condition	mean	min	max
4 h after light	7.8353	7.79325	7.885110000000001
8 h after light	8.187956666666667	8.069989999999999	8.25475
12 h after light	8.06422	8.02356	8.12372
4 h after dark	7.93012	7.71997	8.20012
8 h after dark	7.633796666666666	7.516719999999999	7.78873
12 h after dark	7.748843333333333	7.544230000000001	7.85588