condition	mean	min	max
4 h after light	4.7006	3.80095	5.60025
8 h after light	2.652965	2.20455	3.10138
12 h after light	2.572825	2.54041	2.60524
4 h after dark	2.92304	2.58245	3.14114
8 h after dark	2.7580566666666666	2.24205	3.22227
12 h after dark	3.2563366666666664	2.58695	3.93524