EXPERIMENT STATION BULLETINS. 



651 



COMPARISON BETWEEN MONTHLY AVERAGE TEMPERATURE OF THE AIR AND 



OF THE DIFFERENT PLOTS. 



TABLE 78.— COMPARISON BETWEEN MONTHLY AVERAGE TEMPERATURE OF THE AIR AND OF THE DIF- 



FERENT PLOT. 



The air temperature was above that of all the plots from April to 

 December. The difference between the two classes of temperatures 

 among the different plots varied in the different months. 



