EXPERIMENT STATION BULLETINS. 



715 



TABLE 22.— AVERAGE TEMPERATURE OF DIFFERENT TYPES OF SOIL, COVERED WITH SAND. 



SEPTEMBER, 1914. 



Date. 



1 



2 



3 

 4 

 5 



7 



8 







10 



11 



12 

 14 

 15 

 16 

 17 



18 

 19 

 21 

 22 

 23 



24 

 25 

 26 

 28 

 29 

 30 



Average.. 



Gravel. 



6" 12' 18' 



71.40 

 69.27 

 65.33 

 63.63 

 64.30 



61.60 

 60.57 

 61.00 

 59.30 

 58.23 



57.33 

 62.07 

 65.87 

 68.33 

 67.10 



67.50 

 67.97 

 73.60 

 72.40 

 64.20 



58.83 

 58.70 

 58.33 

 60.30 

 62.10 

 62.20 



63.91 



69.53 

 69.20 

 65.67 

 64.30 

 64.00 



63.33 

 61.20 

 60.97 

 60.50 

 59.67 



57.73 

 60.93 

 63.87 

 65.60 

 65.60 



65.87 

 66,30 

 70.17 

 70.80 

 66.33 



60.80 

 59.37 

 58.93 

 59.87 

 60.83 

 61.57 



63.58 



Sand. 



6' 12' 18' 



68.83 

 69.20 

 66.43 

 65.13 

 64.47 



64.37 

 62.30 

 61.73 

 61.63 

 60.80; 



58. 80: 

 60.901 

 63.20, 

 64.67 

 65.23 



65.50 

 65.97; 

 68.33 

 69.97J 

 67.30] 



62.471 

 60.60i 

 59.90i 

 60.471 

 60.97! 

 61.77 



70.77 

 68.50 

 64.57 

 62.80 

 63.90 



61.00 

 60.23 

 60.53 

 57.93 

 57.60 



56.77 

 62.53 

 66.00 

 68.37 

 66.60 



66.83 

 67.60 

 73.53 

 72.10 

 63.37 



57.00 

 57.30 

 58.03 

 59.57 

 61.23 

 61.23 



63.89 63.30 



69.63 

 68.93 

 65.77 

 64.23 

 63.83 



63.17 

 61.10 

 60.60 

 60.13 

 59.43 



57.40 

 61.13 

 64.07 

 65.67 

 65.43 



65.63 

 66.13 

 69.83 

 70.53 

 65.90 



60.30 

 59.17 

 58.77 

 59.77 

 60.77 

 61.37 



63.42 



68.47 

 68.90 

 66.77 

 65.60 

 64.83 



64.77 

 62.97 

 62.17 

 62.13 

 61.40 



59.53 

 61.23 

 63.03 

 64.23 

 64.83 



65.10 

 65.47 

 67.67 

 68.93 

 67.13 



63.10 

 61.30 

 60.67 

 60.93 

 61.27 

 61.90 



64.01 



Loam. 



Clay. 



6' 12' 18' 



71.00 

 69.73 

 65.97 

 64.23 

 64.10 



62.87 

 61.23 

 61.10 

 59.63 



58.77 



57.10 

 61.53 

 64.83 

 67.30 

 66.40 



66.70 

 67.23 

 72.43 

 72.13 

 65.50 



59.63 

 58.97 

 .58.33 

 59.60 

 61.00 

 61.13 



63.79 



68.83 

 69.27 

 67.00 

 65.70 

 64.77 



64.80 

 62.90 

 62.17 

 61.87 

 60.97 



58.97 

 60.57 

 62.63 

 64.23 

 65.03 



65.47 

 65.93 

 68.43 

 69.93 

 67.90 



63.47 

 61.27 

 60.30 

 60.30 

 60.63 

 61.50 



6' 12' 18' 



66.83 

 67.37 

 66.77 

 65.83 

 61.87 



64.60 

 63.57 

 62.60 

 62.23 

 61.47[ 



60.33 

 59.901 

 61.07 

 62.13 

 63.23 



63.77 

 64.20 

 65.67 

 66.77 

 66.87 



64.73 

 62.50 

 61.23 

 60.40i 59.30 

 60.40i 60.83 

 60.77 61.13 



71.07 

 69.67 

 65.83 

 63.90 

 63.80 



62.93 

 61.20 

 60.83 

 59.40 

 58.67 



57.30 

 61.77 

 65.03 

 67.23 

 65.87 



66.10 

 66.53 

 71.80 

 71.70 

 65.33 



59.60 



58.97 

 58.23 



64.05 



63.47 



63.62 



68.53 

 69.00 

 66.53 

 65.10 

 64.17 



64.23 

 62.40 

 61.53 

 61.17 

 60.33 



58.43 

 60.47 

 62.67 

 64.23 

 64.67 



64.87 

 65.. 30 

 68.00 

 69 53 

 67.27 



62.60 

 60.47 

 59.60 

 59.73 

 60.30 

 61.10 



63.55 



67.63 

 68.43 

 67.47 

 66.33 

 65.17 



65.23 

 63.90 

 63.03 

 62.53 

 61.80 



60.. 53 

 60.80 

 62.10 

 63.27 

 64.30 



64.57 

 64.87 

 66.47 

 67.93 

 67.57 



64.97 

 62.37 

 60.90 

 60.53 

 60.93 

 61.07 



64.04 



Peal. 



6° 12" 18' 



70.13 

 69.97 

 66.87 

 65.43 

 64.37 



64.37 

 62.30 

 61.30 

 60.63 

 59.67 



57.53 

 61.10 

 63.83 

 66.00 

 66.10 



66.43 

 67.23 

 71.80 

 72.53 

 68.23 



62.47 

 60.70 

 60.00 

 60.40 

 61.40 

 62.23 



64.35 



68.07 

 68.90 

 68.53 

 67.47 

 66.40 



65.93 

 64.83 

 63.70 

 63.13 

 62.23 



61.00 

 60.60 

 61.60 

 62.90 

 64.17 



64.97 

 65.63 

 67.37 

 68.93 

 69.17 



67.07 

 64.67 

 63.07 

 61.80 

 61.60 

 62.00 



64.84 



67.67 

 68.20 

 68.53 

 68.07 

 67.17 



66.27 

 65.80 

 64,90 

 64.23 

 63.50 



62.70 

 61.57 

 61.70 

 62.37 

 63.30 



64.13 

 64.73 

 66.03 

 66.83 

 67.90 



67.50 

 66.10 

 64.53 

 62.63 

 62.30 

 62.20 



65.03 



