condition mean min max 4 h after light 16.775666666666666 12.1026 19.5911 8 h after light 17.75824 5.14822 27.8774 12 h after light 22.6451 12.7633 33.5516 4 h after dark 25.0489 21.2555 27.5942 8 h after dark 22.3779 17.6859 26.3558 12 h after dark 20.881766666666667 18.3854 25.102