condition	mean	min	max
4 h after light	5.467223333333333	5.30872	5.66821
8 h after light	5.28245	5.19738	5.3266
12 h after light	5.37337	5.11448	5.57204
4 h after dark	5.22572	5.0698300000000005	5.40313
8 h after dark	5.329306666666667	5.033869999999999	5.591
12 h after dark	5.332843333333333	5.31542	5.34358