condition	mean	min	max
4 h after light	3.6692639999999996	3.554343	3.8106459999999998
8 h after light	3.210576666666667	3.0413490000000003	3.4942860000000002
12 h after light	1.707437	1.561994	1.8105490000000002
16 h after light	3.5532529999999998	2.916083	4.235206
4 h after dark	3.1859583333333332	2.802925	3.456547
8 h after dark	2.1994066666666665	1.9066779999999999	2.6062689999999997