condition mean min max 4 h after light 474.47026666666665 452.32199999999995 516.9825 8 h after light 909.2269333333334 496.8073 1289.138 12 h after light 803.2832 584.3339 1115.57 16 h after light 552.6353 390.055 636.2743 4 h after dark 199.9344 174.0887 236.4259 8 h after dark 149.79893333333334 116.9698 172.7211