condition	mean	min	max
4 h after light	5.362500000000001	4.97691	5.74809
8 h after light	6.096579999999999	6.06786	6.1253
12 h after light	8.441600000000001	7.93253	8.95067
4 h after dark	7.383876666666667	6.94911	7.79834
8 h after dark	7.22363	6.93898	7.44993
12 h after dark	8.468626666666667	8.1911	8.82656