condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.13172999999999999 0.0 0.39519 3 h after dark 0.27052766666666667 0.0 0.420379 6 h after dark 0.19956466666666664 0.0 0.598694 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0