condition	mean	min	max
4 h after light	8.184189	7.950777	8.417601
8 h after light	8.898432	8.661814	9.13505
12 h after light	9.5142435	9.331745	9.696742
4 h after dark	8.173512500000001	8.004077	8.342948
8 h after dark	8.137969	7.858337	8.417601
12 h after dark	7.811474	7.811474	7.811474