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 0.0247112 0.0 0.0741336 12 h after light 0.042861333333333335 0.0 0.128584 3 h after dark 0.0 0.0 0.0 6 h after dark 0.04869966666666667 0.0 0.146099 9 h after dark 0.018335399999999998 0.0 0.0550062 12 h after dark 0.0 0.0 0.0