10 IOWA DEPARTMENT OF AGRICULTURE. 



reported -was 9.67 inches at Delaware. The least amount reported was 

 1.05 inches, at Rock Rapids. The greatest daily rainfall was 4.95 inches 

 at Boone, on the 28th-29th. The average number of days on which .01 

 of an inch or more was reported was 9. 



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

 by the records of 110 stations, was 62.8°, which is 0.7° below the normal. 

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

 60.8°, which is 1.2° below the normal; Central section, 62.9°, which is 0.5* 

 below the normal; Southern section, 64.7°, which is 0.5° below the normal. 

 The highest monthly mean was 66.6°, at Keokuk and Leon. The lowest 

 monthly mean was 58.0° at Sibley. The highest temperature reported was 

 98° at Clarinda and Thurman on the 1st. The lowest temperature reported 

 was 25° at Elma, on the 25th. The average monthly maximum was 89.5°, 

 and the average monthly minimum was 31.8°. The greatest daily range 

 was 51° at Storm Lake and Washta, and the average of greatest daily 

 ranges was 36.3°. 



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

 records of 118 stations, was 2.76 inches, which is 0.60 of an inch below 

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

 2.71 inches, which is 0.66 of an inch below the normal; Central section, 

 3.02 inches, which is 0.21 of an inch below the normal; Southern section, 

 2.54 inches, which is 0.95 of an inch below the normal. The largest amount 

 reported was 6.06 inches at Ridgeway. The least amount reported was 

 1.38 inches at Washington. The greatest daily rainfall reported was 3.15 

 inches at Olin on the 27th and 28th. There was an average of 8 days on 

 which .01 of an inch or more rainfall was reported. 



Wind and Weather. — The prevailing direction of the wind was north- 

 west. The highest velocity reported was 42 miles per hour, from the 

 northwest, at Sioux City, on the 23d. The average number of clear days 

 was 15; partly cloudy, 9; cloudy, 6. 



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

 records of 115 stations, was 50.4°, which is 2.1° below the normal. By 

 sections the mean temperatures were as follows: Northern section, 48.4°, 

 which is 2.5° below the normal; Central section, 50.4°, which is 1.6° below 

 the normal; Southern section, 52.4°, which is 2.1° below the normal. The 

 highest monthly mean was 54.1°, at Onawa, and the lowest monthly mean 

 was 46.2°, at Plover. The highest temperature reported, 85° at Hampton 

 on the 2d, and at Keosauqua and Messena on the 17th. The lowest tem- 

 perature reported was 10°, at Audubon and Massena, on the 28th. The 

 average monthly maximum was 79.4°, and the average monthly minimum 

 was 18.7°. The greatest daily range was 50°, at Clarinda and Guthrie 

 Center, and the average of greatest daily ranges was 39°. 



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

 records of 124 stations, was 1.50 inches, which is 0.89 of an inch below 

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

 1.24 inches, which is 1.01 inches below the normal; Central sec- 

 tion, 1.73 inches, which is 0.70 of an inch below the normal; Southern 

 section, 1.53 inches, which is 0.97 of an inch below the normal. The 

 largest amount reported was 3.71 inches, at Boone; the least amount re- 



