condition	mean	min	max
4 h after light	6784.0	6784.0	6784.0
8 h after light	7314.0	6963.0	7665.0
12 h after light	7024.2	6344.5	7703.9
4 h after dark	6482.95	5849.7	7116.2
8 h after dark	6283.1	5620.5	6945.7
12 h after dark	6636.25	6567.5	6705.0