condition mean min max 0 h after light 16.553 16.4494 16.6566 2 h after light 20.072200000000002 18.7005 21.4439 4 h after light 20.70395 18.9586 22.4493 8 h after light 23.30625 23.2265 23.386 12 h after light 31.030099999999997 29.7771 32.2831 2 h after dark 36.54275 35.6429 37.4426 4 h after dark 33.8272 33.7384 33.916 8 h after dark 21.821399999999997 20.051 23.5918 12 h after dark 17.53705 14.0613 21.0128