102 IOWA DEPARTMENT OF AGRICULTURE. 



wind movement 210 miles. There were 156 clear days, 100 partly cloudy 

 and 109 cloudy days; as against 145 clear days, 111 cloudy and 109 partly 

 cloudy in 1902. 



MONTHLY SUMMARIES. 



January.— The monthly mean temperature for the State, as shown 

 by records of one hundred and five stations was 23.0°, which is 3.5° above 

 normal. By sections the mean temperatures were as follows: Northern 

 section, 19.8^; central section, 22.S°; southern section, 25.8°. The high- 

 est monthly mean was 27.8°, at Red Oak; lowest monthly mean, i7.o-, at 

 New Hampton. The highest temperature reported was 60°, at Belknap, 

 on the 1st; lowest temperature reported, 12% at Clear Lake, on the 11th. 

 The average monthly maximum was 46.7"; average monthly minimum, 

 6.2°. Greatest daily range, 45°, at Carroll; average of greatest daily 

 ranges. 32.1°. Average precipitation for the State, as shown by records 

 of 120 stations, was 0.28 inch which is .74 of an inch below normal. The 

 averages by sections were as follows: Northern section, .21; central 

 section. 29; southern section, .28. The largest amount reported was 1.46 

 inches, at Fort Madison; least amount reported, a trace, at Charles City, 

 Carroll, Cumberland. Afton. Atlantic, Thurman and Winterset. The 

 greatest daily rainfall reported was .70 of an inch at Danville on the 2d. 

 Average number of days on which .01 of an inch or more was reported, 4. 

 Prevailing direction of wind, northwest; highest velocity reported, 72 

 miles per hour, from the northwest, at Sioux City, on the 6th. Average 

 number of clear days. 13; partly cloudy, 7; cloudy, 11. 



February. — The monthly mean temperature for the State, as shown 

 by the records of 108 stations, was 19.8°, which is 0.2° below normal. By 

 sections the mean temperatures were as follows: Northern section, 

 17.2°; central section. 20.2°; southern section, 22.1°. The highest monthly 

 mean was 26.4° at Keokuk; lowest mean, 14.2°, at Estherville. The high- 

 est temperature reported was 56°, at Eldon, on the 2d; lowest tempera- 

 ture reported, 21°. at Clear Lake, Estherville and Sioux Center, on the 

 16th, 17th and 18th. The average monthly maximum was 45.7°; average 

 monthly minimum, 16.4°. Greatest daily range, 44°, at Villisca; average 

 of greatest daily ranges, 35.8°. Average precipitation for the State, as 

 shown by records of 120 stations, was 1.18 inches, which is .09 of an inch 

 above normal. The averages by sections were as follows: Northern sec- 

 tion, 1.02 inches; central section, 1.13 inches; southern section. 1.38 

 inches. The largest amount leported was 3.25 inches at Danville; least 

 amount reported, .30 of an inch, at Galva. The greatest daily rainfall 

 reported was 1.50 inches at Indianola, on the 4th. Average number of 

 days on which .01 of an inch or more was reported, 4. Prevailing direc- 

 tion of the wind., northwest; highest velocity reported. 52 miles per hour, 

 from the northwest, at Sioux City, on the 2Sth. Average number of 

 clear days. 13; partly cloudy. 7; cloudy, 8. 



March.— The monthly mean temperature for the State, as shown 

 bv records of 114 stations, was 38.8°, which is 6.6° above normal. By 



