686 IOWA DEPARTMENT OF AGRICULTURE 



southern and eastern counties, the Ice harvest was the smallest in years and 

 a large quantity has been shipped in from the north. The roads were gen- 

 erally had. 



Pressure. The mean pressure (reduced to sea level) for the State was 

 30.00 inches. The highest recorded was 30.61 inches, at Dubuque, on the 

 19th, and the lowest was 28.96, at Omaha, Neb., on the 13th. The monthly 

 range was 1.65 inches. 



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

 records of 97 stations, was 24.9°, or 4.4° higher than the normal. By divi- 

 sions, three tiers of counties to the division, the means were as follows: 

 Northern, 20.7°, or 3.6° higher than the normal; Central, 25.3°, or 4.6° 

 higher than the normal; Southern, 28.8°, or 5.2° higher than the normal. 

 The highest monthly mean was 31.4°, at Keokuk and Burlington, and the 

 lowest monthly mean was 16.2°, at Sibley. The highest temperature re- 

 ported was 65°, at Fairfield and Ottumwa, on the 11th, and the lowest re- 

 ported was — 16°, at Spencer, on the 9th. The temperature range for the 

 State was 81°. 



Humidity. The average relative humidity for the State at 7:00 a. ni. 

 was 86 per cent, and at 7.00 p. m. it was 76 per cent. The mean for the 

 month was 81 per cent, or about 1 per cent higher than the normal. The 

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

 77, at Omaha, Neb. 



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

 records of 102 stations, was 2.42 inches, or 1.27 inches more than the nor- 

 mal. By divisions, the averages were as follows: Northern, 2.37 inches, 

 or 1.46 inches more than the normal; Central, 2.50 inches, or 1.30 inches 

 more than the normal; Southern, 2.40 inches, or 1.05 inches more than the 

 normal. The greatest amount, 4.12 inches, occurred at Nora Springs, and 

 the least, 1.09 inches, at Lansing. The greatest amount in any 24 con- 

 secutive hours, 2.10 inches, occurred at Glenwood on the 13th. 



Snow. The average snowfall for the State was 9.9 inches, or 2.5 inches 

 more than the normal. The greatest amount, 18.0 inches, occurred at Sib- 

 ley, and the least, 3.8 inches, at Logan. 



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

 The highest velocity reported from a regular Weather Bureau station was 

 43 miles an hour from the west at Keokuk on the 28th. 



Sunshine and Cloudiness. The average per cent of the possible amount 

 of sunshine was 51, or about 5 per cent less than the normal. The per 

 cent of the possible amount at the regular Weather Bureau stations was 

 as follows: Charles City, 46; Davenport, 46; Des Moines, 46; Dubuque, 

 52; Keokuk, 58; Sioux City, 57; Omaha. Neb., 49. 



Miscellaneous Phenomena. Aurora, observed at Atlantic on the 6th; 

 Nora Springs on the 21st; and Alta, Oskaloosa and Pella on the 28th. Dust, 

 (red) 13th, 14th. Fog, 5th, 12th. Hail, 2d, 3d, 12th, 13th. Halo, (lunar 

 or solar) 6th. 12th, 16th, 19th, 25th, 27th. Sleet, 2d, 3d, 12th, 13th, 18th, 

 20th, 28th. Thunderstorm, 3d, 13th. 



