condition mean min max 0 h after light 15.5636 14.6618 16.4654 2 h after light 7.40653 7.07482 7.73824 4 h after light 8.510909999999999 8.05522 8.9666 8 h after light 9.322995 8.71212 9.93387 12 h after light 14.5501 12.0455 17.0547 2 h after dark 15.33365 14.4484 16.2189 4 h after dark 15.894200000000001 14.4977 17.2907 8 h after dark 24.88785 23.4822 26.2935 12 h after dark 20.75555 20.1379 21.3732