EXPERIMENT STATION BULLETINS. 



713 



TABLE 20— AVERAGE TEMPERATURE OF DIFFERENT TYPES OF SOIL, COVERED WITH SAND. 



JULY. 1914. 



Date. 



Gravel. 



6' 12' 18' 



Sand. 



6' 12" 18' 



Loam. 



6" 12" 18' 



Clay. 



6" 12" 18" 



Peat. 



6" 12' 18' 



1 



2 

 3 

 4 

 6 



7 



8 



9 



10 



11 



13 

 14 

 15 

 16 

 17 



18 

 20 

 21 

 22 



23 

 24 

 25 

 27 



28 

 29 

 30 

 31 



Average.. 



65.47 

 65.47 

 69.27 

 70.03 



77.77 



78.50 

 79.00 

 79.47 

 81.57 

 82.87 



78.23 

 73.00 

 73.43 

 78.17 

 80.83 



74.33 

 75.73 

 78.00 

 79.97 



77.97 

 77.17 

 79.53 

 77.10 



73.63 

 73.93 

 73.60 

 74.90 



75.92 



65.90 

 64.50 

 69.53 

 68.93 

 73.30 



74.57 

 75.10 

 75.37 

 76.87 

 78.57 



76.93 

 73.33 

 71.73 

 74.13 

 77.10 



74.37 

 72.10 

 74.60 

 76.80 



77.37 

 75.43 

 76.53 

 77.27 



73.17 

 71.27 

 72.00 

 73.30 



74.08 



65.97 

 64.40 

 65.17 

 67.67 

 71.37 



72.67 

 73.43 

 73.73 

 75.27 

 76.60 



76.17 

 73.50 

 71.40 

 72.53 

 75.33 



74.33 

 71.07 

 73.27 

 75.03 



76.30 

 74.83 

 75.13 

 76.67 



73.30 

 71.30 

 71.63 

 72.67 



72.82 



65.43 

 66.17 



70.97 

 68.27 

 78.03 



77.67 

 78.40 

 78.37 

 80.30 

 81.63 



76.93 

 71.87 

 73.03 

 79.87 

 81.73 



73.60 

 75.27 

 77.30 

 79.40 



77.23 

 75.63 

 78.23 

 75.47 



72.33 

 73.23 

 72.37 

 72.70 



75.24 



65.90 

 64.47 

 66.50 

 68.90 

 73.13 



74.13 

 74.70 

 74.87 

 76.30 

 77.83 



76.27 

 72.93 

 71.50 

 74.50 

 77.60 



74.13 

 72.00 

 74.30 

 73.33 



76.83 

 75.50 

 76.00 

 76.60 



72.53 

 70.87 

 71.63 



72.87 



73.30 



65.77 

 64.23 

 64.83 

 66.83 

 69.90 



71.00 

 71.63 

 71.93 

 72.97 

 74.43 



74.73 

 72.73 

 70.83 

 71.70 

 74.37 



73.70 

 70.50 

 72.20 

 73.60 



74.73 

 73.73 

 73.77 

 75.17 



72.40 

 70.93 

 71.03 

 71.80 



71.53 



66.23 

 65.70 

 68.70 

 71.20 

 76.40 



77.33 

 78.03 

 78.33 

 80.23 

 81.87 



78.80 

 74.47 

 73.63 

 77.63 

 80.63 



75.20 



74.77 

 77.20 

 79.90 



79.07 

 76.67 

 79.57 

 78.33 



74.73 

 73.53 

 73.63 



74.87 



75.80 



66.40 

 64.93 

 65.50 

 67.90 

 71.63 



73.07 

 74.00 

 74.27 

 75.50 

 77.23 



77.43 

 74.90 

 72.57 

 73.27 

 75.97 



75.47 

 71.77 

 73.60 

 75.47 



76.90 

 75.07 

 75.80 

 77.30 



74.40 

 72.53 

 72.37 

 73.00 



73.27 



64.47 

 63.97 

 63.73 

 64.90 

 67.20 



68.67 

 69.67 

 70.23 

 70.93 

 72.03 



73.53 

 72.33 

 70.77 

 70.27 

 71.40 



72.33 

 69.70 

 70.23 

 71.33 



72.60 

 72.53 

 72.30 

 73.80 



72.67 

 71.33 

 70.60 

 70.60 



70.15 



66.13 

 65.97 

 69.20 

 71.27 

 75.93 



76.67 

 77.57 

 77.60 

 80.23 

 81.27 



78.43 

 74.13 

 73.47 

 77.27 

 79.83 



74.23 

 73.93 

 76.27 

 78.90 



78.47 

 75.97 

 78.80 

 77.53 



74.43 

 73.03 



72.77 

 74.00 



75.31 



66.30 

 64.63 

 65.53 

 68.10 

 71.03 



72.37 

 73.20 

 73.13 

 74.37 

 76.00 



76.30 

 74.00 

 72.10 

 72.77 

 75.47 



74.33 

 70.93 

 72.43 

 73.77 



74.63 

 73.63 

 74.87 

 75.60 



72.23 

 70.97 

 70.53 

 71.53 



72.27 



65.53 

 64.70 

 64.80 

 66.23 

 68.90 



70.17 

 71.03 

 71.53 

 72.33 

 73.63 



74.63 

 73.33 

 71.50 

 71.23 

 73.00 



73.53 

 70.30 

 71.20 

 72.43 



73.90 

 73.70 

 73.53 

 74.90 



73.50 

 71.90 

 71.27 

 71.40 



71.28 



68.13 

 66.60 

 68.90 

 71.57 

 76.80 



78.17 

 79.03 

 79.47 

 80.90 

 82.83 



80.83 

 77.10 

 75.23 

 77.40 

 80.80 



77.80 

 75.20 

 77.57 

 80.40 



80.70 

 78.97 

 80.03 

 80.43 



76.70 

 74.80 

 74.90 

 75.93 



76.93 



67.37 

 66.40 

 66.27 

 67.. 57 

 70.63 



72.47 

 73.80 

 74.63 

 75.57 

 76.93 



78.03 

 76.97 

 75.00 

 74.30 

 76.03 



76.53 

 73.40 

 74.00 

 75.33 



76.80 

 76.60 

 76.43 

 78.00 



76.70 

 75.27 

 74.40 

 74.17 



74.06 



66.40 

 66.07 

 65.60 

 65.80 

 67.43 



68.83 

 70.07 

 71.10 

 71.83 

 72.90 



74.57 

 74.77 

 73.87 

 72.87 

 72.90 



73.63 



72.27 

 71.87 

 72.43 



73.40 

 74.00 

 74.00 

 74.90 



75.00 

 74.23 

 73.33 

 72.83 



71.74 



