condition mean min max 0 h after light 2.3344750000000003 1.84903 2.81992 2 h after light 0.7797925 0.694619 0.864966 4 h after light 1.536635 1.48735 1.58592 8 h after light 4.20818 3.81911 4.59725 12 h after light 2.696115 2.37447 3.01776 2 h after dark 2.1918550000000003 2.14156 2.24215 4 h after dark 3.363765 2.96193 3.7656 8 h after dark 2.9340200000000003 2.85963 3.00841 12 h after dark 1.687685 1.39807 1.9773