600 TWENTY-THIRD ANNUAL YEAR BOOK— PART VIII 



greatest amount, 0.97 inch occurred at Wescott, and the least, a trace 

 at Cumberland, Glenwood, Harlan and Thurman. The greatest amount 

 in 24 consecutive hours, 0.71 inch occurred at Humboldt, on the 14th. 



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

 of sunshine was 50, or 2 per cent greater than the normal. The per cent 

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

 follows: Charles City, 51; Davenport, 42; Des Moines, 59; Dubuque, 40; 

 Keokuk, 46; Sioux City, 52; Omaha, Nebr., 58. 



Snoicfall. The average snowfall for the State was 2.2 inches, or 4.0 

 inches less than the normal. The greatest amount 8.0 inches, occurred 

 at Milford, and the least was a trace at Bonaparte, Clarinda, Cumberland, 

 Glenwood, Harlan, Keosauqua, Stockport and Thurman. 



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

 The highest velocity reported from a regular Weather Bureau station was 

 at the rate of 46 miles per hour, from the northwest, at Sioux City, on 

 the 11th. 



Miscellaneous Phenomena. Aurora: 17th. Fog: 4th, 7th, 8th, 22d, 23d, 

 24th, 25th, 27th, 28th. Hail: 4th. Halos (Lunar and Solar): 1st, 17th, 

 25th, 28th, 29th, 30th, 31st. Sleet: 4th, 6th, 7th, 21st, 27th, 30th, 31st. 

 Thunderstorms: 4th. 



Rivers. Low stages prevailed on all rivers. There were sharp fluctua- 

 tions on the Missouri River and slight fluctuation on the Mississippi 

 due to ice gorges. The Mississippi River at Dubuque closed on the 13th 

 and remained frozen the rest of the month. The lowest stage of record 

 3.1 feet below the zero of the gage, probably due to the manipulation of 

 the dam, was recorded at Keokuk. 



