10 IOWA DEPAETMENT OF AGRICULTURE 



frosts. The average date for all kinds of fruit trees to be in full bloom 

 at Des Moines is about May 5th, but they were not in full blossom this 

 year until May 16th. 



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

 by the records of 111 stations, was 57.9°, which is 2.2° below the normal 

 for lo-wa. By sections the mean temperatures were as follows: Northern 

 section, 56.3°, which is 2.2° below the normal; Central section, 58.0°, which 

 is 2.2° below the normal; Southern section, 59.3°, which is 2.3° below the 

 normal. The highest monthly mean was 61.0°, at Keokuk, Lee county, and 

 the lowest monthly mean was 54.2°, at Dows, Wright county, and Sibley, 

 Osceola county. The highest temperature recorded was 97°, at Onawa, 

 Monona county, on the 5th; the lowest temperature reported was 18°, at 

 Inwood, Lyon county, on the 2d, and at Washta, Cherokee county, on the 

 3d. The average monthly maximum was 92.0°, and the average monthly 

 minimum was 24.1°. The greatest daily range was 63°, at Fort Dodge, 

 Webster county. The average of the greatest daily ranges was 45.7°. 



Peecipit.\tion. — The average precipitation for the state, as shown by 

 the records of 121 stations, was 4.34 inches, which is 0.16 below the 

 normal. By sections the averages were as follows: Northern section, 4.59 

 inches, which is 0.04 inch above the normal; Central section, 4.09 inches, 

 which is 0.38 inch below the normal; Southern section, 4.34 inches, which 

 is 0.13 inch below the normal. The greatest amount, 7.85 inches, occurred 

 at Rockv,-ell City, Calhoun county, and the least, 1.86 inches, at Waterloo, 

 Black Hawk county. The greatest amount in 24 hours, 3.95 inches, oc- 

 curred at Rockwell City, Calhoun county, on the 14th and 15th. Meas- 

 urable precipitation occurred on an average of 9 days. The average amount 

 of unmelted snowfall for the state was 0.1 inch; the greatest amount, 

 2.5 inches, occurred at Grand Meadow, Clayton county. 



Sunshine and Cloudiness. — The average number of clear days was 12; 

 partly cloudy, 12; cloudy, 7. The duration of sunshine was slightly 

 aboAe the normal, the percentage of the possible amount being 70 at 

 Charles City; 65 at Davenport; 66 at Des Moines; 59 at Dubuque; 75 at 

 Keokuk, and 53 at Sioux City. 



JUNE. 



The average temperature for the month was only a fraction of a degree 

 above the normal but the rainfall was considerably above the average 

 for June. The first week was moderately warm, there being a daily excess 

 of about three degrees, but on the 8th the temperature was much lower 

 and it remained below normal until the 19th. The lowest temperature oc- 

 curred generally on the 15th but no frost was reported from the northern 

 stations as there was on June 15, 1908. From the 20th to the close of 

 the month the temperature was considerably above the normal, the maxi- 

 mum occurring at many stations on the 30th. 



There was an excess of rainfall in all districts of the State but there 

 were a few comparatively small areas where a slight deficiency w^as re- 

 ported, the most notable one being along the Mississippi river from Scott 

 county southward to Des Moines county. The heaviest rainfall v as over 

 Union and the adjacent counties where the monthly amounts ranged from 



