condition mean min max 0 h after light 2.5246399999999998 2.09032 2.95896 4 h after light 1.6397499999999998 1.1339 2.1456 8 h after light 2.5074300000000003 2.03602 2.97884 4 h after dark 1.932915 1.5666 2.29923 8 h after dark 3.029965 2.68089 3.37904 12 h after dark 2.3428250000000004 1.58441 3.10124