684 IOWA DEPARTMENT OF AGRICULTURE 



Temperature. The mean temperature for the state, as shown by the 

 records of 102 stations, was 26.8°, or 8.9° higher than the normal. By 

 divisions, three tiers of counties to the division, the means were as fol- 

 lows: Northern, 25.2°, or 10.6° higher than the normal; Central, 27.0°, 

 or 8.8° higher than the normal; Southern, 28.2°, or 7.3° higher than the 

 normal. The highest monthly mean was 31.9° at Omaha, Neb., and the 

 lowest monthly mean was 22.4°, at Northwood. The highest temperature 

 reported was 64°, at Centerville, on the 19th, and the lowest tempera- 

 ture reported was -32° at Maquoketa on the 4th. The temperature range 

 for the State was 96°. 



Humidity. The average relative humidity for the State at 7 a. m. was 

 86 per cent, and at 7 p. m. it was 76 per cent. The mean for the month 

 was 81 per cent, or about 1 per cent lower than the normal. The highest 

 monthly mean was 87 per cent, at Charles City, and the lowest was 78 

 per cent, at Keokuk. 



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

 records of 110 stations, was 0.24 inch, or .81 inch less than the normal. 

 By divisions the averages were as follows: Northern, 0.31 inch, or 0.53 

 inch less than the normal; Central, 0.22 inch or 0.89 inch less than the 

 normal; Southern, 0.19 inch, or 1.00 inch less than the normal. The 

 greatest amount, 0.86 inch occurred at Nora Springs, and the least, a trace 

 at Chariton, Mt. Pleasant, Olin, Tipton, Stockport and Winterset. The 

 greatest amount in any 24 consecutive hours, 0.62 inch, occurred at Nora 

 Springs on the 1st. 



Snow. The average snowfall for the state was 2.8 inches or 4.1 inches 

 below the normal. The greatest amount, 12.2 inches, occurred at Lansing, 

 and the least, a trace at six stations. 



Wind. The prevailing direction of the wind was from the southwest. 

 The highest velocity reported from a regular Weather Bureau Station was 

 at the rate of 42 miles per hour from the northwest at Sioux City, on 

 the 4th. 



Sunshine and Cloudiness. The average percentage of the possible 

 amount of sunshine was 68, or 18 per cent higher than the normal. The 

 percentage of the possible amount at the several regular Weather Bureau 

 stations was as follows: Charles City, 55; Davenport, 64; Des Moines, 73; 

 Dubuque, 64; Keokuk, 76; Sioux City, 75; Omaha, Neb., 71. Clear days 

 average 20; partly cloudy 5, and cloudy 6. 



Miscellaneous Phenomena,. Aurora, 1st, 3d, 4th. Fog, dense, 11th, 12th, 

 15th, ISth, 19th, 20th, 21st, 22d, 23d, 24th, 27th. Halo, lunar: 6th, 9th, 

 10th, 11th, 13th, 16th, 18th. Halo, solar: 1st, 2d, 8th, 11th, 17th, 18th, 

 Parhelia: 1st, 2d, 8th, 13th. 



