condition	mean	min	max
4 h after light	9.013633333333333	6.08938	12.1962
8 h after light	8.44286	2.64138	12.0664
12 h after light	8.81874	6.56369	12.7805
4 h after dark	13.6834	11.0437	18.3316
8 h after dark	11.562196666666667	9.63489	14.2259
12 h after dark	10.6419	10.2175	11.3706