6 IOWA DEPARTMENT OF AGRICULTUEE. 



MONTHLY SUMMAEIES. 



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

 the records of 115 stations, was 18.8°, which is 1.0° below the normal for 

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

 section, 14.0°, which is 3.6° below the normal; Central section, 19.4°, which 

 is .02° above the normal; Southern section, 23.1°, which is 0.6° 

 above the normal. The highest monthly mean temperature was 

 28.9°, at Keokuk, and the lowest monthly mean was 8.0°, at Rock 

 Rapids. The highest temperature reported was 68°, at Keokuk, on the 

 7th, and lowest was 22° below zero, at Forest City and Inwood, on the 

 30th. The average monthly maximum was 45.4°, and the average monthly 

 minimum was --11.5°. The greatest daily range was 46° at Onawa; and 

 the average of greatest daily ranges was 33.2°. 



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

 the records of 123 stations, was 1.52 inches, which is .57 of an inch above 

 the normal. The average by sections was as follows: Northern section, 

 .96 of an inch, which is .20 of an inch above the normal; Central section, 

 1.41 inches, which is .37 of an inch above the normal; Southern section, 

 2.20 inches, which is 1.15 inches above the normal. The largest amount 

 reported was 5.30 inches at Burlington, and the least amount 

 reported was .10 of an inch at Atlantic. The greatest daily rainfall re- 

 ported was 2.69 inches at Keokuk, on the lSth-19th. The average number 

 of days on which .01 of an inch or more was reported was 7. 



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

 west. The highest velocity reported was 66 miles per hour, from the 

 northwest, at Sioux City, on the 19th. The average number of clear days 

 was 8; partly cloudy 7, and cloudy 16. 



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

 records of 116 stations, was 25°, which is 5.8° above the normal. By 

 section the mean temperatures were as follows: Northern section, 22.1°, 

 which is 5.8° above the normal; Central section, 25.1°, which is 5.7° above 

 the normal; Southern section, 27.7°, which is 5.9° above the normal. The 

 highest monthly mean was 30.2°, at Keokuk, and the lowest monthly mean 

 was 19.5°, at Sibley. The highest temperature reported was 65°, at St. 

 Charles, on the 16th, and the lowest reported was -31°, at Washta, on the 

 5th. The average monthly maximum was 55.5°, and the average monthly 

 minimum was -17.9°. The greatest daily range was 51°, at Sibley, and 

 the average of greatest daily ranges was 37.5°. 



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

 records of 126 stations, was .71 of an inch, which is .32 of an inch below 

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

 .80 of an inch, which is .13 of an inch below the normal. Central section, 

 .72 of an inch, which is .29 of an inch below the normal; Southern section, 

 .61 of an inch, which Is .53 of an inch below the normal. The largest 

 amount reported was 1.95 inches, at Rockwell City and Thurman, and the 

 least amount reported was .06 of an inch, at Stockport. The greatest 

 daily precipitation reported was 1.26 inches, at Britt, on the 28th. There 

 was an average of 4 days on which .01 of an inch or more was reported. 



