SERIES B. ZONE 9. LAT. 45° TO 50° N. 



203 



(Nos. 48 to 49.) 



Eastern Minnesota. — Gontimied. 









Relative Prevalence op W 



INDS 



FROM THE 





















Different Points 



OF THE Compass 









S"^ 



influences. 



«- 











W 





W 





,^ 





-i 









9 ^ 







■a 



Kind of 



Time of 









aji 





S.^ 





S'if, 



. 



Direction of 



£ o 









obse 



vations. 



the year. 





r^ 













nii 



t.XJ 





resultant. 



-P 



Direction. 





^ 









ji 



wS 



IS 



W?, 



j3 



^t 



■s 



^% 



s'i 











t 



e 









^ 



^B 



w 





tc 



. > 



^ 



Isr 



d 







K 





P=, 



z 





r |- 



Spring 



71 



116 



146 



65 



148 



49 



175 



99 



129 



S. 



.50° 5' W.I. 01 



N. 53° E. 



.?,?, 



368 



o •;: 



S Ti 



SUIIJIIIBI- 



3a 



23 



46 



37 



196 



36 



116 



41 



17 S. 



25 42 W. i35 



S. 12 K. 



.18 



214 





Antinnn 



6 



2 



14 



12 



72 



27 



67 



66 



1 S. 



67 19 W. .44 



S. 83 W. 



,?,?, 



90 



^ S 



i^ 



Winter 



'Al 



32 



60 



20 



38 



86 



93 



40 



54 S. 



67 40 W. .20 



N. 2 E. 



.06+ 



181 



as 





The year' 



















... S. 



53 3 W. .24 







853 



f 



Spring 



21 



18 



52 



27 



48 



22 



77 



64 



... S. 



86 7 W. .16* 



N. 85 E. 



Ii5 



215 



a _ 



a-S 1 



Summer 



33 



11 



42 



21 



29 



45 



142 



15 



... S. 



78 33 W. .36 



S. 67 W. 



14 



153 



S « J 



■si i 



Autumn 



3 



1 



S 



6 



2 



14 



59 







... S. 



77 28 W. .62 



S. 72i W. 



.40 



90 



M « 



= ■3 1 



Winter 



3 



2 



12 



1 



1 







6 



2 



... N 



58 28 E. .29 



N. 70 E. 



.49 



90 



^ a 



•^ I 



The year' 





... 















... S. 



85 48 W. .22 







548 



<| 



to- r 



Spring 



92 



134 



197 



92 



196 



71 



252 



163 



129 S. 



81 20 W. .04^ 



N. 60 E. 



,21 





o -3 S 



Summer 



65 



34 



88 



58 



225 



81 



258 



56 



17 ,S. 



46 4 W. .32 



S. 2 W. 



11 





^11 



Autumn 



9 



3 



22 



18 



74 



41 



126 



66 



1 S. 



70 38 W. .48^ 



S. 79 W. 



,24 







Winter 



30 



34 



72 



21 



39 



86 



'.19 



42 



54 S. 



68 32 W. .18 



N. 50 E. 



.08 







L 5,§ [ 



The year' 



















... S. 



1 



63 11 W. .25 

















Computed from tl 



e res 



nltan 



ts for 



the seasons. 







(Nos. 50 and 51.) Northern and Northeastern Minnesota. 



Observed as follows : — 







Aggregate 





Place of observation. 



By whom observed. 



length of 



Date. 



Beaver Bay, 



H. and C. Wieland, 



yrs. mos. 

 10 3 



1859 to 1869 inclusive. 



Burlington, 



A. A. Hibbard, 



3 1 



1857 to 1860 inclusive. 



Cass Lake, 



A. Barnard, 



6 



1852 and 1853. 



Fond du Lac, 



Rev. Jos. W. Holt, 



1 2 



1849 and 1850. 



Lake Winnehigashish, 



Rev. B. F. Odell, 



6 



1856 and 1857. 



Sandy Lake, 



Samuel Spates, 



2 4 



1850, 1851 and 1852. 







Relative Prevalence of Winds from the 











Different Points op the Oompass. 





°r3 

 3? 





w 





a 





tej 





if* 





Kind of observations. 



Time of the 





0.*! 





iii 









OJ^. 





Direction of 



£0 





year. 





S^ 





>-ai 







Sa" 



K..O 



resultant. 



oS 









w's 



"m 



bS 



J3 

 3 



^S 



» 



^t 



s« 





.2" 







K 



•is. 



W 



ojB j m 



m^ 



^ 



•Rh 



D 





« 



rtii 





Spring 



24 



13 



3 



2£ 



21 



16 



7] 14 





S. 13°.32'E. 



.05 



•a B S t-: 



No. of observations. I 



Autumn 



13 



4 



2 



£ 



18 



2 



4' 12 



... 



S. 61 31 W. 



.0385 







Winter 



47 



10 



7 



3f 



36 15 



29 



39 





N. 73 43 W. 



.1104 



( 



Spring 



94 



50 



8 



14C 



102 44 



32 



54 





S. 32 27 E. 



.13 



No. of Miles. \ 



Autumn 



44 



8 



14 



2S 



109 4 



18 



32 





S. 30 8 W. 



.18^ 



50. Surf 



' Lake W 



ish' iu 



1856 a 



1 



Winter 



132 



55 



18 



30t 



159! 60 



196 



199 





S. 44 55 W. 



.12" 



Mean velocity in J 

 miles per hour. j 



Spring 



Autumn 



Winter 



3.92 

 3.38 

 2.81 



3.85 

 2.00 

 5.50 



2.67 

 7.00 

 2.57 



5.6C 

 3.11 



7.85 



4.86; 2.75 

 6.06' 2.00 

 4.42 4.00 



4.57 

 4.50 



6.76 



3.86 

 2.67 

 5.10 









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







Spring. 1 Autumn. W 



nter. 



Average velocity of all winds in miles per hour 



4.26 



4.02 5 



.07 



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







the compass move with the foregoing average velocity 



.21 



.15 .56 



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 



.54 



.75 .62 



Excess of the latter over the foi-mer . . . . 



+.33 



+ .60 +.06 



