condition	mean	min	max
4 h after light	2.185325	1.478	2.89265
8 h after light	2.524795	2.38022	2.66937
12 h after light	4.165405	3.18258	5.14823
4 h after dark	3.2219499999999996	2.12536	4.31854
8 h after dark	4.21153	4.20272	4.22034
12 h after dark	3.64599	3.30977	3.98221