condition mean min max 4 h after light 14.39848 9.42274 19.0857 8 h after light 7.834616666666667 2.84857 13.3617 12 h after light 11.18771 6.10492 19.1774 4 h after dark 18.57196666666667 13.2929 23.509 8 h after dark 24.899 16.7686 29.7695 12 h after dark 25.217000000000002 23.0743 28.2207