750 IOWA DEPARTMENT OF AGRICULTURE 



Humidity. — The average relative humidity for the State was 81 per 

 cent, the percentages ranging from 83 at Davenport and Dubuque to 78 

 at Des Moines. The averages were slightly higher than usual. 



Precipitation. — The average for the State, 111 stations reporting, was 

 0.88 inch, or 0.17 inch less than the normal. In general the geographical 

 distribution conformed to the average of past years, the amounts being 

 heaviest in the southeast and lightest in the west. The greatest amount 

 was 2.34 inches, at Fort Madison, and the least amount was 0.27 inch, at 

 Pacific Junction. The former was the only station reporting as much 

 as 2 inches, and 1.74 inches of the total fall at that station occurred on 

 the 28th. The great bulk of the month's precipitation occurred on and 

 after the 18th, and was in the form of snow, except on the 28th. 



Snowfau,. — The average for the State was 5.1 inches, or about 2 inches 

 less than the normal. The amounts ranged from 11.0 inches, at Sioux 

 Center, to a trace at Elliott. 



Wind. — Northwesterly winds prevailed, and the movement was less 

 than usual for January. The month was especially free from high winds; 

 the highest velocity reported was 52 miles an hour, from the northwest, 

 at Sioux City, on the 28th. The windiest days were the 1st, 2d, 20th 

 and 29th. 



Sunshint; and Cloudiness. — For the State as a whole the percentage 

 of sunshine received was about the normal amount; but there was a 

 marked deficiency in eastern Iowa; at Dubuque the percentage of the 

 possible amount was 24, or only about half the normal amount. At that 

 point it was the darkest January of record. In Western Iowa the month 

 had an excess of sunshine. The average number of clear days for the State 

 was 11; partly cloudy, 8; cloudy, 12. 



Miscellaneous Phenomena. — Sleet occurred at some point in the State 

 on the 1st, 6th, 17th, 18th, 28th and 29th; fog was recorded on the 1st, 

 4th, 5th, 6th, 7th, 8th, 18th, 19th, 26th, 27th and 28th. Lightning and 

 thunder occurred in connection with the storm of the 28th-29th, but this 

 phenomenon was not widespread. 



