SIXTH ANNUAL YEAR BOOK — PART II. 1 75 



section 38.3°, which is 8.7° above normal; central section 41.3", which 

 is 9.1° above normal; southern section 44.9°, which is 9.0° above 

 normal. The highest monthy mean was 47.2° at College Springs and 

 Sidney; lowest monthly mean, 35.9° at Cresco The highest tempera- 

 ture reported was 84° at Onawa on the 27th; lowest temperature 

 reported 1°, at Fayette, Grand Meadow, Osage and Ridgeway on the 

 11th. The average monthly maximum was 75.6°; average monthly 

 minimum, 19.5°. Greatest daily range. 58°, at Iowa City; average of 

 greatest daily ranges, 38.2°. Average precipitation for the state, as 

 shown by records of 132 stations, was 2.04 inches, which is .20 of an 

 inch above normal. The averages by sections were as follows: North- 

 ern section, 1.97 inches, which is .31 of an inch above normal; central 

 section, 2.23 inches, which is .35 of an inch above normal; southern 

 section, 1.93 inches, which is .04 of an inch below normal. The largest 

 amount reported was 3.70 inches at Inwood; least amount reported, 

 .39 of an inch, at Glenwood. The greatest daily rainfall reported was 

 3.00 inches at Inwood on the 18th. Average number of days on which 

 .01 of an inch or more was reported, 8. Prevailing direction of the 

 wind, south; highest velocity reported, 52 miles per hour, from the 

 south, at Sioux City, on the 27th. Average number of clear days, 8; 

 partly cloudy. 8; cloudy, 15. 



April. — The monthly mean temperature of the state as shown by 

 records of 123 stations, was 47.5°, which is 1.8° below normal. By sec- 

 tions the mean temperatures were as follows: Northen section, 45.3", 

 which is 2.0° below normal; central station, 47.5°, which is 1.3° below 

 normal; southern section, 60.4°, which is 1.6° below normal. The high- 

 est monthly mean was 52.6° at Keokuk; lowest monthly mean, 42.9" 

 at Sibley. The highest temperature reported was 90°. at Clarinda on 

 the 9th; lowest temperature reported, 10°, at Inwood and Sibley on 

 the 14th. The average monthly maximum was 79.3°; average monthly 

 minimum, 19.5". Greatest daily range, 58". at Iowa City; averf.ge of 

 greatest daily ranges. 40.7°. Average precipitation for the state, as 

 shown by records of 135 stations, was 3.03 inches, which is 0.14 of an 

 inch above normal. The averages by sections were as follows: North- 

 ern section, 2.09 inches, which is 0.53 of an inch below normal; central 

 section, 3.07 inches, which is 0.17 of an inch above normal; southern 

 section, 3.94 inches, which is 0.83 of an inch above normal. The larg- 

 est amount reported was 5.49 inches at Leon; least amount reported, 

 0.63 of an inch, at Sibley. The greatest daily rainfall reported was 3.25 

 inches at Ottumwa on the 20th. Average number of days on which .01 

 of an inch or more was reported, 8. Prevailing direction of the wind, 

 northwest; highest velocity reported, 54 miles per hour, from the north, 

 at Sioux City, on the 3d. Average number of clear days. 12; partly 

 cloudy, 8; cloudy, 10. 



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

 records of 123 stations, was 58.3°, which is 2.1° below normal. By sec- 

 tions the mean temperatures were as follows: Northern section, 56.U", 

 which is 3.3° below normal; central section, 58.6°, which is 1.6° below 



