condition	mean	min	max
4 h after light	5.785713333333333	5.7362	5.81962
8 h after light	5.954556666666666	5.91045	6.0379
12 h after light	6.133426666666666	6.067419999999999	6.25355
4 h after dark	5.9183433333333335	5.8747300000000005	5.9660400000000005
8 h after dark	5.91911	5.82789	6.03806
12 h after dark	6.13013	5.94532	6.48125