condition mean min max 2 h after light 2.7922279999999997 0.217848 9.24739 6 h after light 8.059481666666667 2.28463 25.4652 10 h after light 3.6939146666666667 0.883028 7.80022 14 h after light 4.8030116666666665 1.95256 10.121 18 h after light 7.696055 2.38656 19.2862 2 h after dark 3.865236 0.652526 5.98068