condition	mean	min	max
4 h after light	5.37239	5.257619999999999	5.55046
8 h after light	5.48033	5.28421	5.76271
12 h after light	5.296	5.1558	5.56312
4 h after dark	5.532026666666667	5.4119	5.72067
8 h after dark	5.492313333333334	5.21011	5.6903
12 h after dark	5.532553333333333	5.203869999999999	6.09175