condition	mean	min	max
4 h after light	49.0262	48.5865	49.4659
8 h after light	42.00215	40.82	43.1843
12 h after light	54.934200000000004	54.6787	55.1897
4 h after dark	66.67484999999999	65.4885	67.8612
8 h after dark	69.31540000000001	68.2733	70.3575
12 h after dark	62.203199999999995	59.0764	65.33