condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.09426033333333333 0.0 0.282781 9 h after light 0.097715 0.0 0.186377 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.21349866666666667 0.0 0.367304 9 h after dark 0.133943 0.0 0.263539 12 h after dark 0.0 0.0 0.0