FIFTEENTH ANNUAL YEAR BOOK— PART XI 



755 



City; 57 at Davenport; 58 at Des Moines; 47 at Dubuque; 60 at Keokuk; 

 and 55 at Sioux City. The average number of clear days for the State 

 was 10; partly cloudy, 9; cloudy, 9. During the past 24 years the average 

 number of clear days in February is 11; partly cloudy, 8; cloudy, 9. 



Miscellaneous. — Dense fog occurred quite widely on the 17th, 21st and 

 27th; sleet was reported from several points on the 2d, 18th, 22d and 

 26th; lightning was observed at Mason City on the 21st, and bright sun 

 dogs w'ere visible at Albia on the 1st. 



COMPARATIVE DATA FOR THE STATE— FEBRUARY. 



T indicates a trace. 



- indicates temperature below zero. 



MARCH. 



March, 1914, in Iowa was not an unusual month; in fact the climato- 

 logical conditions were rather typical. The chief features were the cold 

 wave at the beginning of the month, the warm springlike weather two 

 weeks later, and the cloudy, showery period during the closing days. Both 

 the mean temperature and average precipitation were near the normal, 

 while the snowfall was light, averaging less than two inches. 



The cold wave already referred to was the culmination of the severe 

 wind storm that passed over the state on February 28th; it caused the 

 coldest weather of the month in all parts of the state, except a small 

 area in the extreme southwestern portion. On the morning of the 1st 

 the temperature in northern Iowa ranged from zero to 5° below, and in 

 the central and southern sections, from zero to 10' above. A five-day 

 period of warm pleasant weather began on the 12th; the day temperatures 

 at this time were unusually high for so early in the season, reaching 



