THIRD ANNUAL YEAR BOOK — PART III. 161 



temperature reported, 31 degrees below zero at Atlantic on the 27th. The 

 average monthly maximum was 52.7 degrees; average monthly minimum, 

 20.9 degrees. The greatest daily range was 56 degrees at Guthrie Center, 

 average of the greatest daily ranges, 34.4 degrees. The average precipitation 

 for the state as shown by the records of 129 stations, was .88 of an inch, 

 which is .34 of an inch below the normal for January. By sections the 

 averages were as follows: Northern section, 0.84 of an inch; central sec- 

 tion, 0.98 of an inch; southern section, 0.88 of an inch. The largest 

 amount reported was 2.83 inches, at Ridgeway; least amount , 0.19 of an 

 inch, at Mt. Pleasant. The greatest daily precipitation reported was 1.51 

 inches, at Ridgeway on the 20th. The average number of days on which .01 

 or more precipitation fell was 4. Prevailing direction of the wind, north- 

 west; highest velocity, 38 miles per hour from northwest at Sioux City 

 on the 2d. Average number of clear days, 17; partly cloudy, 8; cloudy, 6. 

 FEBRUARY. — The monthly mean temperature as shown by records 

 of 110 stations, was 17.6 degrees; which is 4.1 degree below the February 

 normal for this state. The monthly means by sections were as follows: 

 Northern section, 16.6 degrees; central section, 16.8 degrees; southern 

 section, 19.3 degrees. The highest monthly mean reported was 22.2 degrees 

 at Thurman; lowest mean, 12.8 degrees at New Hampton. The highest 

 temperature reported was 62 degrees at Humboldt on the 27th; lowest re- 

 ported 21 degrees below zero at Galva on the 2d. The average monthly 

 maximum was 52.2 degrees; average monthly minimum 14.2 degrees below 

 zero. The greatest daily range was 46 degrees at Elkader; average of great- 

 est daily ranges 32.5 degrees. The average precipitation for the state, as 

 shown by the records of 128 stations, was 0.73 of an inch, or 0.33 below 

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

 0.69 of an inch; central section, 0.74 of an inch; southern section, 0.75 of 

 an inch. The largest amount reported was 2.39 inches at Belle Plaine; least 

 amount 0.02 of an inch at Thurman. The greatest daily precipitation re- 

 ported was 1.40 inches at Belle Plaine on the 27th. Average number of 

 days on which .01 or more precipitation fell, 4. Prevailing. direction of 

 wind, northwest; highest velocity reported 46 miles per hour, from north- 

 west at Sioux City, on the 28th. Average number of clear days 13; partly 

 cloudy 8; cloudy 7. 



MARCH. — The monthly mean temperature for Marcn as shown by 

 records of 101 stations, was 39.1 degrees, which is 5.9 degrees above nor- 

 mal. The monthly means by sections were as follows: Northern sec- 

 tion, 36.9 degrees; Central section, 39.3 degrees; southern section, 41 de- 

 grees. The highest monthly mean was 44.5 degrees at Thurman; lowest, 

 34.9 degrees at Larchwood. The highest temperature reported was 79 

 degrees at Winterset on the 25th; lowest, 12 degrees below zero at Esther- 

 ville on the 17th. The average monthly maximum was 69.4 degrees; aver- 

 age monthly minimum, 1.5 degrees below zero. The greatest daily range 

 was 46 degrees at Sibley, Monticello and Thurman; average of greatest 

 daily ranges, 34.6 degrees. The average precipitation for the state was 

 1.45 inches, as shown by the records of 121 stations. This amount is .30 

 inch below normal. The averages by sections were as follows: Northern 

 section, 1.20 inches; central section, 1.73 inches; southern section, 1.42 



