condition mean min max 3 h after light 2.6207833333333332 1.11347 4.33482 6 h after light 1.103693 0.490387 1.9088 9 h after light 1.9940283333333333 0.971535 2.86145 12 h after light 1.386444 0.910366 1.76998 3 h after dark 1.46687 1.0528 2.23191 6 h after dark 1.5184549999999999 0.555945 2.79433 9 h after dark 1.174896 0.360648 1.6396 12 h after dark 1.796885 1.65768 1.93609