816 



IOWA DEPARTMENT OF AGRICULTURE 



COMPARATIVE DATA FOR THE STATE-ANNUAL 



Temperature 



Date 



1890. 

 1891. 

 1892. 

 1S93. 

 1894- 

 1895. 

 1896. 

 1897. 

 1898- 

 18S8- 

 1900- 

 ISOl- 

 1902- 

 1903- 

 1904. 

 1905- 

 1907- 

 1906. 

 1908. 

 1909. 

 1910- 

 1911. 

 1912. 

 1913- 



July 13 



August 9 



July 11 



July* 13 



July 26 



May 28 



July 3.- 



July* 23 



August 20 



September 6. 



August 3 



July 22 



July 30 



August 24 



July 17- 



August 11 



July 5 



July 21 



August 3 



August* 15--. 



July 16 



July* 3- 



September 8.. 

 July 16* 



January 22.. 



February 4... 



January 19.. 



January 14-- 



January 25 _. 



February 1... 

 ■20 I January 4 — 

 •30 I January 25—, 



December 31-- 



February 11. 



February 15. 



December 15. 



January 27-., 



December 13. 



January 27-- 



February 2*. 



February 10. 



February 5-- 



January 29.. 



February* 15. 



January 7 



January 3... 



January 12.- 



January 8--. 



S4.2 

 37.2 

 19.2 

 26.0 

 22.6 

 38.8 

 40.3 

 23.4 

 25.8 

 38.5 

 28.0 

 19.4 

 29.2 

 38.3 

 32.8 

 24.0 

 22.7 

 49.0 

 23.4 

 35.3 

 39.5 

 25.4 



ANNUAL NORMALS FOR lOAVA, 1890-1913. 



Annual normal temperature, 47.9°. 



Warmest years, 1894 and 1913, with mean temperature of 49. 7\ 



Coldest year, 1893, with mean temperature of 45.7°. 



Annual normal precipitation, 31.39 inches. 



Wettest year, 1902, with total precipitation of 43.82 inches. 



Driest year, 1910, with total precipitaion of 19.87 inches. 



Average annual snowfall, 30.5 Inches. 



Greatest annual snowfall, 49.0 inches in 1909. 



Least ennual snowfall, 192 inches in 1894. 



Average number of days with 0.01 inches or more precipitation, 83. 



Prevailing direction of wind, northwest. 



Average number of clear days, 105; partly cloudy, 102; cloudy, 98. 



