(Nos. 94 and 95.) 

 Observed as follows : — 



SERIES B. ZONE 11. LAT. 35° TO 40° N. 

 Western Tennessee. 



405 



Place of observation. 



Dover, 

 Friendship, 

 La Grange, 

 Memphis, 

 Mount Atlas, 



By whom observed. 



JB. F. Tavel, 



Dr. Robert T. Carter, 



J. R. Blake, 



R. Harris and others,' 



Mr. Travis, 



Aggregate 



length of 



time. 



1850. 

 1855. 

 1859. 



1854, 1859 to 1861, and 1867 to 18B9, all inclusive. 

 1843, 1844 and 1845. 



>^ \ 



ill I 



L 

 ^ f 



II ] 



Spring 



Summer 



Autumn 



Winter 



The year' 



Spring 



Summer 



Autumn 



Winter 



The year* 



Spring 

 Summer 

 Autumu 

 Winter 



Spring 



Summer 



Autumu 



Winter 



The year' 



Spring 



Summer 



Autumu 



Winter 



The year^ 



Spring 



Summer 



Autumn 



Winter 



The year' 



120 182 



52 154 



20 62 



14; 66 



5.45 3.71 

 3.06 3.42 

 5.00 7.20 

 7-00 3.30 



130 213 

 114 190 



36 418 



34 125 



38' 78 



12! 187 



2.574.06 

 3.403.12 

 2.24 2.60 

 2.00 4.79 



159 

 183 

 43 

 47 



1002 

 522 

 130 

 377 



103 

 65 

 31 

 32 



646 

 281 



6.33 6.27 

 2.37! 4.32 

 2.00, 3.16 



2.47 6.30 

 2.29 2.85 

 2.00^3.02 

 8.33!8.02:8.18,10.75 



316 

 192 

 212 

 273 



93 

 73 

 25 

 26 



231 



459 



1,30 



108 



394 



122 



98 



196 



63 



202 



268 



129 



30 



219 



13S 



21 



125 



79 



9 



53 



32 



12 



108 



87 



261 



678 



266 



129 



519 



201 



1(17 



249 



95 



214 



376 



216 



409 201 

 265 211 

 2.37, 92 

 299 115 









9 ? 



irection 



of 



So 









oE 



55^ 



28' 



W. 



.235 



65 



37 



W. 



.371 



6 



18 



E. 



.063 



31 



40 



W. 



.206 



50 



58 



W. 



.208 



27 



40 



w. 



. 353 



75 



52 



w. 



.327 



58 



42 



w. 



.355 



67 



26 



w. 



.356 



69 



47 



w. 



.304 



41 



43 



w. 



.20 



54 



35 



w. 



.21 



16 



1 



w. 



.05i 



42 



52 



w. 



.llrV 



52 



44 



w. 



• 12* 



65 



22 



w. 



.52 



78 



26 



w. 



.41 



48 



21 



w. 



.34 



64 



25 



w. 



.60 



64 



49 



w. 



.46 



51 



59 



w. 



.27 



62 



40 



w. 



.24i 



68 



55 



w. 



.05 



53 



10 



w. 



.18i 



59 



11 



w. 



.18 



S. 



83^° W. 



.04 



S. 



83 W. 



.18 



N 



67 E. 



.18 



S. 



50 E. 



.07 



S. 71 W. 



N. 8 E. 

 S. 79 E. 

 S. 62i W. 



S. 37|- W, 

 S. 73 W, 

 N. 45 E. 

 S. 39 E. 



' W. J. Tuck, M.D., Dr. Daniel F. Wright, R. W. Mitchell, M.D., and Edward Goldsmith. 

 ' From this table we obtain the following summary of results : — 



Spring. 



Summer. Autumn. "Winter. The year. 



Average velocity of all winds iu miles per hour 



Velocity in mean direction, on the supposition that the winds 



from every point of the compass move with the foregoing 



average velocity . . . 

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

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



ae shown in the table above ....... 



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



5.33 

 1.25 



1.88 

 +.63 



3.12 

 1.16 



1.02 

 -.14 



2.87 

 1.16 



1.02 

 — 14 



7.02 

 1.45 



2.50 

 +1.05 



4.58 

 .95 



1.39 



' Computed from the resultants for the seasons. 



