SERIES B. ZONE 11. L A T. 35° TO 40° N. 



403 



(Nos. 90 and 91.) 



Southwestern Illinois.- 



—Gontinued. 



















Agprregate 







Place of observation 



By whom observed. 



length of 

 time. 



Date. 





Jaoksouville, 



Rev. Z. K. Hawley & others,' 



yr^s. mos. 



1835 and 1858 to 1862 inclusive, except 1860. 1 



Jerseyville, 

 Lebauou, 





1 



1860. 



1859 to 1862 inclusive. 





Prof. N. E. Cobleigh, 



2 3 





Loamiui, 



Timothy Dudley, 



2 9 



1866 to 1869 inclusive. 





Manchester, 



John Grant and others,^ 



13 7 



1854 to 1869 inclusive, except 1859. 





MurraysviUe, 

 Pana, 





9 



1865. 

 1869. 





Thomas Finley, 



7 





Piasa Farms, 



William V. Eldridge, 



2 10 



1856, 1857, 1858 and 1859. 





Quiucy, 



Rev. G. B. Giddings, 



4 



1850. 





South Pass, 



Frank Baker and others,^ 



2 5 



1857, 1858 and 1866 to 1869 inclusive. 1 



Springfield, 



Geo. W. Brinkerhoff, 



5 



1865 to 1869 inclusive. 



1 



Upper Alton, 



P. P. Brown and others,' 



4 11 



1843, 1854 to 1857 inclusive, 1861, 1863 & 1864. I 



Waterloo, 



H. Kunster, 



2 7 



1865 to 1869 inclusive. 





Waverly, 



Timothy Dudley, 



3 6 



1862 to 1865 inclusive. 









Eelative Prevalemce of Wihds fkom the 







Mo 









DippEBEHT Points of the Compass. 





1? 



influences. 1 





W 





K 





> 





■ ^ 











Kind of 



Time of 





i^ 





iJd 





u 





5< 





Direction 



o<-. 









observations. 



the year. 





S^ 









gyj 





o^' 



«^ 



of resultant. 



■sa 



Direction. 









rd 



13 





° a 



.d 



. d 







O OJ 





^ 3 







. 









wg 



"^ 



wS 



^ 



^S 



% 



it 



s'S 





s S 







1 







§, 



^B 



W 



aj-C 



m 





^ 



^i 



o 





k" 







£ 



P 



( J,^ ( 



Spring 



140 



345 



94 



337 



270 



420 



30£ 



536 





S. 84° 5'W. 



.167 



N. 52 



E. 



.09 



'3 _^'- 



ts J 



Summer 



162 



244 



49 



309 



376 



703 



331 



480 





S. 60 8 W. 



.313 



S. 22 



W. 



.09 



3 ^ 





Autumn 



176 



264 



82 



371 



412 



597 



35C 



539 





S. 60 27 W. 



.254 



S. Hi E. 



.05 



Is^ 



° t i 



Winter 



206 



226 



88 



313 



276 



462 



441 



690 





N. 87 50 W. 



.287 



N. 32 



W. 



.09 



a £« 



The yeai'S 





















S. 73 4 W. 



.247 









CO C8 '-I 





Spring 



807 



1932 



439 



1536 



1632 



2937 



2233 



3255 





S. 85 5 W. 



.250 



N. 37^ E. 



.08 



15 ^1 



'- oi 



Summer 



614 



944 



163 



1002 



2046 



3738 



1625 



i2101 





S. 58 2 W. 



.404 



S. 20 



W. 



.14 



m aj eS 

 Tj "^ to ■ 



.2 J 



Autumn 



884 



1049 



230 



1460 



2527 



3035 



222C 



3355 





S. 70 12 W. 



.339 



S. 31 



W. 



.04 





^a 



Winter 



1511 



1101 



573 



1639 



2231 



2468 



2546 



4393 





N. 86 57 W. 



.294 



N. 4 



E. 



.10 



&J •■-' rH 



I 



The year* 





















S. 76 5 W. 



.308 









u Sjg 



'^ m C 



Spring 



5.76 



5.60 



4.67 



4.56 



6.04 



6.99 



7.2S 



6.07 















3 rt "^ 



>- g 



Summer 



3.79 



3.87 



3.33 



3.24 



5.44 



5.32 



4.91 



;4.38 















^m 



i^t \ 



Autumn 



5.02 



3.97 



2.80 



3.94 



6.13 



5.08 



6.31 



6.22 















d 



1-2 a J 



Winter 



7.33 



4.87 



6.51 



5.24 



8.08 



5.34 



5.7" 



6.37 















ro 



' ^ . f 



Spring 



1232 



1643 



826 



1832 



1843 



2176 



1811 



2990 



405 



S. 85 34 W. 



.15 









Ji 



Summer 



1285 



1679 



639 



2107 



2447 



3541 



149( 



2153 



839 



S. 42 2 W. 



.20 









O oj 



II 



Autumn 



1088 



1247 



541 



1989 



2222 



2763 



183C 



2818 



669 



S. 61 12 W. 



.20^- 









"S o 



3 ? 



Winter 



1152 



1183 



625 



1986 



2028 



2384 



2556 



3357 



459 



S. 78 36 W. 



.24 









'z « 



m [^ 



The yeai-5 





... 

















S. 65 40 W. 



.19 









a " 





Spring 



534 



495 



356 



535 



659 



1370 



1794 



1541 





S. 89 11 W. 



.38 



N. 1 



W. 



.04 



B ■^ 



Summer 



654 



573 



345 



583 



929 



1817 



1901 



1520 





S. 80 59 W. 



.37A 



S. 29 



E. 



.02 



a 



•^ O -j 



Autumn 



491 



402 



262 



502 



795 



1372 



1610 



1325 





S. 81 8 W. 



.39" 



S. 21 



W. 



.02 



.2 ^ 





Winter 



457 



370 



322 



532 



692 



1055 



1784 



1143 





S. 83 7 W. 



.37A 



S. 44 



E. 



.01 



11 





The year* 





















S. 83 38 W. 



.38 









S; .2 



bD . (- 



Spring 



1766 



2138 



1182 



2367 



2502 



3546 



3605 



4531 



405 



S. 87 40 W. 



.22^ 



N. 18 



E. 



.06 



6D? 



<5 > 



^.9 J 

 o 3 1 



Summer 



1939 



2252 



984 



2690 



3376 



5358 



3397 



3673 



839 



S. 61 1 W. 



.25 



S. 27 



E. 



.06 





Autumn 



1579 



1649 



803 



2491 



3017 



4135 



3440 



4143 



669 



S. 69 59 W. 



.27 



S. 22 



W. 



.03 



Ol 



III I 



Winter 

 The year* 



1609 



1553 



947 



2518 



2720 



3439 



4340 



4500 



459 



S. 80 20 W. 

 S. 74 35 W. 



.28 

 .25 



N. 55 



W. 



.04 



1 Prof. William Coffin and Timothy Dudley. ' Miss Ellen Grant and C. W. Grant. 





3 S. C. Spauldiug and H. C. Freeman. 





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







Spring. 



Summer. 



Autumn. 



Winter. 



The year. 



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



6.03 



4.58 



5.27 



6.09 



5.49 



Velocity in mean direction, on the supposition that the winds 













from every point of the compass move with the foregoing 













average velocity 



1.01 



1.43 



1.34 



1.75 



1.36 



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 



1.51 



1.85 



1.79 



1.79 



1.69 



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



+.60 



+.42 



+.45 



+ .04 



+ .33 



5 Computed from the resultants for the seasons. 



