condition mean min max 2 h after light 16.7547 15.911 17.3335 6 h after light 19.084500000000002 18.3744 20.1244 10 h after light 19.019099999999998 17.8983 20.1972 2 h after dark 16.7428 15.4885 18.5533 6 h after dark 11.065666666666667 10.426 11.5692 10 h after dark 10.6738 10.45 10.8603