EXPERIMENT STATION BULLETINS. 



703 



TABLE 10.— AVERAGE TEMPERATURE OF DIFFERENT TYPES OF SOIL, NOT COVERED WITH SAND, 



SEPTEMBER, 1913. 



Date. 



Gravel. 



6" 12" 18 



1 -..I 72.73 



2 77.57 



3 1 79.10 



4 i 75.20 



5 75.70 



6 75.83 



73.10 



9 69.40 



10 68.20 



11 69.70 



12. 

 13. 

 15. 

 16. 

 17. 



18. 

 19. 

 20. 

 22. 

 23. 



24. 

 25. 

 26. 

 27. 

 29. 

 30. 



Average. 



70.00 

 65.57 

 63.87 

 63.53 

 65.83 



61.37 

 62.00 

 62.43 

 53.97 

 54.43 



60.93 

 64.30 

 60.93 

 58.40 

 62.23 

 64.90 



66.59 



70.40 

 72.60 

 75.40 

 73.83 



72.27 



73.20 

 72.90 

 68.40 

 67.03 

 €7.43 



68.. 53 

 66.03 

 63.40 

 64.20 

 64.73 



62,57 

 61.03 

 62.13 

 55.47 

 54.50 



58.00 

 61.43 

 62.13 

 57.77 

 61.03 

 62.77 



65.35 



69.90 

 71.10 

 74.00 

 73.57 

 71.60 



72.40 

 72.90 

 69.20 

 67.60 

 67.50 



68.47 

 66.80 

 64,13 

 64,90 

 64.73 



63.33 

 61.83 

 62.57 

 57.20 

 55.53 



57.63 

 60.83 

 62.47 

 58,70 

 60.80 

 62.10 



65.45 



Sand. 



6" 12" 18" 



72.17 

 76,83 

 77,90 

 74,20 

 75.03 



74.93 

 72.43 

 68.57 

 67.40 

 68.93 



69.13 

 64.93 

 62.90 

 63.17 

 65.33 



60.83 

 61.20 

 62.20 

 53.40 

 54.37 



62.13 

 64.63 

 60.07 

 58.47 

 62,13 

 65.03 



70.07 

 72.10 

 74.87 

 73,30 

 71,63 



72.37 

 72.23 

 67.80 

 66.47 

 67.00 



68,23 

 65.73 

 63.07 

 64.07 

 64.67 



62.40 

 60.87 

 62.07 

 55.30 

 54.43 



58.67 

 61.60 

 61.97 



57.. 50 

 61.07 

 62,80 



69,30 



70.10 

 72.47 

 72.43 

 70.77 



71,20 

 71,87 

 68,90 

 67.67 

 67.37 



68,30 

 66,90 

 64.47 

 64.97 

 64.73 



63.70 

 62,20 

 62.73 

 58.27 

 56.80 



58.40 

 61.00 

 62.40 

 59,27 

 69,80 

 61.77 



66.09 65.09 



Loam. 



6" 12" 18 



71.47 

 75.00 

 77.63 

 74.37 

 73.93 



74.70 

 73.40 

 68,70 

 67.17 

 68.00 



69.03 

 65.43 

 62.97 

 63.57 

 65.03 



61.87 

 61.13 

 62.03 

 53.67 

 53.37 



58.63 

 61.77 



60.77 

 56,90 

 61,17 

 63.63 



65.34 65.59 



69.77 

 70.63 

 73.80 

 73.53 

 71.83 



72.47 

 73.30 

 69.83 

 68.10 

 67.53 



68,37 

 66,87 

 64,20 

 64,70 

 64.63 



63.60 

 62.03 

 62,47 

 57.47 

 55.60 



56.90 

 59.60 

 61.57 



58.37 

 60.07 

 61,47 



68,37 

 68,67 

 70,07 

 71.03 

 70,53 



70,40 

 71.37 

 70.13 

 68.60 

 67.53 



67.40 

 67.03 

 64.971 

 64,57 

 64.17 



64,03 

 62.90 

 62.53 

 60.10 

 58.13 



57.60 

 58.90 

 60.47 

 59.93: 

 59.43 

 60.20 



Clay. 



6" 12" 18' 



65.34 64.96 65.22 



71.03 

 74.57 

 76,80 

 73.50 

 73.37 



73.80 

 72.87 

 67.87 

 66.17 

 67.13 



68,13 

 64,30 

 62,07 

 63,23 

 65.23 



61.87 

 61.50 

 62.00 

 53.90 

 53.33 



58.97 

 62.00 

 60.60 

 56,77 

 61,13 

 63.67 



69.27 

 70.27 

 73.03 

 72.83 

 71.00 



71.40 

 72.27 

 68.47 

 66.63 

 66.17 



67.33 

 65.70 

 62.93 

 63.83 

 64.13 



62.87 

 61.33 

 61.90 

 56.57 

 54.87 



56.73 

 59.60 

 61,23 

 57.60 

 59,63 

 60,93 



64.56 



68,63 

 69,13 

 71,00 



71,77 

 70.77 



70.77 

 71.80 

 70.00 

 68.27 

 67.37 



67.53 

 66.90 

 64,63 

 64,57 

 64.40 



64.17 

 62.90 

 62.73 

 59.60 

 57.63 



57.60 

 59.47 

 61.30 

 59.83 

 59,63 

 60,63 



Peat. 



65.12 



8" 12" ! 18" 



70,07 

 72,13 

 75,30 

 74,47 

 73,00 



73.43 

 74.13 

 69.43 

 67.70 

 67.60 



69.03 

 66.53 

 63,20 

 64,23 

 65.10 



62.73 

 60.93 

 62,30 

 55.63 

 53.80 



66.77 

 59.40 

 60.80 

 56.70 

 60,07 

 62.43 



65.27 



69,27 

 69,70 

 71,17 

 72.27 

 71.83 



71.77 



72.70 

 71.60 

 70,00 

 68.87 



68,53 

 67.97 

 65.67 

 65.20 

 64.80 



64.57 

 63.53 

 63.17 

 60.70 

 58.67 



57.73 

 58.63 

 59.73 

 59.37 

 59.03 

 59.87 



85.63 



68.47 



68.90 

 69,10 

 70,20 

 70,60 



70,43 



71,07 

 70,97 

 70.10 

 69.20 



68,13 

 68.00 

 66,47 

 65.43 

 64,97 



64,67 

 64,17 

 63,57 

 62,73 

 61.47 



59.90 

 59.53 

 59.83 

 60.30 

 59.83 

 59.97 



65.69 



