condition	mean	min	max
4 h after light	7.1048849999999995	6.72338	7.48639
8 h after light	7.5701350000000005	7.5167	7.62357
12 h after light	7.790735	7.0397	8.54177
4 h after dark	9.16997	8.76354	9.88505
8 h after dark	7.44261	7.15541	8.00445
12 h after dark	7.67237	7.22814	8.13642