condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.11533633333333333 0.0 0.346009 9 h after light 0.0 0.0 0.0 12 h after light 0.160585 0.0 0.64234 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.693449 0.607144 0.779754