EIGHTH ANNUAL YEAR BOOK-PART I. 7 



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

 west. The highest velocity reported was 52 miles an hour, from the 

 northwest, at Sioux City on the 1st. The average number of clear days 

 was 14, partly cloudy 6, and cloudy 8. 



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

 the records of 116 stations, was 40.6°, which is 7.6° above the normal. By 

 sections the mean temperatures were as follows: Northern section, 36.7°, 

 which is 6.9° above the normal; Central section, 41.1°, which is 8.2° above 

 the normal; Southern section, 44.1°, which is 8.0° above the normal. The 

 highest monthly mean was 47.6° at Keokuk. The lowest monthly mean 

 was 31.8° at Sibley. The highest temperature reported was 92°, at Clar- 

 inda and Massena, on the 25th. The lowest temperature reported was 7° 

 below zero, at Inwood, Lyon county, on the 2d. The average monthly 

 maximum was 84.0°; and the average monthly minimum was 10.2°. The 

 greatest daily range was 59°, at St. Charles, and the average of greatest 

 daily ranges was 44.6°. 



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

 records of 124 stations, was 1.35 inches, which is 0.55 of an inch below 

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



1.19 inches, which is 0.44 of an inch below the normal; Central section, 



1.20 inches, which is 0.79 of an inch below the normal; Southern section, 

 1.66 inches, which is 0.43 of an inch below the normal. The largest 

 amount reported was 5.05 inches at Keokuk. The least amount reported 

 was 0.23 of an inch at Washta. The greatest daily rainfall was 3.50 

 inches, at Keokuk, on the 28th-29th. The average number of days reported 

 on which .01 or more of precipitation fell was 6. 



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

 west. The highest velocity reported was 40 miles per hour, from the 

 south, at Sioux City, on the 24th, and from the southwest, at Des Moines, 

 on the 26th. The average number of clear days was 14, partly cloudy 7, 

 and cloudy 10. 



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

 records of 119 stations, was 41.05°, which is 7.7° below the normal. By 

 sections the mean temperatures were as follows: Northern section, 39.2°, 

 which is 8.7° below the normal; Central section, 41.9°, which is 6.8° below 

 the normal; Southern section, 43.4°, which is 7.7° below the normal. 

 The highest monthly mean was 46.3°, at Keokuk. The lowest monthly 

 mean was 35.9°, at Sibley. The highest temperature reported was 80°, at 

 Clarinda on the 24th. The lowest temperature reported was 10°, at Earl- 

 ham on the 14th, and at Washta on the 17th. The average monthly 

 maximum was 71.6°, and the average monthly minimum was 16.4°. The 

 greatest daily range was 54°, at Woodburn; and the average greatest 

 daily ranges was 38.2°. 



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

 records of 125 stations, was 1.32 inches, which 1.59 inches below the nor- 

 mal. By sections the averages were as follows: Northern section, .84 

 of an inch, which is 1.81 inches below the normal; Central section, 1.27 

 inches, which is 1.66 inches below the normal; Southern section, 1.84 

 inches, which is 1.30 inches below the normal. The largest amount re- 



