SUMMARY OF INSECT CONDITIONS DURING 1921. 



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Fig. 5. — Monthly departures from normal temperature for the fall of 1920, the winter 

 of 1920—21, and the growing season of 1921 in the region infested by the green bug 

 in 1921. (See also Table 3.) 



Table 3. — Monthly departures from normal temperature and rainfall for the 

 fall of 1920, the winter of 1920-21, and the groiving season of 1921 in the 

 region infested by the green bug in 1921. 



DEPARTURES (IN DEGREES FAHRENHEIT) FROM NORMAL TEMPERATURE. 





1920. 





1921. 

















Sept. 



Oct. 



Nov. 



Dec. 



Jan. 



Feb. Mar. 



Apr. 



Maj'. 



June. 



July. 



Aug. 



Sept. 



Kansas 



Oklahoma 



Texas 





+0.6 



+ -4 

 +1.8 



+3.8 

 +2.1 

 + -5 



-4.4 

 -4.2 

 -2.9 



+3.2 

 +2.0 

 + .5 



+6.9 

 +5.7 

 +5.7 



+9.0 +7.3 

 +8.1 +4.7 

 +3.6 +5.6 



+0.9 

 - .7 

 -1.8 



+2.4 

 +2.5 

 + .6 



+1.6 



- .6 



- .8 



+1.1 

 + .4 

 + .0 



+1.4 

 +2.1 

 +1-7 



+4.6 

 +5.0 

 +4.0 



Regional mean . 



+ -9 



+2.1 



-3.8 



+1-9 



+6.1 



+ 6.2 +5.8 



- .5 



+1.8 



+ -0 



+ .5 



+1.7 



+4.5 



111610- 



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