condition mean min max 0 h after light 115.553 113.38 117.726 4 h after light 43.47025 43.1335 43.807 8 h after light 21.446350000000002 19.21 23.6827 4 h after dark 32.27505 31.7362 32.8139 8 h after dark 34.432100000000005 33.4226 35.4416 12 h after dark 71.91125 52.6332 91.1893