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 0.139916 0.0 0.257355 12 h after light 0.0 0.0 0.0 3 h after dark 0.060149666666666664 0.0 0.180449 6 h after dark 0.0 0.0 0.0 9 h after dark 0.09654533333333333 0.0 0.289636 12 h after dark 0.06215333333333333 0.0 0.18646