condition	mean	min	max
4 h after light	9.836981999999999	9.650615	10.023349
8 h after light	8.6933845	8.485284	8.901485
12 h after light	7.813254000000001	7.617282	8.009226
4 h after dark	9.704719	7.890557	11.518881
8 h after dark	8.544203	8.186921	8.901485
12 h after dark	8.901485	8.901485	8.901485