condition	mean	min	max
4 h after light	8.90942	8.53437	9.28447
8 h after light	7.278285	7.08115	7.47542
12 h after light	4.00842	3.96805	4.04879
4 h after dark	6.897105	6.84761	6.9466
8 h after dark	5.45995	4.85902	6.06088
12 h after dark	7.642815000000001	5.98425	9.30138