SERIES B. ZONE 18. LAT.-0°TO5°N. 



553 



(Nos. 1 to 15.) Pacific Ocean, east of longitude 180°. 



Prom observations made for an aggregate period of 38 years, collected and classified, from the 

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

 Capt. M. P. Maury, Superintendent. 









Eelative Prevalence of Winds fkom th 



eD 



ffekekt I 





Monsoon 











Points off the Compass. 











G-^ 



influences. 



•a 



































j; 







Plaejof 



Time of 





























^' 







> 



Direction of 



U ° 







"o 



observation. 



tlie year. 





f4 





H 





H 





f4 





^ 





^ 







^ 



g 



resultant. 



o2 



3 



Direction, 





S 







x 



fe 



W 



^ 



■g 



ai 



W 



ai 



3 



(C 



^ 



m 



»' 



fc 



t; 



^ 



s 









g 









1 



^ 



^ 



H 



H 



p4 



ai 



tc 



tc 



oi 



1/2 



i 



^ 



fci 



s 



^ 



D 





«*" 





(S 



!? 





Spring 



4 



~4 



69 



88143 



33 44 



6 



16 



3 



6 























3 



N. 83^ 29' E. 



.56 



N. 29|°W. 



.81 



143 



1. 



Summer 











20 



6 



50 



4l! 39 



21 



4 



































S. 70 42 E. 



.84 



S. 48^ E. 



.11 



60 



Long. 155° ■ 



Autumn 



2 



9 



19 



40 



210 



272 478 



102 



42 



1 



6 















3 







11 



S. 58 31 E. 



.80 



S. 7i W. 



.21 



398 



to 105° W. 



Winter 



10 



1 



56 



48 



127 



121 118 



21 



13 































10 



S. 78 38 E. 



.80 



N. 59i E. 



.08 



175 





Tlie year' 





































S. 73 57 E. 



.74 







776 



2. 



Spring 



26 



6 



93 



88 



161 



44 



66 



"3 















"6 



"0 



"6 



"0 



"3 



"7 



N. SO 13 E. 



.80 



N. 14 "e. 



.33A 



165 



Summer 











12 



9 



9 



5 



19 



21 



2 



■ 































S. 70 25 E.' 



.69 



S. 56 W. 



.08 



28 



Lon?.145°. 



Autumn 



10 



1 



27 



18 



97 



124 



271 



84 



65 



8 



38 



1 



3 



1 



8 







13 



S. 48 21 E. 



.73 



S. 29 W. 



.34 



256 



to 155 ' W. 



Winter 

 The year' 



3 



9 



44 



31 



163 



108 



111 



16 



5 































2 



S. 77 51 E. 

 S. 75 E. 



.85 

 .73 



N. 85 E. 



.12 



164 

 613 





Spring 



"3 



"3 



76 



82 



161 



63 



135 



14 



2 







"0 







1 



"5 



"6 



"0 



11 



S. 84 39 E. 



.80 



n!'"4a'e. 



•21i- 



185 



3. 



Summer 



















26 



73 



63 



12 







































S. 59 37 E. 



.95 



S. 12" E. 



.20 



58 



Long. 135° ■ 



Autumn 















21 



27 



18 



23 



23 



6 



6 































S. 58 50 E. 



.80 



S. 36J W. 



.17 



41 



to 145 'W. 



Winter 



4 







45 



51 



182 



133 



106 



25 



3 







5 























7 



S. 77 21 E. 



.84 



N. 21 E. 



.11 



187 



The year' 

 Spring 





































S. 69 50 E. 



.83 







471 



4. ■ 







"3 



58 



25 



185 



65 



212 



54 



31 







6 







"0 







"0 



"6 



16 



S 67 11 E. 



.79 



N. "i'^'w. 



.13 



220 



Summer 















4 



30 



30 



97 



22 



6 



































S. 52 22 E. 



.92 



South. 



.13 



63 



Long. 130° • 



Autumn 















6 



21 



49 78 



21 



3 







3 























(1 



S. 54 7 E. 



.90 



S. 2 E. 



.09 



60 



to 135° W. 



Winter 







3 



39 



29 



87 



78j226 



32 



7 







6 















3 







18 



S. 64 28 E. 



.80 



N. 1 W. 



■08A 



179 



The year' 

 Spring 







12 



61 



3S 



168 



79 



224 



85 



14 



"6 



"8 



"4 



16 



"6 







"0 



24 



S. 59 12 E. 

 S. 67 26 E. 



.85 

 .74 





.18 



522 

 249 



n!'io"w. 



5. 



Summer 



















12 



72 



91 



17 



3 































3 



S. 53 29 E. 



.94 



S. 21 E. 



.11 



66 



Long. 125° ■ 



Autumn 











13 







24 



39 



93 



30 



39 



































S. 46 40 E. 



.84 



S. 41 W. 



.15 



79 



to 130° W. 



Winter 











15 



13 



95 



174 



267 



29 



2 































7 



S. 60 41 E. 



.89 



N. 68^ E. 



.07 



201 



Tile year' 





































S. 56 43 E. 



.85 







595 



(- 



Spring 



4 



3 



66 



13 



99 



126 



287 



74 



30 



"3 



8 



"3 



"3 



"0 



'2 







24 



S. 59 34 E. 



.76 



N. 31 "w. 



.09 



252 



6. 



Summer 



13 







3 



3 



26 



122 



227 



34 



6 















1 















3 



S. 54 10 E. 



.89 



S. 16A E. 



.07 



146 



Long. 120° -1 



Autumn 















6 



66 



113 



130 



15 



5 



6 



















2 







3 



S. 60 E. 



.90 



N. 8.i E. 



.08 



115 



tol25°W. 



