condition	mean	min	max
0 h after light	3.358315	2.99304	3.72359
4 h after light	3.52402	2.8598	4.18824
8 h after light	6.084095	5.71406	6.45413
4 h after dark	5.74816	5.58753	5.90879
8 h after dark	4.8395	4.70666	4.97234
12 h after dark	4.174465	3.75447	4.59446