condition	mean	min	max
4 h after light	9.95285	9.1924	10.7133
8 h after light	9.292705000000002	9.16655	9.41886
12 h after light	10.88735	10.5101	11.2646
4 h after dark	10.18568	9.67834	10.646
8 h after dark	15.847766666666667	14.79	16.8332
12 h after dark	12.1865	11.416	13.0425