SUNRISE Air Temp. 59.5 55.0 Calotropis ... 49.5 Diff. ... 5.5 Argemone 57.0 47.0 Diff. 2.5 8.0 NINE P.M. Temp. 67.5 67.0 64.3 Calotropis ... ... 58.5 Diff. ... ... 5.8 Argemone 53.0 56.0 57.0 Diff. 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 56.8 82.0 88.6 68.0 Max. 70.0 89.0 94.7 74.0 Min. 50.0 69.0 81.5 61.0 Range 20.0 20.0 43.2 13.0 WET-BULB Mean 52.5 61.2 62.4 56.8 Max. Depression 10.0 24.3 30.2 15.0 Min. Depression 1.5 12.0 14.5 6.0 Elasticity of Vapour .380 .385 .289 .369 DEW-POINT Mean 48.3 48.7 40.8 47.4 Max. 53.1 60.2 50.9 51.8 Min. 41.1 40.3 32.3 42.6 Max. Depression 17.3 45.2 57.2 27.1 Min. Depression 5.4 22.0 25.1 10.2 Weight of Vapour in cubic feet 4.240 4.097 2.975 3.933 SATURATION Mean .754 .342 .211 .511 Max. .831 .488 .598 .703 Min. .570 .226 .154 .415 Number of observations 12 11 11 11 Extreme variations of Temperature 44.7 degrees Extreme variations of relative humidity .677 Extreme diff. Solar and Nocturnal Radiation 100 degrees NOCTURNAL RADIATION SUNRISE Exposed Th. On Earth On Grass Temperature 51.7 52.4 48.8 Mean Diff. from Air 4.1 3.4 7.0 Max. Diff. from Air 8.0 7.0 11.5 Number of Observations 9 9 9 NINE P.M. Exposed Th. On Earth On Grass Temperature 61.2 64.3 55.8 Mean Diff. from Air 6.8 4.6 11.8 Max. Diff. from Air 10.5 8.5 17.0 Number of Observations 10 9 9 SOLAR RADIATION