condition mean min max 2 h after light 0.8862043333333334 0.0 2.44128 6 h after light 2.2758866666666666 1.0235 4.11842 10 h after light 3.53492 0.675682 9.51181 14 h after light 4.106717 0.916392 12.0789 18 h after light 2.769785 0.0 8.77843 2 h after dark 6.454135 2.06718 22.6133