condition mean min max 0 h after light 7.59219 7.26083 7.92355 2 h after light 9.522615 9.38013 9.6651 4 h after light 11.23285 10.2372 12.2285 8 h after light 6.1004950000000004 5.93511 6.26588 12 h after light 10.031334999999999 9.39027 10.6724 2 h after dark 5.4188849999999995 4.89862 5.93915 4 h after dark 4.32097 3.67088 4.97106 8 h after dark 4.331275 3.91557 4.74698 12 h after dark 5.5336549999999995 4.697 6.37031