SERIES B. ZONE 12. L A T. 30° TO 35° N. 



449 



ZOI^E J\o. 12. 



Latitude 30° to 35° North. 



The data for the study of the winds of this zone consist of observations made at over 

 303 stations on land, for an aggregate period of over 892 years ; at sea for over 

 27 years. The distribution is as follows : — 



Where observed. 



Aggregate length of time. 



Pacific Ocean, 



Fuiteii States west of the Mississippi, 



TJuited States east of the Mississippi, 



AtUxutic Ocean, 



Islands of the Atlantic, 



Mediterranean Sea and Islands, 



Africa, 



Asia, 



121 

 134 



"Y 

 1 



14 

 26 



5849 days^ 15 years 9 months. 



419 years 6 months. 



349 years 6 months. 



nearly 11 years 9 months. 



28 years 9 months. 



3 years 6 months. 



over 35 years 9 months. 



over 55 years 8 months. 



(Nos. 1 to G.) Pacific Ocean, east of longitude ISO^. 



Computed from observations for an aggregate period of 14 years, collected and classified from 

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

 of Capt. M. F. Maury, Superintendent. 









EULATIVE PRErALENCE O 



F W 



NDS FROM THE DiFPEREKT 





^ 



Monsoon 













PomTS OF 



THE Compass. 



Direction - 



ll 



influences. 



-c 



































^ 







Place of 



Time of 



































> 



of 



^'0 







"o 



observ-itioD. 



the year. 





(4 





W 





H 









xA 





^ 





& 





te:' 





resultant. 



S 



Direction. 





s 







5 



^ 



W 



^ 



m' 



w 



p4 



3 



^ 



m 



■£ 



^ 



^' 



^' 



fi 





s. g 





i 



a 







^ 



15 



^ 



w 



W 



W 



M 



xA 



M 



m 



m 



i 



1 



^ 



S 



^' 









K^ 





(£ 



fc 



1. 

 Lougitiidi! 

 l.-iO^ to " 

 liiS" W. 



Spring 



5S 



210 



113 



285 



130 191 



65 



184 



58 



155 



46 



123 



35 



103 



64 



131 



75 



N. 79°36'E. 



.21 



N. 14i°W.'.15 



675 



Summer 



21 



U9 



27 



131 



92133 



52 



90 



33 



120 



36 



60 



13 



64 



13 



34 



63 



S. 58 6 W. 



.26 



N. 80i W. 



.47 



350 



Autumn 



C2 



184 



157 



380 



220 358 



255 



470 



292 



491 



184 



351 



99 



280 



86 



176 



132 



S. 18 46 E. 



.23 



S. 58i- W. 



.20 



1392 



Winter 







9 



6 



22 



7 



37 



4 



7 



6 



6 







8 







7 











2 



S. 76 10 E. 



.50 



S. 88' E. 



.24 



40 



The year' 





































S. 65 47 E. 



.27 







2457 



2. 

 LoBoituJe 

 140= to 1 

 150= W. 



3. r 



Lousitude J 

 130^ to 1 

 140' W. 



Spring 



2 7 



5 



24 



15 



"e 







16 







10 



1 



16 







i'2 



"6 



"0 



12 



S. 85 21 E. 



.18 



S."89'"w. 



.07 



40 



Summer 



11 74 



701174 



31 



55 



14 



25 



10 



15 



7 



26 



12 



15,15 



22 



25 



N. 61 30 E. 



.50 



N. 36-} E. 



.32 



202 



Autumn 



17 71 



21 



101 



20 



57 



30 



52 



43 



49 



24 



44 



25 



26 



14 



36 



13 



S. 77 17 E. 



.IG 



S. 77 W. 



.09} 



216 



Winter 



3 5 



1 



13 



15 



18 



11 



14 



13 



12 







11 



4 



14 







4 



1 



S. 37 59 E. 



.30 



S. 16 W. 



.23 



46 



The year' 

 Spring 



'i' i-i 



23 



51 



i'i 



9 



13 



13 



"2 



"2 







15 







"2 



"0 



"s 



"4 



S. 86 38 E. 

 N. 74 34 E. 



.25 

 .52 





.17 



504 



57 



n!"83"e. 



