SERIES B. ZONE 11. LAT. 35°TO40°N. 



433 



(No. 157.) Delaware, 



Southeastern Penn. and Southern N. Jersey. 





Gontinwed 







ReLATIVK PitliVALUNCE OF "WlNDS FROM THE 





2 









DlFFEKENT PoiMTS OF THE OoMPASS. 





11 



Influences. 





W 





H 





^ 





,&; 







Kind of 



Time of the 





iJd 





o^ 





^Ji 





£jd 



^ Direction of 



^H > 





observations. 



yo:ir. 





^^5 





t.K 





Sf5 





oZ 



^3 resultant. 



o"3 



Direction. 









H»i 



■i 



h'?. 



xz 



^t 



■g 



te- S 



- ^ 



E 3 



£ 







^ 



449 



W 



, > 



01-2 



m 





^ 



^& 



3 '1 



K 



^ 



rt 



" J, ^ r Spring 



243 



139 



232 



197 



580 



398 



837 



... N. 64° 0' W. 



.267^ N. 14' E. .03 1 





^S 1 



Summer 



175 



432 



162 



292 



284 



753 



352 



556 



... S. 76 13 W. .189; S. 23 K. 1.15 1 





"o '-p • 



Autumn 



2C4 



480 



149 



241 



221 



699 



421 



832 



... N. 70 5 W. .242i S. 70 E. j.02 | 



i sS 



K 1 



Winter 

 The year2 



211 



490 



113 



130 



108 



527 



617 



1019 



... N. 58 40 W. 

 ... N. 70 W. 



.392 

 .262 



N. 371 W- 



.14 



CO tS'-l 





Spring 



2602 



3267 



668 



1273 



1369 



3702 



3057 



9364 



... N. 51 42 W. 



.401 



N. 27 E. 



.07 



"S t^% 



■" tA 



Summer 



733 



1526 



653 



1267 



1294 



3977 



1613 



3308 



... S. 78 23 W. 



.268 



S. 20 E. 



.25 



ra ~ " ■. 



S J 



Autumn 



2156 



2663 



666 



1258 



163] 



4347 



2681 



7652 



... N. 63 29 W. 



.334 



S. 58i E. 



.05^ 



.S -^ in 



kS 



Winter 



1916 



2728 



527 



526 



553 



2732 



4840 



12445 



...'N. 52 44 W. 



.560 



N. 32 W. 



.18^ 



^.2S 





The year" 



















...'N. 59 40 W. 



.393 







J go 



■i'£i^ 



Spring 



10.75 



7.28 



4.815.49 



6.95 



6.38 



7.68 



11.19 













5 '-5 S 



!* n= o 



Summer 



4.19 



3.53 



4.034.3^ 



4.56 



5.28 



4.58 



5.95 

















Autumn 



8.17 



5.55 



4.47,5.22 



7.38 



6.22 6.37 



9.20 













l-H 



_S- o._ 



Winter 



9.085.57 



4.66 4.05 



5.12 



5.18 7.84 



12.21 













1 From this table we obtain the following snmmary of results: — ■ 





Spring. 



Summer. 



Autumn. 



Winter. 



The year. 



Average velocity, of all winds ill miles per hour 



8.23 



4.78 



6.97 



8.20 



7.04 



Velocity in mean direction, on the supijosition that the winds 













from every point of the compass move with the foregoing 













average velocity 



2.20 



.90 



1.69 



3.21 



1.85 



True velocity in mean direction, giving to tlie winds from the 













several points of the compass, each their own average velocity. 













as shown in the table above ....... 



3.30 



1.28 



2.33 



4.59 



2.77 



Excess of the latter over the former ...... 



+1.10 



+.38 



+ .64 



+1.38 



+ .92 



2 Computed from the resultants for the seasons. 



(Nos. 158 to 168.) Atlantic Ocean, longitude 25° to 15° west. 



Computed from observations for an aggregate period of over 18 years, collected and classified, 

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

 direction of Capt. M, E. Maury, Superintendent. 







Relative Pkevalence of Winds from the Different 



""** 



' 









Monsoon 



■^^^ 









Points of the Compass. 











G t/i 



influences. 



m 





































c 





Directio 



^ 



g> 







■3 



Place of ob- 



Time of 

































> 







If 





^o 1 









servation. 



tlie year. 



^ 





1? 





W 





If. 



m 



7J 



3 





02 





^ 





Is 



S 





resultant. 



OS 



3 



Direction. 



£ 



.0 



6 

 3 



° ^^ f 



Spring 



131 



95 



127 



72 



96 



44 



68 



1 



43133 



79 



195 



85 



125 



6013286 



44 



N. 



72= 



56 



W. 



.11 



S. li° w. 



.03 



538 



.S& 1 



Summer 



77 



41 



91 



43 



70 



27 



94 



51 



95 



73 



154 



60 



83 



22 43:31 



45 



S. 



13 



27 



W.' .15 j S. 18JE. 



.2U 



357 





Autumn 



76 40 



94 



47 



45 



27 



24 



26 



39 



21 



60 



23 



73 



41 



67:38 



23 



N. 



6 



52 



W. .17 



N. 37 E. 



.14 



254 



•^ gi^ 1 



Winter 



98 54 



53 



20 



44 



20 



33 



13 



53 



29 



78 



60 



94 



82 



139,56 



32 



N. 



54 



33 



W. .31 



N. 50 W. 



.19 



319 





The year' 

 Spring 

































N 



60 



3.-I 



W. 12 







1468 



° t^ r 



73'48 



76 



26 '49 



18 



57 



37 



60 



52 



112 



56 



123 



58 



92^51 



31 



N. 



82 



38 



w^ .19 



s. ee^E. 



.04 



340 



.S& 1 



Summer 



56 40 



74 



2452 



24 



39 



22 



85 



53181 



64 



84 



37: 67 22 



62 S. 



59 



25 



w. 



.21 



S. 17 E. 



.15i 



329 



S mJ. { 



Autumn 



38 24 



45 



1527 



11 



23 



18 



24 



7 



58 



44 



43 



44 67 



15 



23|n. 



64 



34 



w. 



.22 



N. 28i E. 



.06 



175 



" 1^: 1 



Winter 



34I13 



24 



10:10 



7 



17 



12 



28 



16 



25 



18 



60 



62 58 



26 



8 



N. 



65 



5 



w. 



.35 



N. 41 W. 



.14 



139 





The year' 

 Spring 



j 





























N 



79 



80 



51 



4S 



w 



''S 







983 





44 24 



33 



1419 



12 



9 



18 



31 



22 



67 



39 



67'43 50 



21 21 



N. 



w. 



.29 



N. 63i W. 



.04 



178 



.gp= ^ 



Summer 



49 22 



40 



9 19 



15 



19 30 



49 



45 



127 



69 



86;27 41 



17 30 



ri. 



65 



32 



w. 



.34 



S. 19i W. 



.18 



231 



g .o J 



Autumn 



34 26 



38 



15 17 



5 



21 IS 



33 



19 



34 



24 



3728 50 



16, ION. 



61 



43 



w. 



.17 



N. 62J E. Ml 



142 



'-' c ■-= 



Winter 



18 14 



23 



610 



19 



613 



10 



10 



32 



16 



40 40 55 



21 



6N. 



60 



30 



w. 



.31 



N. 9 W.,.12i 



113 



►J S 



The year' 

























... N. 



83 



35 



w. 



.25 







664 





■ Computed from the resultants for the seasons. 1 



55 April, 1875. 



