condition mean min max 0 h after light 15.542 14.5917 16.4923 2 h after light 10.4954 10.4197 10.5711 4 h after light 13.852450000000001 13.6729 14.032 8 h after light 12.22175 12.0136 12.4299 12 h after light 11.481549999999999 10.2289 12.7342 2 h after dark 8.75533 8.44649 9.06417 4 h after dark 9.700645 8.49729 10.904 8 h after dark 8.819605 7.07961 10.5596 12 h after dark 11.49526 9.60402 13.3865