condition	mean	min	max
4 h after light	11.67025	10.1886	13.1519
8 h after light	9.437225000000002	9.24539	9.62906
12 h after light	12.786349999999999	12.7317	12.841
4 h after dark	15.52685	15.2196	15.8341
8 h after dark	15.40155	14.9229	15.8802
12 h after dark	16.3061	15.8475	16.7647