condition mean min max 0 h after light 1.3998249999999999 1.31935 1.4803 4 h after light 2.534985 1.61299 3.45698 8 h after light 2.127895 1.99953 2.25626 4 h after dark 3.106585 2.82391 3.38926 8 h after dark 1.9934950000000002 1.93931 2.04768 12 h after dark 1.72198 1.54665 1.89731