condition	mean	min	max
4 h after light	8.6840755	7.852685	9.515466
8 h after light	8.979901	8.877778	9.082024
12 h after light	8.649291	7.670164	9.628418
4 h after dark	8.4076325	8.307294	8.507971
8 h after dark	8.262151	7.949622	8.57468
12 h after dark	8.605562	8.605562	8.605562