condition	mean	min	max
4 h after light	6.18152	6.04606	6.31698
8 h after light	5.5885	5.3652	5.8118
12 h after light	6.338775	6.03582	6.64173
4 h after dark	7.9469449999999995	6.72079	9.1731
8 h after dark	6.006225	5.81108	6.20137
12 h after dark	6.042495000000001	5.82648	6.25851