Summer 



17 78 



170 



189 



23 



9 



7 



7 



2 



24 



8 



31 



11 



7 



12 



21 



47 



N. 48 14 E. 



.58 



N. 20i E. 



.29 



221 



Autumn 



15 74 



43 



72 



13 



31 



35 



42 



23 



60 



11 



21 



7 



18 



3 



40 



7 



N. 81 21 E. 



.25 



S. 46} W. 



11 



172 



Winter 



6 



7 



7 



9 



19 



4 



10 



4 



13 



2 



10 







11 



1 



7 







N. 64 55 E. 



.20 



S. 76} W. 



.15 



37 



The year 



































N. 70 44 E. 



.35 









487 



4. f 

 Loiii;itnrle J 

 130' to > 

 135= W. 



Spring 



14 53 



44 



37 



17 



12 



"3 



"s 



io 



12 



11 



"2 







"2 



"2 



25 



"7 



N. 45 39 E. 



.49 



N. 5U E. 



.04 



86 



Summer 



11 65 



100 



81 



20 



7 



3 



7 



3 



1 



3 



5 



9 



3 



9 



23 



18 



N. 42 36 E. 



.67 



N. 35 E. 



.22 



123 



Autumn 



10 108 



83 



115 



28 



13 



11 



16 



12 



24 



16 



34 



20 



27 



12 



44 



17 



N. 36 35 E, 



.39 



S. 88 W. 



.09 



197 



Winter 



10 13 



29 



55 



13 



20 



15 



12 



9 



8 



7 



16 



3 



25 



13 



G 



1 



N. 63 37 E. 



.27 



S. 21} W. 



.21 



85 



The year' 



































N. 45 13 E. 



.45 







491 



5. f 



Lon^itudo , 

 125 • to 1 

 130' W. 



Spring 



43 7(j 



24 



"s 



3 



5 



"9 



"(3 



"(3 



"2 



12 



13 



5 



"5 



5 



62 



9 



N. 4 9 E. 



.55 



n!"i5 "e. 



.09 



98 



Summer 



45 131' 



54 



3 















4 



4 



5 



5 



G 



1 



9 



20 



94 



25 



N. 4 22 E. 



.71 



N. 8} E. 



.23i 



135 



Autumn 



09 147 



33 



35 



11 



19 



4 



10 



11 



29 



15 



48 



14 



37 



26 



66 



30 



N. 2 28 W. 



.41 



S. 29 W. 



.07" 



201 



Winter 



28 31 



IS 



26 



4 



15 



3 



11 



4 



28 



8 



21 



9 



15 



5 



28 



4 



N. 1 W. 



.20 



S. 3} W. 



.27 



86 



The year' 

 Spring 



































N. 2 19 E. 



.47 







520 



G. '' 

 Longitude J 

 11.'-)' to I 

 125= W. , 



13 C 



"6 







"6 



"6 







"0 



"6 



"2 



"6 



"3 



is 



"9 



14 



90 



"3 



N. 32 49 W. 



.80 



n!'50"w. 



.19 



53 



Summer 



70 44 



1 



3 











1 



2 



1 



8 



2 



4 



5 



26 



13 



142 



12 



N. 17 12 W. 



.78 



N. 14} W. 



.20 



113 



Autumn 



54 101 



12 



21 



9 



12 



3 



3 



25 



19 







22 



26 



53 



29 



319 



44 N. 19 29 W. 



.62 



N. 65 E. 



.09 



251 



Winter 



14 40 



2 



6 



2 



10 



3 



21 



6 



34 



18 



37 



8| 27 



10 



76 



9 N. 58 20 W. 



.31 



S. 3} E. 



.38 



108 



Tlie year' 

























...1 ... 



1 







... N. 27 39 W. 



.62 







525 











' Con 



ipu 



edf 



rem 



the resultants for the seasons. 









57 





fl-pr 



il,l 



875 







