Winter 

 The year' 











14 



19 



133 



146 



390 



80 



36 



3 



8 







3 







3 







34 



S. 53 55 E. 

 S. 56 51 E. 



.84 

 .84 



S. 38f W. 



.06 



290 

 803- 





Spring 



"6 



"5 



49 



20 



54 



76 



145 



49 



30 







7 







"s 







"0 







38 



S. 62 38 E. 



.65 



n'.' 18 "w. 



.22 



166 



7. 



Summer 















3 



46 



76 



191 



40 



11 



10 































S. 50 7 E. 



.91 



S. 34i E. 



.09 



125 



Loug. 115°-^ 



Autumn 











3 



3 



27 



64104 



37 



9 



6 



9 



























S. 48 36 E. 



.86 



S. 1 E. 



.06 



87 



to 120° W. 



Winter 

 The year' 

 Spring 



4 



2 



12 



12 



47 



152 338 



124 



23 



3 



4 







1 















12 



S. 49 16 E. 

 S. 51 57 E. 



.88 



.82 



S. 20 E. 



.07 



245 

 623 



r 







"4 



35 



20 



43 



60 137 



20 



26 



"4 



4 



"0 



14 



"6 



1 



"3 



18 



S. 69 1 E. 



.69 



N." "9i"w. 



.17 



130 



8. 



Summer 



















8 



8 86 



22 



15 



9 



1 







2 



















S. 35 57 E. 



.88 



S. 29 W. 



.23 



50 



Long. 110° \ 



Autumu 











6 







18 



24; 159 



51 



33 



4 































S. 39 43 E. 



.90 



S. 16 W. 



.19 



98 



to 115° W. 



Winter 

 Tlie year' 

 Spring 



7 







11 



27 



68 



308 67 



38 



4 































8 



S. 68 9 E. 

 S. 50 21 E. 



.89 

 SI 



N. 47^ E. 



.27i 



179 

 547 



c 



"3 



6 



17 



19 



49 



24 100 



46 



49 



10 



"3 



'3 



"0 







"2 



"6 



13 



S.'49 46 e! 



!70 



N."l8 W. 



.13 



115 



9. 



Summer 















8 



22 



61 90 



42 



23 



3 































S. 47 53 E. 



.89 



S. 11 J- E. 



.08 



83 



Lonp;. 105° -j 



Autumu 











9 







13 



21 74 



40 



16 



6 































S. 42 47 E. 



.86 



S. 5J- E. 



.05 



50 



to 110° W. 



Winter 











5 



5 



41 



28 254 



127 



52 



9 



2 























11 



S. 39 21 E. 



.88 



S. Hi W. 



.10 



178 





The year' 

 Spring 



































S. 44 41 E. 



.82 







436 



r 











6 



16 



30 



56 79 



40 



14 



22 



4 







5 







"2 



"6 



26 



S. 46 20 E. 



.71 



n'."'2"e. 



.14 



96 



10. 1 



Summer 















6 



12 



24112 



56 



77 



13 































S. 30 50 E. 



.88 



S. 25 W. 



.14 



100 



Long. 100°-! 



Autumn 











9 



3 



7 



32106 



34 21 



6 



2 







3 















6 



S. 42 24 E. 



.82 



N. 62J E. 



.05 



76 



to 105 ^W. 



Winter 



3 



1 



14 



12 



4S 



76 



333 



153119 



24 



8 







2 







2 







5 



S. 37 56 E. 



.84 



y. 13|E. 



.03 



267 





Tlie year' 













... 





... 



















S. 38 58 E. 



.81 







539 





Spring 



2 



'3 



38 



28 



62 



17 



187 



69! 59 



25 



29 



"0 



"7 



"3 











23 



S. 44 32 E. 



.66 



n". 24 E. 



.20 



184 



11. 



Summer 











12 







6 



16 



201 



111:115 



15 



3 







9 















5 



S. 27 49 E. 



.85 



S. 4iE. 



.11 



164 



Long. !)r)° .j 



Autumn 







9 



11 



3 



23 



6 



182 



lll!l74 



37 



4 























3 



S. 24 43 E. 



,83 



S. 20 W. 



.11 



188 



to 100 ' W. 



Winter 

 The year' 



9 



4 



37 



5 



25 



92 

 ... 



270 



153:209 



34 



23 



8 



11 







7 



7 



60 



S. 30 20 E. 

 S. 31 8 E. 



.70 

 .75 



N. 40 W. 



.05 



3] 8 

 854 



? 



Spring 



41 



"9 



70 



37 



131 



140 



543 



161422138!l91 



43 



58 



23 



26 



5 



120 S. 21 20 E. 



.51 



n'."27 "w. 



.18 



719 



12. 



Summer 



16 



12 



20 



6 



28 



60 



341 



325 530!ll4,101 



12 



8 







13 



4 



100 



S. 18 56 E. 



.75 



S. 12 W. 



.08 



567 



Long. 90° \ 



Autumn 



12 



6 



11 



9 



57 



53 451 



240 



326 132 24 



4 



10 



2 



2 







43 



S. 24 20 E. 



.79 



S. 37 E. 



.11 



461 



to 95 ^ W. 



Winter 



21 



1 



54 



19 96 



99456 



314 



381 127 118 



24 



37 







22 



7 



59 



S. 22 39 E. 



.68 



N. 57 E. 



.02 



012 





The year' 











...| ... 



















S. 23 43 E. 



.69 







2359 















'■ Computed from the resi 



iltai 



itgf 



or the s 



eaaojja. 









70 May, 1875. 



