EXPERIMENT STATION BULLETINS. 



697 



TABLE 4 —AVERAGE TEMPERATURE OF DIFFERENT TYPES OF SOIL. NOT COVERED WITH SAND. 



MARCH. 1913. 



Date. 



Gravel. 



6" 12' 18' 



Sand. 



6' 12" 18' 



Average.. 



34.18 



31.701 31.80' 



31.77 31.871 



31.93, 32.20 



32. lo! 32.33| 



31.87; 32.20 



32.00 

 32.00 

 32.03 

 32.00 

 32.53 



32.60 

 32.50 

 32.43 

 32.23 

 33.80 



37.90 

 36.34 

 34.03 



39.80| 

 37.40 



34.87 

 34.33 

 33.97 

 33.50 

 39.70 



32.43 

 32.50 

 32 63 

 32.50 

 33.00 



32.90 

 32.97 

 32.90 

 32.77 

 33.00 



31.43 

 30.87 

 31.17 

 30.87 

 31.27 



30.70 

 30.47 

 31.60 

 31.57 

 32.03 



31 90 

 32.57 

 31.53 

 32.17 

 39.37 



33.81 



35.03 43.67 

 35.70 36.47 

 34.50 33.70 

 35.83i 46 17 

 37.60 35.07 



35.73 

 35.27 

 34.90 

 34.47 

 37.75 



32.47 

 32.50 

 32.33 

 32.07 

 42.93 



33.78 33.88 



31.67 

 31.63 

 31.80 

 31.77 

 31.70 



31.70 

 31.53 

 32.00 

 31.87 

 32.40 



32.27 

 32.30 

 32.07 

 32.00 

 33.70 



37.90 

 36.27 

 34.13 

 38.77 

 37.33 



34.73 

 34.17 

 33.87 

 33.37 

 39.13 



32.13 

 32.17 

 32.43 

 32.60 

 32.70 



32.70 

 32.70 

 32.47 

 32.40 

 32 87 



32.87 

 33.03 

 32 97 

 32.80 

 33,03 



35.30 

 35.80 

 34.57 

 35.73 

 37.37 



35.67 

 35.30 

 34.87 

 34.37 

 37.10 



33.60! 33.84 



Loam. 



12" 18' 



30.17 

 30.00 

 30.47 

 30.13 



30.07; 



30.001 

 29.93 

 30.60 

 30.53 

 31.07 



31.10 

 31.73 

 31.63 

 31.43 

 32.67 



36.13 

 33.43 

 32.07 

 41.23 

 33.00 



31.40 

 31.50 

 31.40 

 31.03 

 39.67 



32.10 



31.07 

 31.10 

 31.40 

 31.23 

 31.20 



31.20 

 31.27 

 31.27 

 31.33 

 31.83 



31.70 

 31.90 

 31.80 

 31. 57 

 31.50 



31.93 

 32.03 

 32.10 

 31.63 

 31.90 



31.53 

 31.67 

 31.70 

 31.97 

 31.17 



Clay. 



Peat. 



6" 12" 



31.77 

 31.77 

 32.23 

 32.00 

 31.97 



32.10 

 32.13 

 32.17 

 32.30 

 32.77 



32.60 

 32.53 

 32.57 

 32.23 

 32.27 



32.70 

 32.77 

 32.93 

 32.37 

 32.90 



32.80 

 32.93 

 32.93 

 33.10 

 32.70 



30.57 

 30.27 

 30.87 

 30.70 

 30.43 



30.40 

 30.20 

 31.20 

 31.40 

 31.63 



31.80 

 32.50 

 32.17 

 31.97 

 33.43 



31.27 

 31.13 

 31.47 

 31.30 

 31.33 



31.53 

 31.37 

 31.57 

 31.70 

 32.00 



31.93 

 32 17 

 32.07 

 31.87 

 32.13 



37.931 32.27 

 34.871 32.33 



33.13 



42.20 

 34.83 



32.40 

 32.47 

 32.53 

 32.70 

 41.17 



31.58 32.46 



32.95 



32.37 

 32.00 

 32.63 



32.90 

 33.03 

 33.17 

 33.60 

 37.03 



32.25 



18" 



31.47 

 31.57 

 31.90 

 31.77 

 31.77 



32.03 

 31.97 

 31.93 

 32.10 

 32.50 



32.63 

 32.50 

 32.43 

 32.10 

 32.43 



32.70 

 32.77 

 32.80 

 32.60 

 32.73 



33.17 

 33.47 

 33.53 

 33.87 

 35.60 



8" 12' 



30.90 

 30.13 

 30.53 

 30.13 

 30.03 



29.33 

 28.93 

 30.97 

 31.23 

 31.70 



31.73 

 32.17 

 32.10 

 31.77 

 32.00 



32.10 

 32.20 

 32.27 

 31.93 

 31.97 



31.63 

 31.83 

 31.73 

 32.03 

 31.83 



32.57 



31.33 



30.87 

 30.87 

 31.07 

 30.93 

 30.83 



30.93 

 30.80 

 31.07 

 31.07 

 31.50 



31.43 

 31.70 

 31.63 

 31.33 

 31.53 



31.63 

 31.90 

 31.90 

 31.60 

 31.70 



18 



32.23 

 32.33 

 32.70 

 32.57 

 32.63 



32.73 

 32.83 

 32.77 

 32.83 

 33.10 



32.97 

 33.13 

 33.00 

 32.77 

 32.93 



33.03 

 33.27 

 33.23 

 33.17 

 33.13 



31.20, 32.87 

 31.401 33.07 



31.50 

 31.73 

 31.07 



31.33 



33.23 

 33.37 

 32.87 



32.91 



