condition mean min max 3 h after light 2.37122 0.0 5.99887 6 h after light 3.5661266666666664 2.31384 4.42157 9 h after light 2.4695956666666667 0.711517 4.34188 12 h after light 3.445435 1.45425 7.35621 3 h after dark 1.35749 0.0 2.2688 6 h after dark 1.6791743333333333 0.898553 2.58078 9 h after dark 1.8725399999999999 0.0 3.97503 12 h after dark 1.339625 0.0 2.67925