condition	mean	min	max
4 h after light	5.80365	5.72196	5.9164699999999995
8 h after light	5.946273333333333	5.85802	6.015
12 h after light	5.73278	5.6132	5.8822
4 h after dark	5.784326666666667	5.76351	5.80358
8 h after dark	5.6483	5.420780000000001	5.81772
12 h after dark	5.711323333333333	5.50063	5.922219999999999