condition mean min max 2 h after light 17.142699999999998 10.6733 22.7941 6 h after light 16.8804 12.7352 19.9013 10 h after light 14.9747 12.3461 18.5559 14 h after light 17.409383333333334 13.1373 22.7023 18 h after light 19.7714 12.815 28.9936 2 h after dark 20.607766666666667 17.7097 24.0992