SERIES B. ZONE 26. LAT. 35° TO 40° S. 



607 



(Nos. 46 to n.) Indian Ocean. 



From observations for an aggregate period of over 54 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. 







Rklatitk Pit 



EVALENC 



"— *" 



\Vl? 



TJS FROM THE DiFPERKNT POINTS OF 







■■""■ 



Monsoon 



^^~ 



P1.1CC of 

 observation. 



Time of the 

 year. 















HE OoMPASa 









Direction of 

 resultant. 





influences. 



•a 





W 





p4 





B 





w 





^' 





i 





^' 





^' 



e-,Q 



Direction. 









■E 



fe 



H 



fc 



■s 



«j 



« 



m 



1 



tn 



^ 



m 



■s 



fe 



^' 



fc 



s'S 







So 















1 



fe 



^ 



H 



w 



f4 



ai 



'A 







M 



m 



m 



i 



^ 



^' 



!5 



S' 



"3 > 

 







K*" 





(2 



!5 





Spring 



19 



66 



33 



82 



61 



115 



55 



70 



25 



107 



65 



209 



133 



192 



51 



48 



47 



S. 71° 



S'W. 



.21 



S. 89° E. 



.10 



459 



46. Loug. 



Summer 



36 



53 



26 



41 



20 



29 



9 



24 



32 



79 



78 



202 



161 



274 



53 



96 



23 



N. 83 



18 W. 



.51 



N. 59 W. 



.25 



412 



20° to i 



Autumn 



30 



89 



35 



110 



79 



155 



53 



92 



89 



171 



112 



220 



141 



283 



67 



70 



32 



S. 62 



32 W. 



.23 



S. 66 E. 



.10 



609 



25° E. 



Winter 



16 



47 



41 



117 



77 



100 



38 



94 



78 



164101 



291 



165 



243 



38 



£7 



63 



S. 59 



50 W. 



.30 



S. 214 E. 



.09 



579 



[ 



The year' 

 Spring 



11 



83 



48 



72 



34 



40 



24 



46 



22 



61 



35 



92 



48 



105 



i'o 



28 



21 



S. 77 

 N. 77 



11 W. 

 51 W. 



.30 



.08 





.16 



2059 

 202 



S."'8'8}"e. 



47. Long. 



Summer 



26 



83 



40 



21 



1 



21 



8 



31 



8 



58 



45 



99 



78 



122 



47 



66 



12 



N. 69 



w. 



.39 



N. 49 W. 



.18 



255 



25'- to \ 



Autumn 



24 



113 



56 



101 



IG 



104 



42 



117 



45 



153 



89 



207 



123 



231 



49 



102 



28 



S. 77 



24 W. 



.23 



S. 4 E. 



.07 



533 



30° E. 



Winter 



23 



87 



40 



70 



25 



66 



27 



50 



30 



109 



68 



174 



79 



152 



34 



70 



39 



S. 83 



28 W. 



.24 



S. 12 W. 



.05 



381 



f 



The year' 

 Spring 



"s 



55 



30 



29 



"5 



is 



3 



37 



10 



... 

 64 



29 



45 



18 



44 



i's 



27 



10 



N. 85 

 S. 84 



4 W. 

 22 W. 



.23 

 .14 





.07 



1431 

 147 



S."'8'2 "k 



48. Long. 



Summer 



42 



70 



15 



20 



12 



18 



14 



44 



31 



67 



36 



55 



47 



88 



35 



42 



8 



N. 81 



44 W. 



.25 



N. 44 W. 



.05 



215 



30° to s 



Autumn 



58 



177 



73 



107 



38 



100 



49 



1.30 



58 



192 



101 



182 



106 



175 



67 



161 



30 



N. 88 



23 W. 



.14 



N. 8SJ E. 



• 07 



001 



35° E. 



Winter 



24 



36 



20 



25 



6 



21 



14 



59 



20 



38 



40 



124 



28 



91 



19 



50 



13 



S. 81 



50 W. 



.31 



S. 68 W. 



.10 



209 



r 



The year' 

 Spring 



20 



33 



"9 



15 



... 



i'o 



15 



"s 



21 



15 



35 



26 



35 



30 



55 



i6 



29 



"3 



S. 88 

 N. 82 



46 W. 

 29 W. 



.21 

 .26 





.04 



1172 

 125 



S.'"6'2|-"e. 



49. Long. 



Summer 



35 



47 



15 



5 



2 



9 



6 



16 



20 



41 



28 



22 



38 



55 



24 



37 



5 



iN. 69 



55 W. 



.32 



N. 6 W. 



.06 



135 



35° to i 



Autumn 



88 



156 



34 



59 



16 



46 



27 



65 



33 



144 



79 



147 



102 



191 



56 



132 



28 



N. 72 



10 W. 



.30 



N. 11 E. 



.04 



468 



40° E. 



