condition mean min max 0 h after light 4.99606 4.51583 5.47629 4 h after light 3.220355 2.92919 3.51152 8 h after light 2.2073549999999997 2.11629 2.29842 4 h after dark 2.806895 2.68442 2.92937 8 h after dark 3.29439 2.45785 4.13093 12 h after dark 3.001735 2.20577 3.7977