condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.05446856666666667 0.0 0.0930122 12 h after light 0.03156256666666667 0.0 0.0946877 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