condition	mean	min	max
4 h after light	7.247165	6.9241	7.57023
8 h after light	7.269425	7.211	7.32785
12 h after light	7.95093	7.22457	8.67729
4 h after dark	9.0668	8.7673	9.39169
8 h after dark	10.045846666666666	9.23424	10.478
12 h after dark	10.25339	8.74177	11.2395