condition	mean	min	max
0 h after light	2.25032	2.13292	2.36772
4 h after light	2.97602	2.92706	3.02498
8 h after light	3.919155	3.90671	3.9316
4 h after dark	2.993825	2.26464	3.72301
8 h after dark	3.108565	2.78195	3.43518
12 h after dark	2.17568	1.98613	2.36523