condition	mean	min	max
4 h after light	8.85446	8.28157	9.42735
8 h after light	7.71876	7.41409	8.02343
12 h after light	10.7922	10.3304	11.254
4 h after dark	13.8044	13.5833	14.0255
8 h after dark	15.9304	15.0109	16.8499
12 h after dark	11.955950000000001	11.5143	12.3976