condition	mean	min	max
4 h after light	8.19388	7.646142	8.741618
8 h after light	7.7613725	7.583146	7.939599
12 h after light	8.458177000000001	7.939599	8.976755
4 h after dark	8.090128	7.939599	8.240657
8 h after dark	7.939599	7.939599	7.939599
12 h after dark	7.8302	7.8302	7.8302