condition	mean	min	max
4 h after light	1.80141	1.70664	1.89618
8 h after light	1.8317999999999999	1.68571	1.97789
12 h after light	3.70959	3.59598	3.8232
4 h after dark	7.442080000000001	6.82256	8.0616
8 h after dark	5.44503	5.40187	5.48819
12 h after dark	3.6411100000000003	3.5748	3.70742