272 



WINDS OF THE GLOBE. 



(Nos. 71 aud 72.) Southwestern Iowa. 



Observed at the following places, viz.: — 



Clarinda, by S. H. Kridelbaugh, M.D., during January and December, 1805, and February, 1866. 

 Fonlanelle, by A. F. Bryant, for au aggregate period of over 3^ years, in the years 1866 to 1869 

 inclusive. 



Fori Croghan, by post surgeons, during nine months of the year 1843. 



St. Mary's, by D. E. Read, for an aggregate period of six months in the years 1853 and 1854. 

 Whitesboro, by David K. Witter, from December, 1867, to April, 1868, inclusive. 

 Woodbine, by H. Wady, from May to September inclusive, in the year 1868. 







Relativk Pbkvalknce op Wl 



VDS PROM THE 











Monsoon 







Different Points of the 



Compass. 











"5 ? 



influences. 





W 





f^ 





^ 





•^ 









Kind of 



Time of the 





i>Ji 





iijj 









Oif. 



■ 



1 



iren 



ion of 



o 3 







obaervatione. 



year. 



.d 





, 



° a 



.d 



■s 





o 2 





resu 



Itant. 



° 3 



Direction. 



i 



















^ 























Z 



«i 



W 



mZ 



m 



mC 



'^C 



o 













^ 



i.9 2 



mi 



Winter 



34 







17 



20 



5 



1 



1 



7 





N. 



53^ 



43' E. 



.190 







g-".^ \ 





Winter 



114 







13'? 



361 



?,fi 



?,?, 



?, 



14 





S. 



64 



20 E. 



.409 







•c-S^ 



































cg^-S 



ii:^] 



Winter 



3.35 







7.76 



18.05 



5.20 



3.14 



2.00 



2.00 

















r^ rn 



^^-■3j 



































i. 





Spring 



191 



166 



132 



171 



200 



155 



84 



238 



109 



JN. 



10 



19 E. 



.03 









u • 



Summer 



92 



77 



129 



232 



484 



194 



90 



131 



175 



S. 



2 



54 E. 



.34 







Ji 



■-2 a J 



Autumn 



101 



56 



34 



116 



307 



112 



73 



250 



173 



S. 



48 



57 W. 



.19 







<►. a 



m ^ 



Winter 



222 



115 



95 



179 



258 



164 



140 



316 



183 



N. 



81 



33 W. 



.11 







i.-S 





The year2 





















S. 



28 



25 W. 



.12 









» r 



Spring 



29 



27 



42 



20 



40 



45 



63 



51 







S. 



88 



8 W. 



.17* 







sZ 



.2 a 

 * 1 



Summer 



25 



17 



9 



37 



85 



94 



47 



55 







s. 



45 



57 W. 



.40 







s« 



Autumn 



16 



7 



9 



6 



36 



33 



22 



58 







s. 



88 



38 W. 



.36A 







s « 





Winter 



22 



17 



14 



17 



22 



48 



65 



61 



N. 



84 



57 W. 



.39 







M a 



= I 



The year2 



















... S. 



78 



7 W. 



.31 







SP-o f 



Spring 



220 



193 



174 



191 



240 



200 



i47 



289 



109 N. 



46 



48 W. 



.04 



N. 28° E. 



.14 







Summer 



117 



94 



138 



269 



569 



288 



137 



186 



175 S. 



6 



49 W. 



.33 



S. 14 E. 



.24 



^> 



.^ gs 1 



Autumn 



117 



63 



43 



122 



343 



145 



95 



308 



173 S. 



57 



45 W. 



.20 



S. 82i W. 



.07 



g 



^li 1 



Winter 



244 



132 



109 



19fi 



280 



212 



205 



377 



183 N. 



82 



48 W. 



.15 



N. 25 W. 



.12^ 



L 0-" I 



The year^ 



















... S. 



44 



7 W. 



.14 







' P'rom this table we obtain t 



he following summary of resu 



Its: — 











1 





Winter. 



Average velocity of all winds 



in miles per hour . 















7.37 



Velocity in mean direction on 



the supposition that the wind 



s from ev 



ery point of the coi 



npass 



move 





with the foregoing average 



velocity ..... 















1.40 



True velocity in mean direct 



on, giving to the winds from 



the sever 



il points of the co 



mpass 



each 





their own average velocity. 



as shown in the table . 















3.02 



Excess of the latter over the 



ormer . . . . . 















+1.62 



' Computed from the resulta 



uts for the seasons. 















(Nos. 73 to T7.) Minnesota, south of latitude 45°. 



Observed at the following places, viz. : — 



Afton, by Dr. B. P. Babcock, for an aggregate period of 34 months, in the years 1865, 1866, 1867 

 and 1869. 



Bowles Creek, by Andrew Stouffer, during the month of December, 1865. 



Chalfield, by T. P. Thickstun, for an aggregate period of 13 months, in the years 1860 and 1861. 



Danville, by Thomas A. Kellett, during five months of the year 1868. 



Fori Ridgely, by post surgeons, for an aggregate period of nearly 13 years, in the years 1853 

 to 1867 inclusive. 



Fori Snelling, by post surgeons, for an aggregate period of over 37^ years, in the years 1822, 

 1824 to 1858, and 1867 to 1869, both inclusive. 



