i IOWA DEPARTMENT OF AGRICULTURE 



for Iowa. By sections the mean temperatures were as follows: Northern 

 section, 14.5°, which is 1.7° below the normal; Central section, 18.1° 

 which is 1.1° below the normal: Southern section, 21.6°, which is 0.8° 

 below the normal. The highest monthly mean was 27.0°, at Keokuk, Lee 

 county, and the lowest monthly mean 11.8°, at Charles City, Floyd county. 

 The highest temperature reported was 56°, at Perry, Dallas county, on 

 the 10th; and at Stuart, Guthrie county, on the 26th; the lowest tempera- 

 ture reported was — 35°, at Elkader, Clayton county, on the 7th. The 

 average monthly maximum was 43°, and the average monthly minimum 

 was — 22°. The greatest daily range was 56°, at Iowa Falls, Hardin 

 county. The average of the greatest daily ranges was 37°. 



Precipitation. — The average precipitation for the state as shown by the 

 records of 121 stations, was 1.57 inches, which is 0.52 inch above the 

 normal. By sections the averages were as follows: Northern section, 

 1.48 inches, which is 0.66 inch above the normal; Central section, 1.60 

 inches, which is 0.50 inch above the normal; Southern section, 1.64 inches, 

 which is 0.40 inch above the normal. The greatest amount, 3.15 inches, 

 occurred at Sheldon, O'Brien County, and the least, 0.55 inch, at Washta, 

 Cherokee county. The greatest amount in twenty-four hours, 1.52 inches, 

 occurred at Lacona, Warren county, on the 11th and 12th. Measurable 

 precipitation occurred on an average of sis days. 



The average snowfall, unmelted, was 12.6 inches. By sections the 

 average was as follows: Northern section, 16.3 inches; Central section, 

 13.0 inches; Southern section, 12.6 inches. The greatest monthly snowfall, 

 26.5 inches, occurred at Elkader, Clayton county, and at Humboldt, Hum- 

 boldt county; and the greatest amount in 24 hours, 14.7 inches, occurred 

 at Humboldt. Humboldt county, on the 20th. 



Sunshine and Cloudiness. — The average number of clear days was 13; 

 partly cloudy. 7; cloudy, 11. The duration of sunshine was below the 

 normal, the percentage of the possible amount being 45 at Charles City; 

 44 at Davenport: 51 at Des Moines; 42 at Keokuk, and 43 at Sioux City. 



Wind. — Northwest winds prevailed. The highest velocity reported was 

 55 miles per hour from the northwest, at Sioux City, Woodbury County, on 

 the 20th. 



FEBRUARY. 



The weather during February was exceptionally pleasant, notwith- 

 standing the fact that the average temperature was below the normal. 

 The month opened with moderate temperature which continued until 

 the 5th, and was then followed by alternating periods of cold and warm 

 weather, with the coldest spell between the 22nd and 24th. The warmest 

 day was generally on the 1st in the northern district, and on the 14th 

 in the central and southern districts. There have been eight colder 

 Februarys during the past twenty years. In 1905, the average tempera- 

 ture was 5° lower than the average for the past month. The coldest 

 February during the past 20 years was in 1899 when the average tem- 

 perature was 12.2°. 



