condition	mean	min	max
4 h after light	8.12069	7.24039	9.00099
8 h after light	15.7187	15.2224	16.215
12 h after light	25.442149999999998	25.0767	25.8076
4 h after dark	19.8803	18.9382	20.8224
8 h after dark	13.085049999999999	12.9895	13.1806
12 h after dark	11.8615	11.0823	12.6407