condition	mean	min	max
4 h after light	5.96793	5.89647	6.01363
8 h after light	5.9464733333333335	5.7925699999999996	6.16735
12 h after light	5.7986	5.30352	6.115130000000001
4 h after dark	5.855736666666667	5.79132	5.93343
8 h after dark	6.04854	5.71248	6.46178
12 h after dark	5.839510000000001	5.68024	6.0978900000000005