condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.04787033333333333 0.0 0.143611 12 h after light 0.06292533333333333 0.0 0.188776 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