Winter 

 Tlie year' 



21 



47 



26 



23 



4 



23 



14 



29 



13 



53 



50 



102 



60 



62 



18 



41 



1 



S. 85 

 N. 79 



16 W. 

 53 W. 



.33 

 .30 



S. 22J W. 



.08 



196 

 924 



f 



Spring 



is 



37 



14 



i'o 



5 



16 



12 



30 



26 



54 



25 



19 



31 



59 



15 



19 



"5 



S. 72 



55 W. 



.23 



s. "s's'i!;. 



.i's 



132 



50. Long. 



Summer 



20 



35 



9 



5 



5 



13 



10 



20 



30 



43 



28 



43 



46 



7S 



39 



46 



4 



N. 84 



18 W. 



.38 



N. 88 W. 



.08 



160 



40° to i 



Autumn 



56 



119 



29 



31 



15 



52 



14 



65 



25 



129 



50 



187 



52 



146 



48 



130 



11 



N. 78 



39 W. 



.29 



N. 35 E. 



.03 



386 



45° E. 



Winter 



23 



37 



5 



9 



1 



15 



6 



21 



18 



33 



22 



44 



28 



59 



8 



34 



4 



N. 71 



5 W. 



.34 



N. 16A W. 



.08 



122 





Tlie year' 





































N. 83 



28 W. 



.30 









800 





Spring 



21 



40 



2 



9 



6 



20 



i'o 



36 



18 



46 



23 



31 



24 



50 



35 



29 



6 



S. 86 



6 W. 



.24 



S." '2"'e. 



.07i 



135 



51. Long. 



Summer 



26 



45 



11 



17 



5 



8 



10 



27 



16 



54 



18 



47 



22 



59 



29 



39 



2 



N. 76 



7 W. 



.28 



N. 83 W. 



.03 



145 



45° to \ 



Autumn 



41 



68 



21 



32 



13 



39 



13 



40 



36 113 



45 126 



45 



129 



65 



130 



13 



isr. 78 



4 W. 



.32 



N. 86| W. 



.07 



323 



50° E. 



Winter 



18 



63 



3 



15 



6 



18 



9 



45 



13 



36 



11 32 



6 



51 



18 



Oli 9 



N. 46 



21 W. 



.18 



N. 61^- E. 



.\^ 



138 



The year' 

 Spring 

































1 



N. 75 



24 W. 



.25 







741 



16 



27 



"7 



is 



2 



34 



21 



31 



26 



52 



27 



44 



22 



63 



22 



31' "s 



S. 64 



30 W. 



.24 



S."3'6i-"E. 



.i'4i 



149 



52. Long. 



Summer 



24 



25 



6 



3 



4 



13 



9 



4 



16 



49 



33 



41 



21 



54 



20 



45 2 



i^. 84 



39 W. 



.39 



N. 81 W. 



.10 



123 



50° to ■! 



Autumn 



62 



65 



14 



41 



17 



32 



19 



SI 



24 



99 



50 133 



70 



191 



28 



125 20 



N. 81 



12 W. 



.33 



N. 49 J- W. 



.05 



357 



55° E. 



r 



Winter 



18 



45 



12 



26 



2 



17 



12 



39 



9 



59 



20 40 



25 



49 



31 



79 5 



N. 65 



30 W. 



.24 



N. 43|- E. 



.10 



163 



Tlie year' 

 Spring 

































1 



N. 86 



W. 



.29 







792 



20 



44 



13 



"7 



7 



13 



"e 



"s 



20 



35 



13 



30 



"9 



45 



23 



23 







N. 60 



42 W. 



.24 



N'."6'8"'i;. 



.i2 



105 



53. Long. 



Summer 



33 



21 



7 



7 



5 



5 



11 



18 



8 



38 



29 



38 



25 



67 



24 



25 



4 



N. 81 



36 W. 



.36 



S. 81 W. 



.04 



122 



55° to \ 



Autumn 



72 



86 



41 



118 



26 



109 



30 



233 



73 



229 



102 



331 



95 



342 



117,396 



45 



N. 86 



25 W. 



.29 



S. 28 E. 



.05 



815 



(J0° E. 



Winter 

 The year' 



37 



44 



12 



27 



6 



20 



5 



70 



15 



73 



47 



112 



63 



143 



49 



97 



17 



N. 82 

 N. 79 



50 W. 

 10 W. 



.39 



S. 79 W. 



.08 



279 

 1321 





Spring 



is 



39 



11 



"8 



"2 



'3 



i2 



12 



25 



41 



i9 



43 



15 



39 



21 



30 



15 



N. 84 



52 W. 



'2s 



S."'7'4i"E. 



