CLIMATIC CONDITIONS OF THE UNITED STATES. 



227 



T/LBhE 7. —Summation of normal daily indices of temperature efficiency for plant growth, 

 for the period of the average frostless season. (Plates 39 and 40.)— Continued. 



Station. 



Illinois: 



Cairo 



Chicago 



La Salle 



Peoria 



Springfield 



Indiana: 



Evansville 



Indianapolis 



Iowa: 



Charles City 



Davenport 



Des Moines 



Dubuque 



Keokuk 



Sioux City 



Kansas: 



Concordia 



Dodge 



Topeka 



Wichita 



Kentucky: 



Lexington 



Louisville 



Louisiana : 



New Orleans 



Shreveport 



Maine : 



Eastport 



Portland 



Maryland : 



Baltimore 



Washington, D. C. 

 Massachusetts: 



Boston 



Nantucket 



Michigan: 



Alpena 



Detroit 



Escanaba 



Grand Haven 



Grand Rapids ... 



Houghton , 



Marquette , 



Port Huron 



Sault Ste. Marie . . 

 Minnesota: 



Duluth 



Moorhead 



St. Paul 



o o 

 u 



a o 



.2 s " 



^a 2 



O S IH 



"• 3 > 



X OQ 0] 



691.8 

 479.6 

 496.3 

 535.8 

 562.7 



672.6 

 567.3 



403.1 

 519.6 

 514.3 

 503.6 



588.8 

 450.5 



575.8 

 589.6 

 607.5 

 650.8 



588.2 

 651.8 



1,077.3 

 921.0 



299.3 

 371.5 



635.9 

 602.6 



462.5 

 459.0 



310.1 

 448.5 

 319.7 

 412.3 

 450.4 

 323.8 

 304.7 

 385.0 

 276.1 



325.8 

 333.9 



428.7 



I 0) 



o 





a .3 



a -a 



o a 

 2 °^ 



^ a 



■^ o 

 ^ a 



to X 



+3 



r a 



« a.3 



9.37 

 9.54 

 9.58 

 9.52 

 9.50 



9.34 

 9.41 



9.69 

 9.56 

 9.58 

 9.58 

 9.40 

 9.65 



9.42 

 9.42 

 9.41 

 9.36 



9.50 

 9.43 



9.17 

 9.12 



8.71 

 9.63 



9.39 

 9.46 



9.55 

 9.28 



9.63 

 9.68 

 9.62 

 9.62 

 9.66 

 9.42 

 9.54 

 9.69 

 9.33 



9.35 

 9.84 

 9.66 



rt ^ O 



a-T3i: 



^—^ ay 



m a a; 



^ a 2 



.2 <° > 

 •5 =* a 



^ S ft « 



CM 



12,122 

 6,892 

 7,975 

 8,466 

 9,464 



11,879 

 9,441 



6,630 

 8,464 

 8,417 

 7,865 

 9,681 

 7,548 



10,206 

 10,308 

 10,546 

 11,563 



10,051 

 11,581 



19,323 

 17,023 



2,102 

 4,362 



10,457 

 10,087 



6,157 

 5,032 



3,277 

 6,622 

 3,472 

 5,283 

 6,687 

 3,147 

 3,019 

 4,884 

 2,322 



3,299 



4,283 

 6,230 



O *i 



,-1 1 



O O 



'■5 ^ 

 a- 

 §^ 



3 o 



--§ 



«.2 



<= ^ 



^ ft 



-a 

 a 



a^ 



(4-1 ® 



g1 



O HJ 



c3 in 



a § 

 ag 

 s.a 



1.82 

 1.51 

 1.68 

 1.66 

 1.77 



1.89 

 1.77 



1.70 

 1.70 

 1.71 

 1.63 

 1.75 

 1.74 



1.88 

 1.86 

 1.85 

 1.90 



80 

 89 



1.96 

 2.03 



0.80 

 1 .22 



1.75 

 1.77 



1.40 

 1.18 



1.10 

 1.53 

 1.13 

 1.33 

 1.54 

 1.03 

 1.04 

 1.31 

 0.90 



1.08 

 1.28 

 1.50 



17.5 

 14.4 

 16.1 

 16.1 

 16.8 



17.7 

 16.6 



16.5 

 16.3 

 16.4 

 15.6 

 16.4 

 16.8 



17.7 

 17.5 

 17.4 

 17.8 



17.1 

 17.8 



18.0 

 18.5 



7.0 

 11.7 



16.5 

 16.8 



13.3 

 11.0 



10.6 



14.8 



10.9 



12.8 



14.8 



9.7 



9.9 



12.6 



8.4 



10.1 

 12.8 

 14.5 



