condition mean min max 0 h after light 7.186064999999999 6.90727 7.46486 4 h after light 17.473025 8.52015 26.4259 8 h after light 7.594785 7.07316 8.11641 4 h after dark 17.987245 9.57019 26.4043 8 h after dark 5.71743 4.91905 6.51581 12 h after dark 6.335375 6.11898 6.55177