condition	mean	min	max
4 h after light	12.2412	11.7183	12.7641
8 h after light	10.112145	9.86349	10.3608
12 h after light	14.50015	14.1884	14.8119
4 h after dark	19.90365	19.0697	20.7376
8 h after dark	20.59755	20.0812	21.1139
12 h after dark	17.671599999999998	16.6752	18.668