condition	mean	min	max
0 h after light	7.599315	7.41161	7.78702
4 h after light	9.298095	7.36769	11.2285
8 h after light	8.879705000000001	8.28062	9.47879
4 h after dark	13.1629	12.6552	13.6706
8 h after dark	8.84508	7.7201	9.97006
12 h after dark	8.388475	8.12376	8.65319