condition	mean	min	max
4 h after light	5.555826666666667	5.450130000000001	5.693980000000001
8 h after light	5.62324	5.4374199999999995	5.751530000000001
12 h after light	5.53551	5.3111	5.689430000000001
4 h after dark	5.546953333333334	5.51802	5.56205
8 h after dark	5.59132	5.38959	5.7291
12 h after dark	5.52736	5.37376	5.70631