condition mean min max 0 h after light 15.8095 15.5833 16.0357 2 h after light 19.51895 19.2268 19.8111 4 h after light 23.12155 21.6774 24.5657 8 h after light 26.9861 26.0335 27.9387 12 h after light 30.858649999999997 29.4943 32.223 2 h after dark 35.28905 34.8587 35.7194 4 h after dark 28.775100000000002 28.6336 28.9166 8 h after dark 24.5365 22.1029 26.9701 12 h after dark 17.22885 16.6955 17.7622