condition mean min max 0 h after light 5.829155 5.737 5.92131 2 h after light 1.98802 1.92686 2.04918 4 h after light 5.637855 5.52423 5.75148 8 h after light 23.5765 20.7915 26.3615 12 h after light 24.891150000000003 24.2098 25.5725 2 h after dark 17.2339 17.2325 17.2353 4 h after dark 11.4057 11.2222 11.5892 8 h after dark 7.757944999999999 7.5683 7.94759 12 h after dark 7.046010000000001 5.63699 8.45503