condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0313565 0.0 0.188139 10 h after light 0.0 0.0 0.0 14 h after light 0.05754366666666667 0.0 0.183363 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0