condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.29857266666666665 0.0 0.895718 12 h after light 0.08251366666666667 0.0 0.247541 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0