6 



IOWA DEPARTMENT OF AGRICULTURE 



Wind. — Northwest winds prevailed. The highest velocity reported 

 was 60 miles per hour from the northwest, at Sioux City, Woodbury 

 county, on the 15th. 



THE WINTER OF 1909-1910. 



The mean temperature for the three winter months was 17.0°, which 

 is 4.5° below the normal for the state. The highest temperature reported 

 was 60° at Keosauqua, Van Buren county, on December 1st. The lowest 

 temperature was 35° below zero at Elkader, Clayton county, on January 

 7th. The average monthly precipitation for the state was 1.40 inches and 

 the average total precipitation was 4.21 inches, or .88 inches above the 

 winter normal. The average total snowfall, unmelted, was 30. 3 inches, 

 or 11.0 inches more than for the winter of 1908-1909. The average num- 

 ber of days on which .01 inch or more of precipitation was reported was 

 20 or 6 more than the average for the winter of 1908-1909. 



The average number of clear days was 37; partly cloudy, 20; cloudy, 

 33; as compared with 35 clear, 20 partly cloudy and 35 cloudy during the 

 winter of 1908-1909. 



AVERAGE WINTER TEMPERATURE FOR IOWA. 

 In Degrees Fahrenheit. 



Decem- 

 ber 



January 



Febru- 

 ary 



Winter 

 Min. 



1890-1 

 1891-B 

 1892-3 

 1893-4 

 1894-5 

 1895-6 

 1896-7 

 1897-8 

 1898-9 

 1899-0 

 1900-1 

 1901-B 

 lflO>-3 

 1903-4 

 1901-5 

 1905-6 

 1906-7 

 1907-8 



1909-0 



Means. 



24.1 



26.0 

 15.3 

 9.3 

 19.3 

 13.6 

 23.4 

 17.2 

 23.4 

 19.8 

 25.6 

 23.7 

 22.4 

 23.0 

 14.0 

 11.2 

 24.6 

 18.8 

 24.9 

 21.2 

 18.1 



19.7 



19.4 

 28.1 

 16.4 

 19.7 

 16.4 

 27.4 

 24.7 

 24.2 

 12.2 

 14.8 

 17.5 

 17.6 

 19.8 

 14.8 

 12.8 

 23.6 

 25.0 

 24.3 

 26.2 

 17.8 



20.1 



24.8 

 25.2 

 14 .9 

 20.3 

 20.0 

 25.4 

 24.2 

 21.9 

 16.? 

 21.0 

 22.7 

 20.2 

 21. • 



ia.i 



15.8 

 25.1 

 23.2 

 26.1 

 24.9 

 17.0 



21.8 



MARCH. 



March, 1910, will be long remembered as having furnished more pleas- 

 ant weather than any other March in the history of the state. It was the 

 warmest and driest March on record. It gave the largest amount of 

 sunshine; the least number of cloudy days; the least number of days with 

 appreciable precipitation; the least number of days with freezing tem- 

 perature; and less snowfall than any other March since State-wide oh- 



