condition	mean	min	max
4 h after light	1.426105	1.3452	1.50701
8 h after light	1.65052	1.51177	1.78927
12 h after light	2.14816	2.0181	2.27822
4 h after dark	3.137245	3.12196	3.15253
8 h after dark	2.4083	1.90146	2.91514
12 h after dark	1.843645	1.46539	2.2219