condition mean min max 0 h after light 15.6985 15.6607 15.7363 4 h after light 9.8466 5.7161 13.9771 8 h after light 5.13666 4.74235 5.53097 4 h after dark 8.995855 6.40571 11.586 8 h after dark 6.62763 6.11789 7.13737 12 h after dark 12.583400000000001 11.9847 13.1821