condition mean min max 3 h after light 9.98798 6.18897 15.128 7 h after light 8.7805125 5.06615 13.283 11 h after light 9.199850833333333 5.18704 12.8021 2 h after dark 9.89704 5.24768 15.5979 6 h after dark 9.294018333333334 5.30878 13.9639 10 h after dark 9.031774166666667 3.0442 14.4973