Himalayan Journals — Volume 2 / Or, Notes of a Naturalist in Bengal, the Sikkim and Nepal Himalayas, the Khasia Mountains, etc.

by Joseph Dalton Hooker

SOLAR RADIATION

MORNING Hour Th. Black Bulb Diff. Phot. 9.30 a.m. 77.0 130 53.0 … 10 a.m. 69.5 124 54.5 10.320 10 a.m. 77.0 137 60.0 … 9 a.m. 63.5 94 30.5 10.230 9 a.m. 61.2 106 44.8 … 9 a.m. 67.0 114 47.0 10.350 —————————————————————————- Mean 69.2 117.5 48.1 10.300

AFTERNOON Hour Th. Black Bulb Diff. Phot. 3.30 p.m. 81.7 109 27.3 … 3 p.m. 80.5 120 39.5 10.320 3 p.m. 81.5 127 45.5 10.330 3.30 p.m. 72.7 105 32.3 10.230 3 p.m. 72.5 110 37.5 10.390 —————————————————————————- Mean 77.8 114.2 36.4 10.318