SERIES B. ZONE 10. LAT. 40' TO 4 5° N. 



279 



(Nos. 8T to 89.) 





Northeastern Io"wa. — Continued. 

























Relative Prevalence of WiKna from the | 









Monsoon 









Different Points of the Compass. 



- 









influences. 







w" 





W 





,^ 





i^ 







1 







Place and 



Time of the 





ia 





ix^ 





^Ji 





.gji 



. 



Direction of 















kind of 



year. 









.a . 











•^ 



resultant. 



^S 



Direction, j 







observations. 





A 



^ 



° a 

 W S 



J3 



3 





*i 



s'S 





3 







1 









§. 



fel 



W 



^i 



7J 





^ 



^1 









« 







tu 







Spring 



281 



211 



176 



212 



244 



287 



264 



505 ... 



N. 61° 22' W. 



18 



S. 



86° E. 



08 





87. 



Summer 



112 



116 



87 



138 



198 



302 



330 



467| ... 



N. 88 34 W. 



.35 



S. 



54 W. 



14 





Fort i 



Autumu 



217 



135 



124 



116 



222 



241 



301 



444 ... 



N. 72 34 W. 



.28 



s. 



81 W. 



03 





Atkinson. 



Winter 

 The year2 



332 



177 



170 



172 



214 



157 



277 



497 ... 



N. 38 59 W. 

 N. 68 52 W. 



.23i 

 .25 



N. 



43 E. 



13 





a ^ 



^ J2 



Spring 



189 



218 



165 



333 



280 



327 



356 



472' Z 



S. 79 13 W. 



.150 











■" M 





Summer 



144 198 



90 



251 



405 



410 



2231 285 ... 



S. 38 26 W. 



.209 











S ■-' 



= '■§ ■ 



Autumn 



21« 162 



72 



254 



333 



358 



282 



428{ ... 



S. 74 36 W. 



.207 











52 





Winter 



321 218 



132 



280 



219 



318 



340 



629 ... 



N. 62 7 W. 



.217 











gS 



a 1 



The year2 

















... 



S. 77 40 W. 



.178 











03 '-' 



( 



Spring 



2349 



2508 



1364 



3314 



2716 



3324 



3654 



6385 ... 



N. 76 19 W. 



.191 











■ss 



o ™ 



Summer 



904 



1262 



396 



1683 



3496 



3364 



1575 



2383 ... 



S. 41 25 W. 



.269 











■« 2 ■ 



6 ~ . 



Autumu 



1953 



1320 



438 



1818 



2773 



3574 



2389 



4861 





S. 87 22 W. 



.265 











ii 



2 a 



Winter 



3592 



2000 



813 



2049 



1237 



2618 



3071 



6881 





N. 48 53 W. 



.329 













The year2 





















N. 84 6 W. 



.228 











ri 9 



B ^ r 



Spring 



12.'43 



ii'.'so 



8.27 



9'.'95 



d'lio 



lo'.n 



10.25 



is'.'ss 

















f" m 



'" id 



Summer 



6.28 



6.37 



4.40 



6.71 



8.63 



8.20 



7.06 



8.36 

















CO S 



f ^ ■ 



Autumn 



9.04 



8.15 



6.08 



7.16 



8.33 



9.98 



8.47 



11.36 



















rt S 



Winter 



11.19 



9.17 



6.16 



7.32 



5.65 



8.23 



9.03 



10.94 

















=° OT 



.s'g . 



The year 



































K ' 



Spring 



1623 



2218 



1452 



2769 



1730 



2081 



2001 



42801032 



N. 65 11 W. 



.09-1 











[» 



Summer 



1343 



1531 



1142 



2949 



2853 



3160 



1964 



31211544 



S. 39 6 W. 



.16i 











n 





Autumn 



1537 



1158 



939 



2446 



2432 



2515 



2129 



3997 1460 



S. 76 52 W. 



.18 











■§ 



Si'^ 



Winter 



1577 



1419 



899 



2305 



1798 



2181 



2302 



4691 



1276 



N. 75 40 W. 



.20 











m 





The year 



6080 



6326 



4432 



10469 



8813 



9947 



8396 



16089 



5312 



S. 82 50 W. 



.14 











:=! 





Spring 



383 



298 



221 



333 



288 



699 



1203 



1258 





N. 76 22 W. 



.42 











>f 



gi 



Summer 



377 



316 



189 



319 



370 



1061 



1626 



1431 





N. 84 28 W. 



.48* 











° 



w o . 



Autumn 



341 



206 



136 



329 



326 



746 



1214 



1257 





N. 82 13 W. 



.47 











rt 



3 "" 



Winter 



23b 



182 



104 



222 



183 



473 



108S 



940 





N. 78 9 W. 



.501 











o 



The year2 





















N. 80 22 W. 



.47 











^ 



M . (- 



Spring 



2006 



2516 



1673 



3102 



2018 



2780 



3204 



5538 



1032 



N. 66 13 W. 



.16 



N 



42^ E. 



.08 





bo 



"§ 9 



o IS ■ 



Summer 



1720 



1847 



1331 



3268 



3223 



4221 



359C 



4552 



1544 



S. 64 52 W. 



.21 



S. 



8 E. 



.09 





Autumn 



1878 



1364 



1075 



2775 



2758 



3261 



334S 



5254 



1460 



S. 85 W. 



.23 



S. 



48 W. 



.03i 





S 



S a Winter 

 . ^ § I The year2 



1813 



1601 



1003 



2527 



1981 



2654 



338£ 



5631 



1276 



N 76 27 W. 

 N. 89 5 W. 



.25 

 .20 



N 



36^ W. 



.07 





' From this table we obtain the following summary of res 



ults :— 









Spring. 



Summer. 



Autumn. 



Winter. 



The year. 





Average velocity of all winds in miles per hour 





10.95 



7.51 



9.05 



9.06 



9.14 





Velocity in mean direction, on the supposition that the wi 



nds 

















from every point of the compass move with the foregc 



ing 

















average velocity ........ 





1.64 



1.57 



1.87 



1.97 



1.63 





True velocity in mean direction, giving to the winds from 



the 

















several points of the compass each their own average veloc 



ity. 

















as shown in the table above 





2.09 



2.02 



2.40 



2.98 



2.09 





Excess of the latter over the former 





+.45 



+.45 



+ .53 



+1- 



01 



+.46 





' 2 Computed from the resultants for the seasons. 





