condition	mean	min	max
4 h after light	15.945599999999999	15.6871	16.2041
8 h after light	7.6517	7.0251	8.2783
12 h after light	6.074165000000001	5.63006	6.51827
4 h after dark	6.22291	5.61778	6.82804
8 h after dark	6.46172	5.68618	7.23726
12 h after dark	7.293704999999999	6.56027	8.02714