condition	mean	min	max
4 h after light	1.618515	1.40423	1.8328
8 h after light	1.7292900000000002	1.40975	2.04883
12 h after light	1.6071550000000001	1.40074	1.81357
4 h after dark	2.774475	2.17801	3.37094
8 h after dark	1.63579	1.41778	1.8538
12 h after dark	1.815065	1.65027	1.97986