condition	mean	min	max
4 h after light	3.006028	2.8925490000000003	3.173148
8 h after light	2.162657333333333	1.5389389999999998	2.550491
12 h after light	1.461767	1.385377	1.569289
16 h after light	2.9908183333333334	2.554399	3.541519
4 h after dark	2.4946436666666667	2.2478569999999998	2.733009
8 h after dark	1.620769	1.588622	1.6484349999999999