condition	mean	min	max
4 h after light	3.818995	2.95671	4.68128
8 h after light	3.401135	3.27404	3.52823
12 h after light	3.814965	3.57034	4.05959
4 h after dark	4.923853333333334	4.1072	5.35289
8 h after dark	4.79221	4.35934	5.27572
12 h after dark	4.759923333333333	4.46068	5.02504