THIRTEENTH ANNUAL YEAR BOOK— PART I 

 COMPARATIVE DATA FOR THE STATE— ANNUAL. 



23 



Temperature 



Date 



Date 



1891__ 



1894.. 

 1895_. 



1900.. 

 1901.. 

 1902.. 

 1903.. 

 1904.. 

 1906-. 

 1906.. 

 1907.. 

 1908.. 

 1909.. 

 1910.. 

 1911.. 

 1912.. 



48.0 

 47.3 

 46.6 

 45.7 

 49.7 

 47.2 

 48.6 

 47.8 

 47.7 

 47.3 

 49.3 

 49.0 

 47.7 

 47.2 

 46.3 

 47.2 

 48.4 

 47.4 

 49.5 

 47.4 

 48.6 

 49.5 

 46.4 



110 

 106 

 104 

 102 

 109 

 104 

 104 

 106 

 103 

 104 

 103 

 113 

 9S 

 101 

 100 

 104 

 102 

 102 

 101 

 103 

 108 

 111 

 104 



July 13 



August 9.. 



July 11 



July* 13-... 



July 26 



May 28 



July 3 



July* 23--.. 

 August 20.. 

 September 

 August 3... 



July 22 



July 30 



August 24. , 



July 17 



August 11- 



July 21 



July 5 



August 3— . 

 August* 15. 



July 16 



July* 3 



September J 



—27 i 



-31 i 



—38 



-36 



—37 



—33 



—20 



—30 



—25 



—40 



—27 



—31 



—31 



—27 



—32 



—41 



—32 



-^1 



—18 



—26 



—35 



—35 



-47 



January 22... 

 February 4... 

 January 19... 

 January 14... 

 January 25... 



February 1 



January 4 



January 25... 

 December 31. .. 

 February 11.. 

 February 15. 

 December 15.. 

 January 27... 

 December 13.. 

 January 27-_. 

 Febi-uary 2*. 

 February 10. 

 February 5.. 

 January 29-_. 

 February* 15. 

 January 7... 

 January 3... 

 January 12... 



34.2 

 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 



'And other dates. 



ANNUAL NORMALS FOR IOWA— 1890-1912. 



Annual normal temperature, 47.8. 



Warmest year, 1894, with mean temperature of 49.7°. 



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



Annual normal precipitation, 31.45 inches. 



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



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



Average annual snowfall, 30.8 inches. 



Greatest annual snowfall, 49.0 inches in 1909. 



Least annual snowfall, 19.2 inches, in 1894. 



Average number of days with 0.01 inch or more precipitation, 81. 



Prevailing direction of wind, northwest. 



Average number of clear days, 164; partly cloudy, 104; cloudy, 97. 



