580 STATE BOARD OF AGRICULTURE. 



TABLE 43.— SE.\SONAL AND YEARLY RANGE TEMPERATURE OF DIFFERENT TYPES OF SOIL. 



The chief points brought out in the above tables (42-43) may be sum- 

 marized thus: (1) the highest seasonal average temperature occurred 

 in the suiiiiiipr followed in order by autumn, spring, and winter; {'2) 

 the greatest seasonal am[)litude took place also in summer with autumn, 

 spring, and winter coming next in order; (3) the average soil tempera- 

 ture of the autumnal equinox was higher than that of the sjjriug; (4) 

 the yearly average temi)erature was practically the same for all soil.^ 

 at all three depths; and (5) the yearly range was noticeably different: 

 the sand shows the greatest ami)litnde and is followed in order by 

 gravel, clay, loam, and peat respectively; the ditference between the 

 sand and peat is 3.15 for the fi inch depth. 



