condition	mean	min	max
4 h after light	10.698425	8.58525	12.8116
8 h after light	9.37785	9.17764	9.57806
12 h after light	12.8298	12.7642	12.8954
4 h after dark	13.766666666666667	13.0797	14.7073
8 h after dark	15.911900000000001	15.3453	16.4002
12 h after dark	12.6874	10.7883	13.6607