condition	mean	min	max
4 h after light	8.055776666666667	6.82678	10.0072
8 h after light	5.57583	2.00304	8.47739
12 h after light	7.25436	5.31402	9.57972
4 h after dark	11.293283333333333	9.84925	13.0102
8 h after dark	12.4071	10.6942	14.1461
12 h after dark	9.43072	8.5472	10.5067