SERIES B. ZONE 13. LAT. 25° TO 3 0° N. 



499 



(Nos. 1 to 5 ) Pacific Ocean, east of longitude 180°. 



Computed from observations for an aggregate period of about 13 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. 









Relative Pkevalence op Wi 



ND3 PKOM THE DlFPEEENT 











MoDsoon 





Plftoe of 



Time of the 









Points of thi 



OOMPASS. 



Direction of 





influences. 



1 





























^' 





> 







observation. 



year. 





« 





H 





W 





(4 





>. 





^ 







^ s 



resultant. 



ot: 



Direction. 





£ 







% 



fe 



H 



fe 



"m 



w 



^ 



rli 







^ 



m 



» 



% 



^ 



^'s 













?, 



*£ 







^ 



fe 



^ 



H 



S 



H 



72 



m 



IB 



m 



yj 



^ 



^ 



^ 



fc 



% 









r 





S 



% 



1. <" 

 Longitude , 

 155° to 1 

 1G5° W. 



Spring 



44 



191 



284 



1 

 443 167 



66 



56 



22 



24,39 



13 11,12 



17j 30 



52 



24 



N. 



61° 



02' E. 



.66 



N. 13° E. 



.19 



498 



Summer 



la 



9 



37 



158 



119 



131 



26 



51 



10 30 



9 25 



8 



17, 33113 



7 



N, 



88 



23 E. 



.52 



S. 7 W. 



.12 



233 



Autumn 



i2e 



188 



340 



322 



363 



184 



171 



70 



81 53 



78 56 



93 



38 



87 



31 



90 



N. 



72 



23 E. 



.43 



S. 86 W. 



.12 



790 



Winter 



2 



H 



•6i 



15 



37 



11 



1 







7, 



12 















2 







1 



N. 



78 



59 E. 



.63 



S. 6| W. 



.09 



41 



Tlie year! 

 Spring 





































N 



75 



28 E 



.55 







1562 



2. ( 

 Longitude 

 145° to 

 155° W. 



6 



6 



18 







11 



1 



19 



4 















3 



1 







3 







1 



N. 



77 



53 E. 



.50 



N. 851 E. 



.1^17 



24 



Summer 



• 9 



12 



72 



30 



63 



13 



•12 



5 



8 



3 



6 







4 



3 







2 



1 



N. 



71 



25 E. 



.67 



N. 62^ E. 



.24 



81 



Autumn 



125 



55 



352 



163 



257 



134 



249 



134 



137 



52 



103 



26 



65 



1« 



64 



24 



71 



N. 



85 



43 E. 



.38 



S. 30 W. 



.08 



676 



Winter 



14 



6 



33 



10 



21 



7 



13 



18 



7 



4 



12 



3 



17 



8 



16 







2 



N. 



67 



45 E. 



.17 



S. 82i W. 



.26 



64 



Tlie year' 

 Spring 





































M 



77 



8 E. 



.43 





... 



845 



3. 



Longitude 

 135° to 

 145° W. 



3 



17 



38 



13 



6 



10 







3 











6 



3 



3 







10 



1 



4 



N. 



43 



35 E. 



.55 



S. 86 E. 



.07 



39 



Summer 



11 



33 



82 



11 



3 



2 















2 



4 











1 



1 



1 



9 



N. 



38 



36 E. 



.80 



N. 41 E. 



.29 



53 



Autumn 



72 



17 



119 



9 



9 



8 



38 



5 



10 



3 



16 



11 



9 



3; 18 



8 



13 



N. 



28 



21 E. 



.48 



N. 68 W. 



.07 



116 



Winter 



17 



11 



38 



11 



9 



15 



13 



2 



7 







14 



15 



21 



31 8 



3 



7 



N. 



34 



48 E. 



.18 



S. 39 W. 



.31 



65 



Tlie year' 

 Spring 





































N 



37 

 29 



10 E 



65 







273 



4- f 

 Longitude 1 



125° to 1 



135° W. ! 



32 



28 



50 



5 



15 







10 



1 



1 







3 















13 



9 



2 



N. 



55 E. 



.63 



N. 15 W. 



.01 



56 



Summer 



39 



82 



71 



33 



3' 



C 



















f 







c 



2 



5 



4 



N. 



31 



22 E. 



.90 



N. 31-^ E. 



.28 



80 



Autumn 



26 



55 



62 



66 



13j 5 



9 



8 



9 



8 



5 



15 



3 



4 



n 



23 



20 



N 



38 



56 E. 



.51 



South. 



