EXPERIMENT STATION BULLETINS. 



727 



TABLE 34.— AVERAGE TEMPERATURE OF DIFFERENT TYPES OF SOIL, NOT- COVERED WITH SAND. 



SEPTEMBER, 1915. 



Date. 



Gravel. 



2" 4" 6' 



Sand. 



2' 4' 6' 



Loam. 



2' 4" 6 



Clay. 



2' 4' 6' 



Peat. 



2' 4" 6" 



9. 

 10. 

 11. 



13. 

 14. 

 15. 

 16. 



20. 

 21. 

 22. 



70.17 

 73.33 

 72.03 

 70.27 

 64.10 



69.97 

 74.33 

 69.47 

 67.20 

 71.23 



76.63 

 80.77 

 76.90 

 75.47 

 17 72.60 



67.17 

 56.67 

 60.70 



23 1 60.90 



24 69.97 



25. 

 27. 

 28. 

 29. 

 30. 



69.87 

 52.63 

 65.23 

 66.87 

 57.20 



68.23 

 71 . 13 

 70.87 

 69.17 

 64.13 



68.03 

 72.67 

 69.23 

 67.23 

 69.60 



74.97 

 78.73 

 76.00 

 74.43 

 72.10 



67.17 

 57.60 

 59.93 

 59.93 

 68.07 



68.40 

 63.10 

 55.13 

 56.23 

 56.37 



66.23 



68.77 

 69.43 

 68.37 

 64.27 



66.47 

 70.80 

 69 10 

 66.93 

 68.00 



73.20 

 76.-37 

 75.23 

 73.53 

 71.33 



67.30 

 58:90 

 58.27 

 59.33 

 66.00 



66.87 

 54.23 

 54.73 

 55.20 

 55.60 



70.07 

 73.00 

 71.83 

 70.10 

 63.93 



70.20 

 75.00 

 70,70 

 67.63 

 71.30 



79.57 

 82.40 

 77.40 

 76.43 

 73.03 



67.33 

 57.07 

 61.33 

 61,60 

 71.00 



70.77 

 52.33 

 66.47 

 57.60 

 57.53 



68.67 

 71.43 

 70.93 

 69.33| 

 64.13 



68.671 

 73.60 

 70.47 

 67.83i 

 70.17! 



77.93 

 80.93 

 76.73 

 75.63 



72,57| 



67. 60' 

 57.80 

 61.27 

 61.00 

 69.77 



69.73 

 52.27 

 56.10 

 63.73 

 56.97 



67.03 

 69.53 

 69.90 

 68.77 

 64.43 



67.27 

 72.23 

 70.40 

 67.87 

 68,83 



75.83 

 78.90 

 76.23 

 74.73 

 72.00 



67.83 

 58.83 

 60.13 

 60.27 

 67.90 



68.30 

 53.40 

 55,43 

 56.27 

 56.80 



67.73 

 70.73 

 70.20 

 69.40 

 64.30 



69.10 

 73.63 

 69.60 

 67.47 

 70.83 



76.13 

 80.37 

 76.90 

 74.80 

 72.60 



67.63 

 57.37 

 60.43 

 60.67 

 69.33 



69.50 

 63.27 

 64.97 

 56.57 

 57.17 



65.60 

 68.07 

 68.63 

 67.93 

 64.40 



66.60 

 70.97 

 69.37 

 67.37 

 68.37 



73,70 

 77.10 

 75.60 

 73.53 

 71.60 



67.60 

 59.17 

 59.47 

 59.47 

 66.20 



67.13 

 54.20 

 .54.57 

 55.47 

 56,63 



62.73 

 64.93 

 66.10 

 65.67 

 63.50 



64.23 

 67.93 

 67.83 

 65.63 

 65.93 



70.37 

 73.20 

 73.20 

 71.60 

 69.83 



66.37 

 59.60 

 57.93 

 58.00 

 62.93 



64.37 

 54.97 

 53.80 

 53.67 



54.07 



68.10 

 71.13 

 70.40 

 68.23 

 64.43 



68.83 

 73.10 

 69.20 

 66.90 

 70.40 



75.80 

 79.30 

 76.73 

 75.30 

 72.53 



67.13 

 57.47 

 59.63 

 59.93 

 68.00 



68.20 

 53.13 



54.00 

 54.80 

 56.07 



65.70 

 68.27 

 68.67 

 67.20 

 64.40 



66.63 

 70.90 

 68,93 

 66.57 

 68.17 



73.57 

 76.63 

 74.80 

 73.80 

 71.50 



67.07 

 58.70 

 58.90 

 68.90 

 65.50 



66.23 

 63,80 

 53.83 

 54.07 

 54.13 



63.90 

 66.20 

 67.20 

 66.60 

 64.40 



65.27 

 69.07 

 68.60 

 66.10 

 66.83 



71.63 

 74.20 

 73.90 

 72.57 

 70.97 



66,97 

 60.03 

 68.33 

 58.33 

 63.53 



64.73 

 66.30 

 52.87 

 63.37 

 53.63 



68.20 

 71.50 

 70.60 

 69.23 

 64.50 



69.13 

 74.13 

 70.27 

 66.80 

 71.23 



75.67 

 78.33 

 76.00 

 75.33 

 73.70 



66.77 

 68.17 

 59.87 

 58.47 

 68.37 



68.30 

 52.27 

 54.57 

 55.40 

 66.07 



63.97 

 66.57 

 67.40 

 67.13 

 64.23 



65.63 

 69.70 

 69.50 

 66.33 

 67.40 



72.67 

 74.43 

 74.10 

 73.03 

 71.77 



67.13 

 69.90 

 57.93 

 57.27 

 63.63 



64.73 

 54.57 

 63.37 

 53.17 

 53 13 



62.77 

 64.50 

 66.30 

 66.60 

 64.80 



64.77 

 67.77 

 69.07 

 66.70 

 66.40 



70.20 

 72.10 

 73.13 

 72.10 

 71.43 



67.83 

 62.73 

 58.97 

 58.47 

 61.53 



63.30 

 57.73 

 56.00 

 53.80 

 53.77 



Average.. 



87.67 



66.74 85.78 68.23 



67.41 66.73 



67.22 



65.90 



63.94 



66.67 



65.47 



64.58 



66.88 



64.74 



64.47 



