XINETEENTH ANNUAL YEAR BOOK— PART X 525 



ground was snow-covered 25 or more days in the extreme north-central 

 and northeast portions, and less than 10 days generally in the southern 

 tier of counties and northward over Clarke, Lucas, Madison, Guthrie, 

 Dallas and Greene counties. Snow covering was general at the close of 

 the month. 



Deficiencies of 1 inch or more in precipitation occurred in Kossuth 

 and Fayette counties; while excesses, mostly snow, extended from the 

 southwest to the east-central counties. 



Mild weather toward the close of the month improved fuel and trans- 

 portation conditions and corn began to move. Some corn remains 

 unhusked in the fields. Winter wheat is reported as small but promising 

 in the southeastern and uncertain in the southwestern portions of the 

 State. Large areas that remained ungerminated because of drought 

 last fall, are being watched with great interest. 



Pressure. The mean pressure (reduced to sea level) for the State was 

 30.06 inches. The highest recorded was 31.07 inches, at Sioux City, on 

 the 21st, and the lowest was 29.02 at Charles City on the 14th. The 

 monthly range was 2.05 inches. 



Temperature. The mean temperature for the State, as shown by the 

 records of 103 stations, was 23.0°, or 2.5° higher than the normal. By 

 divisions, three tiers of counties to the division, the means were as 

 follows: Northern, 19.3°, or 2.2° higher than the normal; Central, 

 23.1°, or 2.4° higher than the normal; Southern, 26.7°, or 3.1°, higher 

 than the normal. The highest monthly mean was 29.8° at Keokuk, and 

 the lowest monthly mean was 15.2° at Estherville. The highest temper- 

 ature reported was 70°, at Clarinda, on the 23d, and the lowest tempera- 

 ture reported was — 36°, at Washta, on the 4th. The temperature range 

 for the State was 106°. 



Humidity. The average relative humidity for the State at 7:00 a. m. 

 was 82 per cent, and at 7:00 p. m. it was 73 per cent. The mean for the 

 month was 78 per cent, or about 1 per cent lower than the normal. The 

 highest monthly mean was 84 per cent, at Charles City, and the lowest was 

 71 at Omaha, Nebr. 



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

 records of 111 stations, was 0.95 inch, or 0.20 inch less than the normal. By 

 divisions, the averages were as follows: Northern, 0.52 inch, or 0.39 inch 

 less than the normal; Central, 1.13 inches, or 0.07 inch less than the nor- 

 mal; Southern, 1.20 inches, or 0.15 inch less than the normal. The great- 

 est amount, 2.10 inches, occurred at Olin, and the least, 0.09 inch, at Algona. 

 The greatest amount in any 24 consecutive hours, 1.22 inches, occurred at 

 Monroe on the 8th. 



Snow. The average snowfall for the State was 6.0 inches, or 1.4 inches 

 less than the normal. The greatest amount, 14.5 inches, occurred at Glen- 

 wood, and the least, 0.5 inch at Keokuk. 



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

 The highest velocity reported from a regular Weather Bureau station was 

 51 miles an hour from the northwest at Sioux City on the 25th. 