.14 



114 



Winter 



24 



36 



55 



35 



16 



12 



8 



1 



6 



5 



13 



9 



14 



12 



20 



27 



7 



N. 



22 



28 E. 



.42 



S. 48 W. 



.22 



100 



Tlie year' 





































N 



31 



15 E. 



.62 





... 



350 



5. [ 



Longitude 1 



105° to ] 



125° W. [ 



Spring 



25 



8 



2 







1 



















i 



1 



t 



1 



io 



49 



32 5 



N. 



27 



45 W. 



.85 



N. 57 W. 



.16 



45 



Summer 



21 



17 



28 



5 











2 











1 







1 



7 



3 



40 



36 2 



N. 



9 



58 W. 



.77 



N. 52 E-. 



.16 



54 



Autumu 



100 



87 



81 



24 



2 







19 



3 



3 



2 



14 



20 



48!38:315 



94|16iN 



24 



25 W. 



.67 



S. 20 W. 



.05 



289 



Winter 



91 



76 



41 



28 



4 



9 



11 



4 



5 



7 



10 



2440 44! 177 



89 13 N 



23 



29 W. 



.62 



S. 6^ E. 



.09 



224 



The year' 



























...1... N 

 1 



21 



31 W. 



.71 







612 













' Compu 



ed 



from 



the resultants for the seasons. 













(Nos. 6 to 8.) Eastern Mexico, latitude 25° to 27°.. 



Observed at the following places, viz. : — • 



Matamoras, from March to September, 1843, and from November, 1846, to May, 1848, both 

 inclusive. 



Monterey, Sallillo, Ghino, Gomo, Rio Grande City, Moquete, Toya, St. Theresa, San Francisco, 

 and other places, by Louis Berlandier, M.D., for an aggregate period of 72 days, during transient 

 sojourns, about the year 1820. 











Eelativ 



E Pkevalence of Wi 



KDS FP.OJI n 



HE 



^^^ 















Different Points of the 



Compass. 









"n dJ 



























>. 





«" 





W 





f% 





M 





Place of 





Time of 





9^ 





i.a 





0^ 





j=j< 



6 



Direction of 



t. 







observation. 





the year. 



ji 





, 



° a 



^ 



go) 

 ^1 



•s 





P-.Q 





resultant. 



06 



s 









i \zt 



W 



mi 



<n 



mi 



^ 



si 



D 







«■ 



% 





' 



Spring 







1 







40 



8 1 







10 



1 



S. 



35°59'E.??? 



.59 



15 





Summer 







3 



2 



128 



9 



7 







1 



15 



S. 



41 12 E.??? 



.82 



14 



6. Monterey, etc. 





Autumn 











1 



3 



1 



















s. 



45 E.??? 



.88 



3 







Winter 



13 



IS 







9 



2 



5 



2 



4 



8 



JM. 



32 48 E.?? 



.33 



40 







The year' 





















S. 



59 15 E.?? 



.49 



72 





' 



Spring 



114 



100 



303 



487 



319 



83 



21 



77 



117 



S. 



50 25 E. 



.47 



276 





Summer 



81 88 



4001 289 



66 



37 



6 



29 



121 



S. 



71 5 E. 



.63 



184 



7. Matamoras. 



i 



Autumn 



121 



77 



203 99 



50 



30 



7 



9 



5 



IN. 



82 6 E. 



.49 



151 







Winter 



?,14 



SI 



105 72 



172 



24 



13 



25 







JN. 



73 29 E. 



.24 



181 







The year' 



















S. 



77 44 E. 



.42 



792 





' 



Spring 



114 



101 



303 527 



327 



84 



21 



87 



118 



S. 



49 46 E. 



.47 





8. 



Summer 



a 



91 



402, 417 



75 



44 



6 



30 



136 



B. 



66 22 E. 



.63^ 





The two preceding 





Autumn 



121 



77 



2041 102 



51 



30 



7 



9 



5 



W. 



82 47 E. 



.49* 







■ 



Winter 



227 



99 



105 81 



174 



29 



15 



29 



8 



JN. 



69 33 E. 



.24^ 







The year' 



















S. 



76 5 E. 



.43 









1 r 



omputed 



rom the resHltanta f 



ir tht 



seas 



ons. 



^^^ 









