640 IOWA DEPARTMENT OF AGRICULTURE 



COMPARATIVE DATA FOR THE STATE— MAT. 



TEAR 



Number of 

 Days 



1890 



1891 



1892 



1893 



1894 



1895 



1900 



1901 



1902 



1903 



1904 



1905 



1906 



1907 



1908 



1909 



1910 



1911 



1912 



1913 — 



1914 



1915 



1916 



1917 



1918 



1919 



1920 



95 



94 



3.56 

 3.18 

 8.77 

 3.45 

 1.87 

 3.19 

 6.69 

 1.92 

 4.67 

 6.23 

 3.31 

 2.35 

 5.39 

 8.55 

 3.78 

 5.95 

 3.54 

 3.48 

 8.34 

 4.34 

 3.41 

 3.76 

 3.33 

 6.24 

 3.31 

 7.34 

 4.93 

 3.87 

 6.87 

 3.11 

 3.26 



—1.01 

 —1.39 

 +4.20 

 —1.12 

 -2*. 70 

 —1.38 

 +2.12 

 —2.65 

 +0.10 

 +1.66 

 —1.26 

 —2.22 

 +0.82 

 +3.98 

 —0.79 

 +1.38 

 —1.03 

 —1.09 

 +3.77 

 —0.23 

 -1.16 

 —0.81 

 —1.24 

 +1.67 

 —1.26 

 +2.77 

 +0.36 

 —0.70 

 +2.30 

 —1.46 

 —1.31 



6.44 



7.10 

 12.64 



5.82 



4.77 

 i 5.79 

 11.79 



3.59 



7.82 

 ill. 47 

 I 6.98 



4.57 

 18.04 

 ,15.45 



8.15 

 110.83 

 10.72 

 I 7.68 

 14.33 



7.85 

 I 6.91 

 I 8.73 

 I 6.41 

 ilO.25 



6.90 



1.61 

 1.46 

 4.87 

 1.65 

 0.33 

 0.84 

 3.40 

 0.21 

 2.22 

 3.09 

 0.96 

 0.72 

 0.87 

 2.88 

 1.50 

 2.57 

 0.89 

 0.71 

 1.33 

 1.86 

 1.29 

 0.42 

 0.72 

 3.14 

 0.30 



T. 



























































1.0 







0.1 



T. 



0.7 











T. 



T. 



T. 



0.6 



T. 











T. indicates an amount too small to measure, or less than .005 inch precipita- 

 tion and less than .05 inch snowfall. 



JUNE. 



June temperature averaged above the normal, though there was a slight 

 deficiency in Jefferson, Wapello and Davis counties. There were four 

 alternate cool and warm spells. The coldest weather of the month oc- 

 curred at most stations on the 5th, and at a few stations in the northern 

 division there was light frost. The most protracted warm spell began 

 the latter part of the first week and continued till the first part of the 

 third week. The second week of the month was the warmest June week 

 since June 3-9, 1911, but humidities were 20 per cent lower than during a 

 similar hot period last year, with the result that diseases of small grains 

 were much less prevalent. 



Precipitation averaged below normal for the State but there was a slight 

 excess over the northern division and there were areas in the other two 

 divisions that had an excess. The amounts were well distributed through 

 the month but the greater portfon occurred in two or three heavy showers 

 over most of the State. The distribution as to amounts was uneven, sta- 

 tions relatively near each other showing wide positive and negative de- 



