condition	mean	min	max
0 h after light	8.663540000000001	8.56091	8.76617
4 h after light	8.029679999999999	7.61877	8.44059
8 h after light	5.79136	4.9088	6.67392
4 h after dark	11.222100000000001	10.3911	12.0531
8 h after dark	10.51485	10.1169	10.9128
12 h after dark	7.810225	7.54838	8.07207