condition	mean	min	max
4 h after light	2.394085	2.01409	2.77408
8 h after light	1.9700449999999998	1.54178	2.39831
12 h after light	2.068075	1.77614	2.36001
4 h after dark	3.305475	2.9682	3.64275
8 h after dark	2.56223	2.48521	2.63925
12 h after dark	3.038325	3.00195	3.0747