30 IOWA DEPAETMENT OF AGRICULTURE. 



mean was 57.4°, at Hanlontown. The highest temperature reported was 

 95°, at Odebolt, on the 11th. The lowest temperature reported was 24°, 

 at Estherville, Britt and Iowa Falls, on the 7th. The average monthly 

 maximum temperature was 87°, and the average monthly minimum was 

 28.9°. The greatest daily range was 52° at Preston, and the average of 

 greatest daily ranges was 39.8°. The average precipitation for the State, 

 as shown by records of 129 statinos, was 3.54 inches, which is 0.70 

 of an inch below the normal for May. The averages by sections were as 

 follows: Northern section, 5.38 inches, which is 1.40 above normal; Cen- 

 tral section, 3.15 inches, which is 1.09 below the normal; Southern section, 

 2.09 inches, which is 2.42 inches below the normal. The largest amount 

 reported was 10.72 inches at Hanlontown. The least amount reported was 

 0.89 of an inch at Elliott. The greatest daily rainfall reported was 4.24 

 inches at Northwood on the 14th. The average number of days on which 

 .01 of an inch or more was reported was 11. The prevailing direction of 

 wind was southwest, and the highest velocity reported was 48 miles an 

 hour, from the west, at Sioux City, on the 17th. The average number of 

 clear days was 13, partly cloudy 10, and cloudy 8. 



June. — June was slightly cooler than the average, the mean tempera- 

 ture for the State as shown by the records of 125 stations being 67.9°, 

 which is 1.7° below the normal. By sections the mean temperatures were 

 as follows: Northern section, 66.2°, which is 2.0° below the normal; Cen- 

 tral section, 68.1°, which is 1.4° below the normal; Southern section, 69.4°, 

 which is 1.8° below the normal. The highest monthly mean was 71.7° at 

 Bella, and the lowest was 64° at Sibley. The highest temperature re- 

 ported was 99° at Greenfield and Odebolt on the 16th and at Clarinda on 

 the 16th and 17th. The lowest temperature reported was 37° at Atlantic 

 and Earlham on the 13th. The average monthly maximum was 93.1° and 

 the average monthly minimum was 43.4°. The greatest daily range of 

 temperature was 48° at Audubon, Bedford and Ida Grove. The average 

 of greatest daily ranges was 36.4°. The average precipitation for the State, 

 as shown by records at 132 stations, was 3.92 inches, which is 0.63 of an 

 inch below the normal. By sections the averages were as follows: North- 

 ern section, 3.81 inches, which is 0.63 of an inch below normal; Central 

 section, 3.44 inches, which is 1.16 inches below normal; Southern section, 

 4.50 inches, which is 0.12 of an inch above the normal. The largest amount 

 reported was 8.27 inches at Albia, and the least amount reported was 1.48 

 inches at Keokuk. The greatest daily rainfall reported was 5.20 inches 

 at Thurman, on the 18th. The average number of days on which .01 of an 

 inch or more was reported was 8. The prevailing direction of the wind 

 was northwest. The highest velocity reported was 49 miles an hour, from 

 the west, at Sioux City, on the 6th. The average number of clear days 

 was 15; partly cloudy 10, and cloudy 5. 



July. — The monthly mean temperature of July for the State as shown 

 by the records of 122 stations, was 70.9°, which is 3.5° below the normal. 

 By sections the mean temperatures were as follows: Northern section, 

 69.7°, which is 3.5° below the normal; Central section, 71.0°, which is 3.3° 

 below the normal; Southern section, 71.9°, which is 3.8° below the normal. 

 The highest monthly mean was 75.8°, at Tipton; and the lowest monthly 



