766 



lO'WA DEPARTMENT OF AGRICULTURE 



Miscellaneous Phenomena. — Thunder was heard at some place in the 

 State on every day of the month, except the 2d, 8th, 14th, 19th and 20th, 

 and hail fell on the 15th and 16th. 



Rivers. — As the result of heavy rains in Minnesota and Wisconsin in 

 June, the Mississippi River rose rapidly during the first half of the 

 month, reaching a stage of 14.4 feet at Dubuque on the 12th, and 10.6 

 feet at Davenport on the 13th. With three exceptions the stage at 

 Dubuque was the highest in July in 40 years. Steadily falling stages 

 prevailed at Dubuque after the 12th, and at Davenport after the 15th. 



COMPARATIVE DATA FOR THE STATE— JULY. 



1890 



]8M 



1892 



1893 



1894 



1895 



1896 



1897 



1898 



1899 



19(10 



1901 



1902 



1903 



1901 



1905 



1906 



1907 



1908 



1909 



1910 



1911 



1912 



1913 



1914 



Normals 



Precipitation 



5.00 

 8.20 



12.86 

 8.84 

 3.50 



10.10 



12.67 

 7.60 



12.88 

 8.66 



18.45 

 5.97 



13.. 57 



12.72 



11.97 

 7.08 

 7.05 



13.66 

 9.21 



12.20 

 5.69 

 6.62 

 7.56 

 6.23 

 6.50 



9.39 



Number of Days 



AUGUST. 



The hot and dry weather that prevailed during July continued until 

 the 18th of August, culminating on the 16th, 17th and 18th with high 

 temperatures and hot, dry winds. From the 19th to the close of the 

 month more favorable conditions obtained. The temperature was gen- 

 erally moderate and showers were more frequent. The 16th and 17th 

 were among the worst days ever experienced in Iowa. The tempera- 

 ture was near or above 100' degrees, with wind velocities ranging from 

 25 to 36 miles per hour, bright sunshine and extremely low humidity. 

 All vegetation, especially over the southern half of the state, suffered 



