condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.0599355 0.0 0.359613 14 h after light 0.06263316666666667 0.0 0.375799 18 h after light 0.0 0.0 0.0 2 h after dark 0.12039283333333334 0.0 0.722357