condition	mean	min	max
0 h after light	8.464915	8.3485	8.58133
4 h after light	7.5452449999999995	6.91677	8.17372
8 h after light	10.952935	8.51097	13.3949
4 h after dark	13.007750000000001	11.384	14.6315
8 h after dark	12.39125	11.6887	13.0938
12 h after dark	6.052045	5.28136	6.82273