condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.034519 0.0 0.103557 12 h after light 0.20055800000000001 0.0 0.601674 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