condition	mean	min	max
4 h after light	5.2498233333333335	5.04103	5.5336
8 h after light	5.20023	4.90649	5.3674
12 h after light	5.06502	4.98166	5.19485
4 h after dark	5.080286666666667	4.94303	5.16274
8 h after dark	5.0812	4.8185199999999995	5.28828
12 h after dark	5.116359999999999	5.02241	5.29435