condition mean min max 2 h after light 7.908615 6.21753 10.2652 6 h after light 6.427136666666667 5.29284 7.36166 10 h after light 4.605058333333333 3.32807 6.85385 14 h after light 5.142295 3.87795 6.74193 18 h after light 7.405121666666666 4.97738 10.9465 2 h after dark 5.34073 3.7636 6.79111