condition	mean	min	max
4 h after light	9.341032	9.248578	9.433486
8 h after light	9.21817	9.002854	9.433486
12 h after light	9.311905	9.138912	9.484898
4 h after dark	9.437844	9.402929	9.472759
8 h after dark	10.473913	9.916087	11.031739
12 h after dark	8.953163	8.953163	8.953163