condition mean min max 3 h after light 4.030843333333333 2.53284 5.65379 6 h after light 17.723733333333335 14.019 23.2771 9 h after light 24.361066666666666 21.1953 26.8237 12 h after light 12.37907 1.52968 18.9667 3 h after dark 6.723470000000001 3.94624 9.63747 6 h after dark 4.447043333333333 4.23432 4.65479 9 h after dark 2.87326 1.96204 3.87026 12 h after dark 1.4035199999999999 1.22884 1.5782