Studies of Heautfi in Potatoes. 
9 
SOIL TEMPERATURES AT LONGMONT, COLORADO, 1911—Continued. 
At Two 
Inches 
At Six 
Inches 
Dates 
8 A. M. 
5 P. M. 
8 A. M. 
5 P. M. 
Degree.? 1'. 
Degrees F. 
Degrees F. 
Degrees F 
June 
20. 
. 77 
82 
76 
80 
June 
21. 
. 84 
86 
71 
81 
June 
22. 
. 82 
95 
70 
86 
June 
23. 
. 81 
97 
73 
88 
June 
24. 
. 84 
89 
75 
83 
June 
25. 
. . .*.. 74 
90 
72 
75 
June 
26. 
• , 
73 
87 
June 
27. 
. 79 
89 
75 
89 
June 
28. 
. 79 
95 ^ 
.78 
86 
June 
29. 
. 81 
95 
77 
84 
June 
30. 
. 77 
96 
76 
90 
Averages 
. 7S 
5)1 
72 
84 
July 
1. 
. 72 
82 
70 
77 
July 
2. 
84 
. • 
83 
July 
3. 
89 
68 
83 
July 
4. 
. 82 
88 
73 
83 
July 
5. 
. 77 
84 
72 
SO 
July 
6. 
. 77 
92 
72 
83 
July 
7. 
. 83 
88 
74 
84 
July 
8.. 
. 70 
97 
70 
84 
July 
9. 
. 70 
97 
70 
84 
July 
10. 
. 81 
97 
72 
86 
July 
11. 
. 82 
97 
75 
88 
July 
12. 
. 83 
98 
77 
90 
July 
13. 
. 82 
91 
79 
87 
July 
14. 
. 84 
101 
77 
91 
July 
15. 
. S3 
85 
78 
84 
July 
16. 
. 77 
86 . 
72 
80 
July 
17. 
. 75 
98 
71 
88 
July 
18. 
. 79 
80 
75 
SO 
July 
19. 
. 73 
79 
71 
75 
July 
20. 
. 74 
98 
69 
87 
July 
21. 
. 79 
92 
75 
86 
July 
22. 
. 83 
92 
76 
87 
July 
23. 
. 77 
95 
. • 
• < 
July 
24. 
.73 
88 
73 
82 
July 
25.. 
. 77 
• » 
72 
• • 
July 
26. 
. 80 
97 
76 
88 
July 
27. 
. 83 
92 
76 
89 
July 
28. 
. 81 
92 
76 
87 
July 
29. 
. 83 
98 
75 
90 
July 
30. 
. 82 
95 
77 
89 
July 
31. 
. 82 
91 
74 
87 
Averages . 
. 70 
5)0 
74 
85 
August 1 ..... . . . 
. 81 
92 
75 
87 
August 2. 
. 80 
88 
76 
83 
August 3. 
. 77 
93 
73 . 
86 
August 4. 
. 75 
89 
74 
84 
