condition	mean	min	max
4 h after light	3.9352620000000003	3.8333760000000003	4.1349
8 h after light	2.706575	1.827759	3.178556
12 h after light	1.9592473333333333	1.7519080000000002	2.158563
16 h after light	3.8087173333333335	3.26103	4.441762000000001
4 h after dark	3.27996	2.886348	3.6874510000000003
8 h after dark	2.5772223333333333	1.770866	3.938998