condition	mean	min	max
4 h after light	8.084124	7.963003	8.205245
8 h after light	8.441116000000001	8.308371	8.573861
12 h after light	8.0344475	7.495034	8.573861
4 h after dark	8.557791000000002	8.541721	8.573861
8 h after dark	8.573861	8.573861	8.573861
12 h after dark	8.948263	8.948263	8.948263