condition	mean	min	max
4 h after light	5.959203333333334	5.47231	6.27019
8 h after light	5.72084	5.41033	5.94108
12 h after light	6.19536	6.1471800000000005	6.27461
4 h after dark	6.1362266666666665	6.11222	6.15376
8 h after dark	5.944826666666667	5.45849	6.3611699999999995
12 h after dark	6.1044833333333335	5.6384	6.346080000000001