condition	mean	min	max
4 h after light	4.02322	2.81529	5.23115
8 h after light	4.910285	4.83794	4.98263
12 h after light	4.299315	4.11968	4.47895
4 h after dark	2.17819	1.81864	2.85904
8 h after dark	1.48113	1.29641	1.83566
12 h after dark	1.0773866666666667	1.02523	1.11688