566 



TWENTY-THIRD ANNUAL YEAR BOOK— PART VIII 



lows: Charles City, 43; Davenport, 72; Des Moines, 64; Dubuque, 67; 

 Keokuk, 72; Sioux City, 55; Omaha, Neb., 68. 



Miscellaneous Phenomena. Aurora: 5th, 6th, 24th. Fog, dense: 4th, 

 10th, 12th, 16th, 21st, 28th, 30th, 31st. Hail: 4th, 31st. Halos (Lunar or 

 Solar) : 4th, 8th, 10th 11th, 17th, 18th, 19th, 29th. Parhelia: 5th, 19th. 

 Sleet: 3d, 4th, 14th, 29th, 30th, 31st. Thunderstorms: 4th, 5th. 



Rivers. Low to moderate stages prevailed on the Missouri River, with 

 considerable fluctuation due to ice gorges. Low and nearly stationary 

 stages prevailed on the Mississippi and all interior rivers during the entire 

 month. The ice on the Mississippi and interior rivers increased gradually 

 till the end of the month. 



COMPARATIVE DATA FOR THE STATE— JANUARY 



T. indicates an amount too small 

 tion and less than .05 inch snowfall. 



to measure, or less than .005 inch precipita- 



FEBRUARY 



February, like January, was subject to a large number of sudden 

 temperature changes, but on the whole a very pleasant month with no 

 periods of cold weather of long duration. The temperature averaged 

 above normal except over a small area in the northwest corner and the 



