condition	mean	min	max
0 h after light	16.16095	15.7524	16.5695
4 h after light	11.39065	10.6018	12.1795
8 h after light	15.03145	14.6424	15.4205
4 h after dark	20.1889	18.3522	22.0256
8 h after dark	14.50975	13.6687	15.3508
12 h after dark	14.8134	13.6472	15.9796