condition	mean	min	max
0 h after light	2.551455	2.34684	2.75607
4 h after light	3.27114	2.73802	3.80426
8 h after light	2.35119	2.3177	2.38468
4 h after dark	2.47531	2.23312	2.7175
8 h after dark	2.758605	2.46353	3.05368
12 h after dark	2.414245	2.2707	2.55779