 

 40 3 E. 

 36 40 E.? 

 39 34 E. 

 39 47 E. 



N 



81° W. 



.40 



S. 



27 E, 



.43 



N. 

 N. 



46iE. 

 6 E. 



.25 

 .09 



.06 



S. 



3 E. 



N. 

 S. 



27A W. 

 25 E. 



.14 

 .35 



N. 



34 W. 



.25 

 .08 



N. 



85iE. 



N. 



64 W. 



.14 



S. 

 S. 

 N. 



46 E. 

 69^ W. 

 40iE. 



.14 



N. 



S. 



76^ W. 

 13 W. 



.05 

 .35 



S. 



50 E. 



.16 



N 



5 E. 



.12 

 .10 



S. 



27 W. 



s. 



18 W. 



.08 



N. 



23 E. 



.13 



N. 



20i. E. 



.04 

 .04 



S. 



'33i E. 



S. 



26^ W. 



.03 



N. 



53 E. 



.12 



N. 



56J- W. 



.04 

 .07 



N. 



5 E. 



N. 



23 W. 



.03 



S. 



20 W. 



.05 



S. 



34 E. 



.03i 







50 



42 

 27 

 47 

 166 



116 

 26 

 175 

 643 



160 



36 



142 



76 



414 



162 



48 



24 



216 



450 



78 



44 



55 



100 



277 



79 



34 



68 



180 



361 



88 



59 



47 



143 



337 



Computed from tlie resultants for the seasons. 



(No. 14.) Callao, Peru, South America 



Computed from observations made by Commodore Wilkes, for 61 days, in the summer of 1839 

 and 1840, combined with those made by Charles Darwin, for 64 days, in April, June and July, 1844, 

 as follows : — 



Spring. — North 16, between south and east 138, south 22, between north and west 2. 

 Direction of resultant, S. 43° 16' E.?? 

 Ratio of resultant to sum of winds .76. 

 Number of days, 30. 

 Summer. — North 98, between north and east 18, east 86, between south and east 1039, south 455^, 

 between south and west 193^, west 80, between north and west 158. Calm or variable, 258. 

 Direction of resultant S. 24° 30' E.? 

 Ratio of resultant to sum of winds .51. 

 Number of days, 95. 



