condition	mean	min	max
0 h after light	11.17455	10.8998	11.4493
4 h after light	8.73856	8.08692	9.3902
8 h after light	6.8300149999999995	5.49378	8.16625
4 h after dark	10.30809	9.59948	11.0167
8 h after dark	13.24165	12.7151	13.7682
12 h after dark	10.22646	9.99052	10.4624