condition	mean	min	max
4 h after light	8.864035000000001	8.52396	9.20411
8 h after light	9.17648	9.03145	9.32151
12 h after light	9.035535	8.25516	9.81591
4 h after dark	11.3271	10.0944	12.5598
8 h after dark	10.92015	10.5492	11.2911
12 h after dark	10.2515	10.0301	10.4729