condition mean min max 4 h after light 21.119403 15.943589 26.295217 8 h after light 25.4008145 24.316117 26.485512 12 h after light 21.403686 21.023938 21.783434 4 h after dark 21.2286605 19.308521 23.1488 8 h after dark 22.359305499999998 19.958595 24.760016 12 h after dark 19.589099 19.589099 19.589099