TWENTY-FIRST ANNUAL YEAR BOOK— PART VIII 633 



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

 the records of 107 stations, was 4.59 inches, or 1.73 inches more than 

 normal. By divisions the averages were as follows: Northern, 4.26 inches, 

 or 1.58 inches more than the normal; Central, 4.49 inches, or 1.63 inches 

 more than the normal; Southern, 5.02 inches, or 1.97 inches more than 

 the normal. The greatest amount, 7.23 inches, occurred at Oakland, and 

 the least, 1.93 inches, occurred at Forest City. The greatest amount in 

 any 24 consecutive hours, 3.34 inches, occurred at Bella, on the 19th. 



Snoiv. The average snowfall for the State was 2.0 inches, or 0.2 inch 

 more than the normal. The averages by divisions were: Northern, 0.9 

 inch; Central, 0.6 inch; Southern, 4.6 inches. The greatest amount, 12.00 

 inches, occurred at Bloomfield. 



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

 The highest velocity reported from a regular Weather Bureau Station was 

 at the rate of 44 miles an hour from the north at Sioux City on the 1st. 



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

 of sunshine was 45, or about 15 per cent below normal. The per cent of 

 the possible amount at the regular Weather Bureau Stations was as fol- 

 lows: Charles City, 36; Davenport, 44; Des Moines, 47; Dubuque, 57; 

 Keokuk, 47; Sioux City, 43; Omaha, Neb., 45. Clear days averaged 8; 

 partly cloudy, 9; cloudy, 13. 



Miscellaneous Phenomena. Aurora: 14th. Birds, migration of: Earl- 

 ham, mockingbirds and wrens, 28th. Fog: 20th. Hail, 1st, 4th, 11th, 

 14th, 15th, 17th, 18th, 20th, 21st, 28th. Halo, lunar or solar: 4th, 6th, 

 8th, 9th, 15th, 24th, 29th. Sleet: 1st, 2d, 3d, 11th, 17th, 19th, 20th, 21st, 

 26th, 29th, 30th. Thunderstorms, 1st, 10th, 11th, 12th, 14th, 15th, 16th, 

 17th, 18th, 19th, 20th, 21st, 22d, 26th, 29th, 30th. Tornado: 1st. 



