condition mean min max 0 h after light 14.8928 11.8139 17.9717 4 h after light 13.812899999999999 13.8049 13.8209 8 h after light 8.66534 8.23995 9.09073 4 h after dark 10.116985 9.27577 10.9582 8 h after dark 10.92745 10.7734 11.0815 12 h after dark 12.11605 10.6862 13.5459