condition	mean	min	max
4 h after light	5.56431	5.53477	5.62133
8 h after light	5.6602033333333335	5.57671	5.736619999999999
12 h after light	5.779436666666666	5.6685	5.94175
4 h after dark	5.74508	5.64404	5.87429
8 h after dark	5.660703333333333	5.4101099999999995	5.97585
12 h after dark	5.67966	5.42023	5.98515