condition	mean	min	max
4 h after light	6.496735	6.38511	6.60836
8 h after light	7.1996649999999995	6.91505	7.48428
12 h after light	8.602595	8.01623	9.18896
4 h after dark	9.149315	8.36745	9.93118
8 h after dark	7.341495	7.1677	7.51529
12 h after dark	7.38251	7.26759	7.49743