condition mean min max 0 h after light 53.5629 51.465 55.6608 4 h after light 31.7804 29.4806 34.0802 8 h after light 29.473300000000002 25.585 33.3616 4 h after dark 28.3508 25.9012 30.8004 8 h after dark 35.075649999999996 34.2954 35.8559 12 h after dark 39.90245 33.2674 46.5375