condition mean min max 0 h after light 22.209855 6.75741 37.6623 2 h after light 19.6237 14.0946 25.1528 4 h after light 18.68385 12.7559 24.6118 8 h after light 25.856299999999997 12.965 38.7476 12 h after light 23.3565 21.4955 25.2175 2 h after dark 9.97534 7.02608 12.9246 4 h after dark 27.491 18.7837 36.1983 8 h after dark 24.584995000000003 6.80859 42.3614 12 h after dark 16.3664 13.4008 19.332