condition	mean	min	max
4 h after light	5.24746	4.3542	6.14072
8 h after light	4.697365	4.17273	5.222
12 h after light	9.797135	8.58477	11.0095
4 h after dark	10.605283333333334	9.53285	12.6194
8 h after dark	8.41292	7.49641	9.55311
12 h after dark	8.418866666666666	6.79705	11.3456