condition	mean	min	max
4 h after light	3.451515	3.00278	3.90025
8 h after light	3.1035500000000003	2.75021	3.45689
12 h after light	3.839715	3.72707	3.95236
4 h after dark	3.8763933333333336	3.73604	4.05112
8 h after dark	4.505396666666667	3.85161	4.9909
12 h after dark	3.10363	1.87986	3.92592