condition	mean	min	max
4 h after light	5.176069999999999	4.74128	5.61086
8 h after light	6.09	6.00415	6.17585
12 h after light	6.95137	6.8671	7.03564
4 h after dark	6.679436666666667	6.17999	7.0387
8 h after dark	6.52099	5.97543	6.93021
12 h after dark	5.65339	5.43419	5.78604