EPIDEMICS. 



61 



Table VI. — Precipitation records, showing average monthly departure in inches from 

 normal in several States in 1903, 1904, and 1905. 



Month. 



Tex- 

 as. 



Okla- 

 homa. 



Kan- 

 sas. 



Mis- 

 souri. 



Ne- 

 bras- 

 ka. 



Iowa. 



South 

 Da- 

 kota. 



North 

 Da- 

 kota. 



Min- 

 ne- 

 sota. 



Wis- 

 con- 

 sin. 



Aver- 

 age. 





+0.47 

 +4.30 

 - .20 

 +1.4 

























+3.59 

 + .19 

 -5.7 



+0.64 

 + .22 

 -4.2 

 + .98 

 + .01 

 + .23 

 +4. 46 



+1.36 

 + .71 



+ '.41 



.00 



- .10 



+2.10 



















+0.70 



- .38 

 + .72 



- .43 



- .69 

 +3.62 

 -1.65 



+0.85 

 — .74 













January 



-0.18 



+0.23 



- .10 



- .39 



- .56 

 + .70 

 -2, 51 



- .50 



-3.13 



- .44 



-2.31 



- .77 



- .50 



-0.22 



- .15 



+4.4 



+ .36 



+2.13 



-2.38 



+1.50 



+5.64 



+ .80 



+6.01 

 +2 



+1.50 



-0.88 

 - .65 

 + .56 

 + .35 

 +1.43 

 -2.46 

 +2.20 



+ .55 



+ .07 



+1.17 

 + .35 



+2.20 







+ 4.05 +2.57 

 + .53-4- .50 



+ .09+ .18 

 - .531- .20 

 _ . 03 — - 70 











-1.90 



-1.54 

 +1.57 







+4.52 

 -1.52 



+1.10 

 -1.04 

 +1.55 



- .61 



- .08 



+1. 61 

 + .53 



+1.55 











July 













Departure from normal: 



Accumulative 



Average monthly 



Of 3 crop months— 



Accumu lative 



Average monthly 



Of month containing critical 

 period 



-8.65 

 -1.23 



+2.68 

 + .89 



-1.90 



+1.18 

 + .16 



+ .53 

 + .» 



+1.57 



+2.34 

 + .33 



+4.70 

 +1.23 



+4.46 



+3.79 



+ .54 



+2 

 + .66 



+2.10 



+ .89 

 + .12 



+1.28 

 + .42 



-1.65 



+2.64 



+ .37 



+2.97 

 + .99 



-1.52 



+0.46 

 + .06 



+2.06 

 + .68 



+ .78 











1904. 



October 



+0.11 

 -2.48 



- .92 

 -1.41 



- .08 

 -1.17 

 + .20 

























-1.99 

 -1.18 

 + .12 

 -1.07 



-1.08 

 - .47 

 + .23 



-0.04 

 -.61 



- .30 

 -1.03 



- .13 

 + .91 

 +1.86 



~ L 77 



- . t, 



+ .86 

 -1.34 



+ .89 

 +1.97 

 + .22 

















December 



-0.52 



- .12 



- .53 



- .5/ 



- .51 

 + .02 



- .74 



-0.88 

 + .21 



- .63 

 + .35 

 + .74 



- .35 

 -1.05 















-0.17 

 + .04 



- .99 



- .75 



- .23 

 + .43 



- .16 



-1.83 



- .26 



+ .04 

 + .01 



- .16 



-0.14 

 + .21 

 + .38 



- .17 



- .57 

 +1.74 



- .38 



+1.09 

 + .15 



+ .79 

 + .26 



-.38 



-0.31 

 + .10 

 + .05 



- -11 



- . to 



+ .05 



+ .44 



-1.25 



- .17 



- .26 



- .OS 



+ .44 



-0.71 



- .02 

 + .41 



- .80 

 + .17 



- .70 



- .72 



-2.37 



- .39 



-1.25 



- .41 



_ 72 









March 



















July . 













Departure from normal: 



Accumulative 



Average monthly 



Of 3 crop months- 

 Accumulative 



Average monthly 



Of month containing critical 



—5.55 



- .79 



-1.05 



- .35 



+ .20 



-5.44 



— .77 



-1.32 



- .44 



+ .23 



+ .66 

 + .09 



+2.63 



+ .87 



+1.86 



+ !09 



+3.08 

 +1.02 



4- 22 



-2.99 



- .42 



-1.25 



- .41 



-.74 



-1.61 



- .23 



- .66 



- .22 



-1.05 



-1.86 



- .26 



+ .07 

 + .02 



— .01 







1905. 



October 



November 



December 



January 



February 



March 



April 



May 



June 



July 



Departure from normal: 



Accumulative 



Average monthly 



Of 3 crop months- 

 Accumulative 



Average monthly 



Of month containing critical 

 period 



1+0.44 

 -1.46 



- .39 

 I- .67 

 + .81 

 +2.28 

 +3.44 



+4.45 

 + .63 



+6.53 

 +2.17 



+3.44 



5+1 



+2. 



89+1 

 63 + 



+1.38+ .45 



-2.09! 



- .67-0.39 



- .29+ .59 



- .54+ .06 



- .33+ .19 



. 03 



-4.47 

 - .63 



- .29 

 + .03 



+2.04 

 +1.24 



+4. 



+4.21 

 +1.40 



+1.24 



+0.15... 

 + .06+0.16 

 + .53- .12 

 + .20- .15 

 + .14-1.33 

 +1.82+3.37 

 +1 +2.40 

 +1.28 



+3.90 

 + .55 



+5.61 

 + .80 



+7.05 

 +2.35 



+1.28 



-0.25 



- .21 



- .15 

 -1.39 

 +1.18 

 + .68 

 +1.44 



+1.30 

 + .18 



+3.30 

 +1.10 



+1.44 



-0. 09 -0. 04 



- .18- .04 



- .29- .18 



- .93-1.11 

 +2.131+1.64 

 +2.39+3.20 

 + .59- .31 



+3.52+3.16 

 + .50:+ .45 



+5. 11 +4. 53 

 + 1.70+1.51 



+2.46 

 + .35 



+3.89 

 +1.29 



+1.05 



The precipitation records (Table VI) for this region for the seven 

 months preceding harvest and the plotted monthly mean departure 

 from normal (fig. 1) show that the precipitation in all the States 

 except Kansas and Missouri averaged slightly above normal in 1903 

 (A), was below normal in 1904 (B), and was again above normal in 

 1905 (C). In considering the three months before and during the 



216 



