condition mean min max 0 h after light 7.92319 6.85217 8.99421 2 h after light 8.825009999999999 7.89542 9.7546 4 h after light 6.247095 5.71509 6.7791 8 h after light 9.073375 7.38685 10.7599 12 h after light 13.2711 12.8989 13.6433 2 h after dark 14.2873 13.725 14.8496 4 h after dark 12.54655 11.8429 13.2502 8 h after dark 15.2849 14.2129 16.3569 12 h after dark 10.231085 9.04667 11.4155