condition	mean	min	max
0 h after light	2.1454750000000002	2.0414	2.24955
4 h after light	2.31341	2.21398	2.41284
8 h after light	3.621485	3.32484	3.91813
4 h after dark	4.579525	4.22696	4.93209
8 h after dark	3.613415	3.48725	3.73958
12 h after dark	2.21366	1.83479	2.59253