condition mean min max 4 h after light 432.1381745 364.428908 499.847441 8 h after light 274.771309 113.156715 436.385903 12 h after light 166.527733 141.977255 191.078211 4 h after dark 105.314445 104.095384 106.533506 8 h after dark 146.479894 116.781046 176.178742 12 h after dark 158.140415 158.140415 158.140415