206 



WINDS OF THE GLOBE. 



( Nos. 54 to 51.) 



Northern Michigan. — Continued. 





Relative Prevalence of Winds from the 







i'nfcTs. 1 





DiFFEBENT POINTS OP TUU (JOMPASS. 





1-S 







W 





W 





,^ 





.i 







"s's^ 







Kind of 



Time of 





%* 





s>JJ 





i^ 





aJi 



. 



Direction of 



^'o 







observation. 



the year. 





o^ 





utfl 





o'/2 





o^' 



"« 



resultant. 



o c 



Direction. 









A 



Wg 



*: 



wS 



^ 



^l 



i, 



^ ° 



e1 





o ^ 





g 







% 



iiB 



1 



ml 



m 



mi 



^ 



^l 



o 





«*" 





s 



c S 



[-! Spring 



44 



63 



8 



37 



17 



33 



23 



23 





N. 22°48'E. 



.154 



N. 65° E. 



.18 





No. of Summer 



32 



41 



10 



75 



47 



61 



61 



59 





S. 47 46 W. 



.136 



South. 



.16 



■S to 



observa- ^ i Autumn 



43 



82 



25 



64 



47 



105 



124 



135 





N. 79 45 W. 



.266 



S. 82 W. 



.16 



's s 



tions. Winter 



93 



64 



11 



49 



44 



44 



51 



66 





N. 28 22 W. 



.188 



N. 6J E. 



.10 



"" >^^ 



[ The year* 





















N. 55 51 W. 



.118 







"rt D .^ 



r Spring 

 -, , Summer 

 N°.-°f 'Autumn 

 ™"'^^- : Winter 



861 



ei'i 



88 



646 



54 



326 



135 



173 





N. 36 53 E. 



.29 



N. 75 E. 



.24 



"2 ^ S 



186 



362 



28 



506 



189 



324 



176 



446 





S. 77 25 W. 



.03i 



S. Sj^ E. 



.18 



■fe.S- 



7575 



1063 



251 



602 



423 



1388 



1757 



2828 





N. 63 6 W. 



.40 



N. 87 W. 



.29 



2149 



1141 



92 



794 



462 



695 



585 



955 





N. 7 51 W. 



.31 



N. 8iE. 



.14 



S 1; rt 





The year3 





















N. 23 1 W. 



.23 







"=1 



Mean r 

 velocity J 



Spring 



19'.'57 



9.70 



11.00 



17'.'43 



3.18 



9.88 



5'.87 



7.52 















Summer 



5.81 



8.80 



2.80 



6.75 



4.02 



6.35 



3.45 



7.56 















in miles 1 

 per hour. [ 



Autumn 



17.60 



12.96 



10.04 



9.41 



9.00 



13.22 



14.17 



20.95 













S ,a 



Winter 



23.11 



17.83 



8.36 



16.20 



10.50 



16.80 



11.47 



14.47 















r Spring 



355 



721 



285 



488 



626 



501 



500 



784 



248 



N. 60 36 W. 



.08i 



N. 6U E. 



.13 



i. 



Q,„f„„ Summer 



279 



520 



266 



484 



663 



843 



632 



798 



254! S. 65 20 W. 



.19i 



S. 12| E. 



.06 



1 



burface J 

 winds. 



Autumn 



320 



602 



215 



403 



563 



969 



655 



1033 



195 S. 85 34 W. 



.23 J 



N. 86 W. 



.04 





Winter 



395 



461 



178 



341 



540 



887 



635 



912 



149 S. 85 13 W. 



.28 



S. 89i W. 



.09 



o 1 





Tlie year' 





















S. 83 53 W. 



.19 







a! '^ 





Spring 



48 



31 



12 



30 



17 



39 



79 



85 





N. 60 6 W. 



.38 



N. 61i E. 



.16 



'^ 



Motion 



Summer 



42 



35 



24 



62 



23 



94 



151 



119 





N. 84 4 W. 



.44^ 



S. 16 E. 



.08 



i^ 



of 



Autumn 



75 



59 



20 



80 



42 



104 



210 



203 





N. 74 26 W. 



.4l' 



S. 85 E. 



.07 



N « 



clouds. 



Winter 



17 



8 



2 



10 



13 



38 



87 



78 





N. 78 41 W. 



.70 



N. 85 W. 



.22 



■s! 





The yeai-s 





















N. 75 52 W. 



.48 







« a 





Spring 



403 



752 



297 



518 



643 



640 



579 



869 



248 



N. 60 27 W. 



.10 



N. 66^ E. 



.13 



SJ'5 



The two 



Summer 



321 



555 



290 



536 



686 



937 



783 



917 



254 



S. 71 42 W. 



.21 



S. 5i E. 



.06^ 



if =4 



com- ■ 



Autumn 



395 



661 



235 



483 



605 



1063 



865 



1236 



195! N. 84 3 W. 



.26 



N. 59i W. 



.05^' 





bined. 



Winter 



412 



469 



180 



361 



563 



925 



722 



990 



149; S. 87 7 W. 



.29 



S. 81 W. 



.08 



to 



^ 



The year* 



... 

















... jS. 89 44 W. 



.20i 







■ Including also Marquette. 



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





Spring. 



Summer. 



Autumn. 

 14.51 



Winter. 



The year. 



Average velocity of all winds in miles per Lour .... 



10.79 



6.06 



16.29 



11.91 



Velocity in mean direction, on the supposition that the winds from every 













point of the compass move with the foregoing average velocity . 



1.66 



.82 



3.85 



3.06 



1.41 



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













points of the compass each their own average velocity, as shown in 













the table above ... . . .... 



3.10 



.22 



5.83 



5.06 



2.76 



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



+1.44 



—.60 



+ 1.98 



+2.00 



+1.34 



» Computed from the resultants for the seasons. 



(Nos. 58 to 61.) Manitoba, south of latitude 50°, and Canada West, north of latitude 45° 



Observed as follows : — 



Place of observation. 



By whom observed. 



Aggregate 



length of 



time. 



Date. 



Abbitibbe Post, New Britain, 

 Keiiogumissee, " " 

 Michipicoten, Canada West, 

 Winnipeg, New Britain, 



.Tames Lockhart, 



Thomas Richards, 



,Iohn Swaustou & C. Rankin, 



James Stewart, 



yrs. mos. 



1 4 

 4 10 

 9 



1868 and 1869. 



1860 to 1863 inclusive. 



1847 and 1860 to 1866 inclusive. 



1869. 



