condition	mean	min	max
4 h after light	9.435571	9.404861	9.466281
8 h after light	8.6225555	8.497042	8.748069
12 h after light	9.1133675	7.840628	10.386107
4 h after dark	8.5053485	8.453457	8.55724
8 h after dark	7.75498	7.713614	7.796346
12 h after dark	7.934751	7.934751	7.934751