| SUNRISE | |||
| Exposed thermometer | On earth | On grass | |
| Temperature Mean diff. from air Max. diff. from air Number of observations | 53·2 4·5 8·5 9 | 54·0 3·7 9·0 9 | 51·5 6·2 7·5 8 |
| NINE P.M. | |||
| Exposed thermometer | On earth | On grass | |
| Temperature Mean diff. from air Max. diff. from air Number of observations | 59·9 4·6 11·5 10 | 60·7 3·8 10·5 10 | 56·4 8·1 13·5 10 |
| MORNING | ||||
| Time | Th. | Black Bulb | Diff. | Phot. |
| 9 a.m. 11 a.m. 10.30 a.m. 10 a.m. 10 a.m. 10.30 a.m. | 70·0 81·0 71·5 72·0 80·0 78·0 | 125 119 126 117 122 128 | 55·0 38·0 54·5 45·0 42·0 50·0 | 10·300 10·230 10·300 10·220 -- -- |
| Mean | 75·4 | 122·8 | 47·4 | 10·262 |
| AFTERNOON | ||||
| Time | Th. | Black Bulb | Diff. | Phot. |
| 4 p.m. 3 p.m. 3 p.m. 3 p.m. | 76·5 80·0 76·0 87·5 | 90 105 102 126 | 13·5 25·0 26·0 38·5 | -- 10·210 10·170 -- |
| Mean | 80·0 | 105·7 | 25·7 | 10·190 |
| SUNRISE | NINE P.M. | ||||
| Air temperature | 59·5 | 55·0 | 67·5 | 67·0 | 64·3 |
| Calotropis | -- | 49·5 | -- | -- | 58·5 |
| Difference | -- | 5·5 | -- | -- | 5·83 |
| Argemone | 57·0 | 47·0 | 53·0 | 56·0 | 57·0 |
| Difference | 2·5 | 8·0 | 14·0 | 11·0 | 7·3 |
III.—VALLEY OF SOANE RIVER, TURA TO SULKUN
(Mean elev. 517 feet)
| February 20th to March 3rd | ||||
| Hour | Sunrise | 9 a.m. | 3 p.m. | 9 p.m. |
| TEMPERATURE Mean Max. Min. Range | 56·8 70·0 50·0 20·0 | 82·0 89·0 69·0 20·0 | 88·6 94·7 81·5 13·2 | 68·0 74·0 61·0 13·0 |
| WET-BULB Mean Max. Depression Min. Depression | 52·5 10·0 1·5 | 61·2 24·3 12·0 | 62·4 30·2 14·5 | 56·8 15·0 6·0 |
| Elasticity of Vapour | 0·380 | 0·385 | 0·289 | 0·369 |
| DEW-POINT Mean Max. Min. Max. Depression Min. Depression | 48·3 53·1 41·1 17·3 5·4 | 48·7 60·2 40·3 45·2 22·0 | 40·8 50·9 32·3 57·2 25·1 | 47·4 51·8 42·6 27·1 10·2 |
| Weight of Vapour in cubic feet | 4·240 | 4·097 | 2·975 | 3·933 |
| SATURATION Mean Max. Min. | ·754 ·831 ·570 | ·342 ·488 ·226 | ·211 ·598 ·154 | ·511 ·703 ·415 |
| Number of observations | 12 | 11 | 11 | 11 |
| Extreme variation of temperature | 44·7° |
| Extreme variation of relative humidity | ·677 |
| Extreme diff. solar and nocturnal radiation | 100° |
| SUNRISE | |||
| Exposed thermometer | On earth | On grass | |
| Temperature Mean diff. from air Max. diff. from air Number of observations | 51·7 5·1 8·0 9 | 52·4 3·4 7·0 9 | 48·8 7·0 11·5 9 |