condition	mean	min	max
4 h after light	7.067608	7.037566	7.09765
8 h after light	6.817269	6.596972	7.037566
12 h after light	7.0617145	6.637026	7.486403
4 h after dark	7.3335185	7.244507	7.42253
8 h after dark	7.037566	7.037566	7.037566
12 h after dark	6.457608	6.457608	6.457608