condition mean min max 4 h after light 11.2707 11.16671 11.416780000000001 8 h after light 5.785980333333333 3.920231 9.251495 12 h after light 12.950153333333333 11.3522 14.012379999999999 16 h after light 16.178477333333333 8.364262 23.91903 4 h after dark 21.787 17.108539999999998 27.173059999999996 8 h after dark 14.545049666666666 9.466139 18.362289999999998