condition	mean	min	max
4 h after light	5.25012	5.102469999999999	5.39238
8 h after light	5.21999	5.1508199999999995	5.32397
12 h after light	5.110453333333333	4.94211	5.27343
4 h after dark	5.236426666666667	5.20699	5.29017
8 h after dark	5.31915	5.22196	5.51277
12 h after dark	5.27574	5.1641699999999995	5.35942