condition	mean	min	max
4 h after light	5.74576	5.59056	5.87752
8 h after light	5.847033333333333	5.69461	5.98526
12 h after light	5.71381	5.51961	5.98067
4 h after dark	5.518759999999999	5.46335	5.562209999999999
8 h after dark	5.48172	5.2317	5.60934
12 h after dark	5.597613333333333	5.515619999999999	5.66522