condition	mean	min	max
4 h after light	8.6461195	8.467894	8.824345
8 h after light	7.950470999999999	7.234722	8.66622
12 h after light	7.9793945	7.913067	8.045722
4 h after dark	8.170814	7.863625	8.478003
8 h after dark	9.386146	9.005893	9.766399
12 h after dark	9.249182	9.249182	9.249182