FOURTH ANNUAL YEAR BOOK — PART II. 105 



City, on the 1st. Average number of clear days, 17; partly cloudy, 9; 

 cloudy, 5. 



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

 records of 99 stations, was 69.1°, which is 3.1° below normal. By sections 

 the mean temperatures were as follows: Northern section, 67.0°; cen- 

 tral section, 69.3°; southern section, 70.9°. The highest monthly mean 

 was 75.0°, at Logan; lowest monthly mean, 63.8°, at New Hampton. The 

 highest temperature reported was 101°, at Lx)gan, on the 24th; lowest 

 temperature reported, 41°, at Ogden, on the 31st. The average monthly 

 maximum was 91.6°; average monthly minimum, 47.3°. G-reatest daily 

 range, 45°, at Logan; average of greatest daily ranges, 31.4°. Average 

 precipitation for the State, as shown by records of 110 stations, was 

 (3.f;4 inches, which is 3.45 inches above normal. The averages by sections 

 were as follows: Northern section, 5.51 inches; central section, 5.67 inches; 

 southern section, 8.74 inches. The largest amount reported was 17.74 

 inches, at Woodburn; least amount reported, 2.55 inches, at Toledo. The 

 greatest daily rainfall reported was 11.22 inches, at Chariton, on the 27th. 

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

 11. Prevailing direction of the wind, southwest; highest velocity re- 

 ported, 44 miles per hour, from the southeast, at Sioux City, on the 1st. 

 Average number of clear days, 12; partly cloudy, 10; cloudy, 9. 



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

 by records of 104 stations, was 60.8°. which is 3.4° belovv^ normal. By 

 sections the mean temperatures were as follows: Northern section, 

 59.0°; central section, 61.1°; southern section, 62.4'-. The highest 

 monthly mean was 66.2°, at Belknap; lowest monthly mean, 56.9°, at 

 Forest City. The highest temperature reported was 94°, at Logan, on 

 the 1st; lowest temperature reported, 28°, at Larchwood. on the 16th. 

 The average monthly maximum was 84.8°; average monthly minimum, 

 33.6°. Greatest daily range, 51°, at Clarinda and Marshalltown; aver- 

 age of greatest daily ranges. 34.8°. Average precipitation for the State, 

 as shown by records of 116 stations, was 3.81 inches, which is 0.61 of 

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

 Northern section, 3.94 inches; central section, 3.46 inches; southern sec- 

 tion, 4.09 inches. The largest amount reported was 8.79 inches, at Lar- 

 rabee; least amount reported, 1.42 inches, at Waukee. The greatest daily 

 rainfall was 4.09 inches at Larrabee, on the 11th and 12th. Average 

 number of days on which 01 of an inch or more was reported, 10. Pre- 

 vailing direction of the wind, south; highest velocity reported, 42 miles 

 per hour, from the northwest, at Sioux City, on the 26th. Average num- 

 ber of clear days, 14; partly cloudy. 6; cloudy, 10. 



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

 by records of 105 stations, was 52.2°, which is 0.3° above normal. By 

 sections the mean temperatures were as follows: Northern section, 50.7°; 

 central section. 52.1°; scuthern section, 53.8°. The highest monthly 

 mean was 57.7°, at Belknap; lowest monthly mean, 47.2°, at Belle Plaine. 

 The highest temperature reported was 90°, at Chariton, on the 3d; low- 

 est temperature reported, 16°, at Earlham, on the 27th. The average 

 monthly maximum was 80.4°; average monthly minimum, 25.4°. Great- 



