IOWA WEATHER AND CROP REPORT 583 



Precipitation. The average precipitation for the State, as shown by the 

 records of 99 stations, was 1.82 inches, or 2.56 inches less than the nor- 

 mal. By divisions, the averages were as follows: Northern, 1.67 inches, or 

 2.76 inches less than the normal; Central, 1.34 inches, or 2.98 inches less 

 than the normal; Southern, 2.46 inches, or 1.93 inches less than the nor- 

 mal. The greatest amount, 7.19 inches, occurred at Corning, and the 

 least, 0.28 inch, at Iowa City. The greatest amount in 24 consecutive 

 hours, 3.20 inches, occurred at Corning on the 30th. 



Wind. The prevailing direction of the wind was from the southwest. 

 The highest velocity reported from a regular Weather Bureau station was 

 67 miles an hour, from the south, at Sioux City on the 8th. 



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

 of sunshine was 75, or 6 per cent above the normal. The per cent of the 

 possible amount at the regular Weather Bureau stations was as follows: 

 Charles City, 74; Davenport, 82; Des Moines, 74; Dubuque, 70; Keokuk, 

 81; Sioux City, 61; Omaha, Nebr., 81. 



Miscellaneous Phenomena. Fog: 2d, 3d. Hail: 4th, 5th, 9th, 10th, 12th, 

 13th, 15th, 18th, 25th, 26th. Halos (lunar and solar) : 1st, 4th, 10th, 14th, 

 16th, 24th. Strong Winds: 4th, 5th, 6th, 8th, 12th, 13th, 15th, 18th, 22d, 

 23d, 24th. Thunderstorms: all days during the month except on the 1st, 

 2d, 3d, 4th, 7th, 17th, 21st, 23d, 29th. 



Rivers. Low, gradually falling stages prevailed on the Mississippi 

 River till the middle of the month, after which nearly stationary stages 

 prevailed. Low and nearly stationary stages prevailed on all interior 

 rivers. A moderate rise occurred on the Missouri River at the beginning 

 of the month and a general rising tendency prevailed most of the time. 



