condition	mean	min	max
4 h after light	1.7490100000000002	1.52902	1.969
8 h after light	2.855545	2.69392	3.01717
12 h after light	2.809635	2.69675	2.92252
4 h after dark	2.944965	2.85424	3.03569
8 h after dark	1.781455	1.57693	1.98598
12 h after dark	2.0636650000000003	1.78992	2.33741