| Mean minimum temperature of air in shade | 23·2° F. |
| Mean maximum temperature of air in shade | 53·8° |
| Mean daily range of temperature | 30·6° |
| Lowest reading | 15·0° |
| Highest reading | 61·2° |
| Mean temperature for the period | 38·5° |
Mean relative humidity, 8-9 a.m., 44·5 %
Mean relative humidity, noon ... 43 %
Mean relative humidity, 5-6 p.m., 56 %
Many observations included which are not given in the register.
On Aug. 11th, at 10 a.m., wet bulb, 33·2°; dry bulb, 52°; difference, 18·8°.
On Aug. 19th, at 11 a.m., wet bulb, 35·7°; dry bulb, 56°; difference, 20·3°.
Owing to the varying winds at my camp, the relative humidity fluctuated greatly in a short time. Thus, on Aug. 12 it was 46% at noon, and 79% at 2 p.m.
Average Cloudiness (10 indicating a Sky completely Overcast)
| 12-4 A.M. | 0 | Cloudless during 12 out of 13 days |
| 4-8 A.M. | 0 | Cloudless during 19 out of 20 days |
| 8-12 A.M. | 1·3 | Cloudless during 13 out of 22 days |
| 12-4 P.M. | 3·5 | Cloudless during 6 out of 22 days |
| 4-8 P.M. | 1·5 | Cloudless during 17 out of 22 days |
| 8-12 P.M. | 0 | Cloudless during 11 out of 12 days |