SEVENTEENTH ANNUAL YEAR BOOK— PART X 



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at Postville, and the least, 1.41 inches, at Oilman. The greatest amoxmt 

 in 24 consecutive hours, 4.32 inches, occurred at Postville, on the lst-2d. 



Wind. — The prevailing direction of the wind was from the northwest. 

 The highest velocity reported from a regular Weather Bureau station was 

 60 miles an hour, from the northwest, at Sioux City, on the 2 2d. 



Sunshine and Cloudiness. — The average per cent of the possible amount 

 of samshine was 68, or about 1 per cent more than the normal. The per 

 cent of the possible amount at the regular Weather Bureau stations was 

 as follows: Charles City, 53; Davenport, 70; Des Moines, 74; Dubuque, 

 70; Keokuk, 70; Sioux City, 65; Omaha, 60. 



Miscellaneous Phenomena. — Dates of: Hail, 1st, 7th, 13th, 14th, 15th, 

 16th, 17th, 22d, 29th; Thunderstorms, all except the 5th and 30th. A 

 lunar rainbow was observed at Des Moines on the 15th. 



Rivers. — The Mississippi River at Dubuque was moderately high during 

 the first half of the month, with a maximum stage of 15.6 feet on the 5th. 

 A rise of 3.2 feet from the 1st to the 5th resulted from the great storm 

 of the 1st. After the 5th there was a steady fall through the month, 

 with a stage of 9.8 feet on the 30th. At Davenport the river rose 

 steadily during the first decade, reaching a stage of 13.0 feet on the 10th, 

 11th and 12th, after which time it fell steadily until the end of the month. 

 On the 30th the stage at Davenport was 8.6 feet. At Sioux City the Mis- 

 souri River rose to near flood stage by the close of the month, 



COMPARATIVE DATA FOR THE STATE— JUNE. 



