condition	mean	min	max
4 h after light	10.78497	9.43564	12.1343
8 h after light	8.942315	8.58723	9.2974
12 h after light	11.23705	10.2711	12.203
4 h after dark	14.521249999999998	14.0072	15.0353
8 h after dark	14.71605	14.2556	15.1765
12 h after dark	15.4726	14.3767	16.5685