condition mean min max 0 h after light 13.0994 13.0315 13.1673 4 h after light 13.1814 12.6268 13.736 8 h after light 11.102699999999999 11.0354 11.17 4 h after dark 16.28095 15.0604 17.5015 8 h after dark 16.3928 15.2685 17.5171 12 h after dark 14.46545 13.1823 15.7486