condition mean min max 0 h after light 16.548000000000002 15.6348 17.4612 4 h after light 10.503499999999999 10.0308 10.9762 8 h after light 6.78779 6.39656 7.17902 4 h after dark 9.424985 8.30217 10.5478 8 h after dark 12.69075 12.1566 13.2249 12 h after dark 13.60455 12.7159 14.4932