condition	mean	min	max
4 h after light	5.45012	5.36104	5.5147
8 h after light	5.45308	5.30112	5.60465
12 h after light	5.43835	5.21705	5.82429
4 h after dark	5.42591	5.33131	5.4745800000000004
8 h after dark	5.436570000000001	5.31449	5.57139
12 h after dark	5.357283333333333	5.17056	5.65914