condition	mean	min	max
4 h after light	3.27582	3.0475	3.50414
8 h after light	2.455175	2.40364	2.50671
12 h after light	1.1084165	0.898823	1.31801
4 h after dark	2.9235233333333333	2.392	3.23527
8 h after dark	2.42609	2.10732	3.02896
12 h after dark	3.73569	2.73709	4.67626