condition mean min max 4 h after light 14.5695 13.5566 15.5824 8 h after light 17.11795 17.0685 17.1674 12 h after light 18.37605 17.2263 19.5258 4 h after dark 24.574033333333333 24.3151 25.0371 8 h after dark 23.759733333333333 21.2402 25.3467 12 h after dark 15.4427 15.2157 15.5594