.i-i 



118 



54. Long. 



Summer 



22 



15 



7 







1 



1 



1 



17 



12 



48 



26 



45 



27 



66 



20 



34 



2 



N. 89 



46 W. 



.48 



S. 47 W. 



.09 



117 



00° to ■ 



Autumn 



69 



79 



25 



52 



23 



70 



36 



137 



66 



228 



108 



298 



181 



452 



160 342 



40 



N. 75 



31 W. 



.44 



N. 14 W. 



.05 



791 



05° E. 



Winter 



49 



62 



19 



34 



5 



41 



15 



45 



32 



150 



51 



164 



48 



230 



72!l76 



30 



N. 76 



53 W. 



.48 



N. 49i W. 



.07 



408 



I 

 f 



Tlie year' 

 Spring 





































N. 81 



30 W. 



.42 







1434 



16 



22 



"s 



13 



"3 



12 



"2 



i's 



11 



43 



26 



33 



17 



58 



22 



47 



"3 



n! 77 



42 W. 



.35 



S."'4r"E. 



.10 



115 



55. Long. 



Summer 



9 



13 



6 



1 







2 



3 



21 



9 



34 



21 



52 



35 



61 



15 



33 



2 



S. 87 



31 W. 



.53 



S. 80 W. 



.13 



106 



05° to 



Autumn 



44 



85 



19 



37 



13 



31 



32 



55 



58 



139 



34 



208 



101 



290 



86 



185 



37 



N. 81 



17 W. 



.36 



N. 43 E. 



.06 



485 



70° E. 



Winter 



13 



52 



10 



18 



8 



26 



23 



55 



18 



116 



55 



125 



59 



161 



72133 



22 



N. 84 



25 W. 



.39 



N. 24 E. 



.04 



332 





The year' 

 Spring 



































N. 85 



28 W. 



.45 







1038 





20 



28 



"s 



"4 



5 



28 



"e 



i's 



18 43 



36 



48 



38 



82 



32 



37 



5 



N. 87 



18 W. 



.38 



S. 80 E. 



.08 



152 



50. Long. 



Summer 



13 



19 







3 







1 



1 



15 



4; 45 



17 



75 



35 



68 



10 



18 



3 



S. 84 



6 W. 



.59 



S. 54i W. 



.16 



109 



70° to 



Autumn 



23 



51 



10 



30 



16 



34 



14 



41 



30,107 



73 



138 



92 



207 



92'145 



39 



N. 81 



38 W. 



.44 



N. 33 E. 



.04 



381 



75° E. 



Winter 



39 



71 



5 



35 



12 



24 



6 



58 



23105 



49 



219 



99 



184 



90 204 



41 



N. 76 



W. 



.45 



N. 15^ E. 



.08 



421 





The year' 



















... ... 













... 





N. 85 



58 W. 



.46 







1063 



57. Long. 



Spring 



23 



35 



i'l 



"7 



1 



8 



"6 



24 



25 96 



22 



67 



41 



94 



41 



77 



"7 N. 86 



w. 



.43 



N^'ei' "e. 



.06 



195 



Summer 



30 



35 



3 



14 



2 



6 



8 



24 



27 130 



71 



140 



102 



160 



92 



85 



12 S. 89 



17 W. 



.56 



S. 82i W. 



.08 



314 



75° to 



Autumn 



13 



29 



13 



15 



12 



11 



21 



44 



22194 



90159 



112 



184 



77 



128 



C 



S. 81 



30 W. 



.52 



S. 24-i W. 



.lOi 



377 



80° E. 



Winter 

 The year' 

 Spring 



32 



77 



13 



30 



5 



33 



13 



52 



44 



99 



70 215 



77 



143 



54 



193 



25 



N. 84 

 N. 89 



12 W. 

 38 W. 



.42 

 .48 



N. 57 E. 



• 07 



398 

 1284 





25 



19 



6 



9 



"9 



16 



"4 



27 



19 



22 



"e 49 



15 



43 



23 



55 



"4 



n! 68 



1 w! 



.29 



n! "55' E. 



.2'i 



117 



58. Long. 



Summer 



11 



6 



1 



3 







6 



2 



7 



7 



46 



20 50 



24 



31 



13 



25 



3 



S. 75 



59 W. 



.56 



S. 40 W. 



.16 



85 



80° to 



Autumn 



14 



20 



3 



5 



11 



4 



11 



19 



14 



41 



36 93 



33 



98 



35 



59 



3 



N. 86 



57 W. 



.51 



N. 62 W. 



.07 



166 



85° E. 



Winter 

 The year' 



12 



29 



11 



15 



5 



17 



10 



35 



... 



11 



71 



41 146 



51 



78 



27 



80 



10 



S. 83 



44 W. 

 22 W. 



.45 

 .44 



S. 13 W. 



.04 



216 

 584 



...| ... 

















' C 



/Om 



}ute 



dfr 



nm the 



resultan 



ts for th 



e seasons. 





1 



