condition mean min max 3 h after light 7.12905 3.64254 10.2418 7 h after light 6.815795 4.28834 11.3371 11 h after light 8.89667 7.43937 12.5952 2 h after dark 9.274331666666667 6.22344 11.9807 6 h after dark 8.881096666666666 5.98997 12.4834 10 h after dark 8.774103333333333 4.94541 11.3102