condition mean min max 0 h after light 22.92615 20.1001 25.7522 2 h after light 10.593499999999999 10.3441 10.8429 4 h after light 15.081299999999999 13.6101 16.5525 8 h after light 11.70635 10.0372 13.3755 12 h after light 9.538575 8.20595 10.8712 2 h after dark 19.507849999999998 17.7519 21.2638 4 h after dark 17.12635 16.7886 17.4641 8 h after dark 23.6089 20.6529 26.5649 12 h after dark 18.5133 15.3363 21.6903