condition	mean	min	max
4 h after light	3.939975	3.62552	4.25443
8 h after light	3.745795	3.71025	3.78134
12 h after light	4.20136	4.08082	4.3219
4 h after dark	4.069953333333333	1.47057	6.80577
8 h after dark	7.194523333333333	6.06373	8.81721
12 h after dark	9.10552	6.02393	13.6682