condition mean min max 2 h after light 1.805905 0.0 4.08724 6 h after light 4.545128333333333 0.0 15.0347 10 h after light 1.081395 0.0 3.39609 14 h after light 5.150198333333333 0.0 7.46099 18 h after light 4.90088 0.0 8.03496 2 h after dark 1.9159866666666667 0.0 7.92762