condition	mean	min	max
4 h after light	4.932885000000001	4.28512	5.58065
8 h after light	4.69126	4.64973	4.73279
12 h after light	6.129429999999999	5.98166	6.2772
4 h after dark	12.283249999999999	12.0118	12.5547
8 h after dark	11.99075	11.2926	12.6889
12 h after dark	9.428315	9.12671	9.72992