condition	mean	min	max
4 h after light	13.18985	13.1068	13.2729
8 h after light	7.80958	7.79438	7.82478
12 h after light	4.867455	4.58684	5.14807
4 h after dark	4.130655	3.35768	4.90363
8 h after dark	4.27485	3.90219	4.64751
12 h after dark	7.5408100000000005	7.17784	7.90378