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 0.07261725 0.0 0.290469 3 h after dark 0.0 0.0 0.0 6 h after dark 0.30517299999999997 0.0 0.638648 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0