condition	mean	min	max
4 h after light	7.5726379999999995	7.499134	7.646142
8 h after light	7.815072	7.660123	7.970021
12 h after light	7.5582715	7.521006	7.595537
4 h after dark	7.033524	6.582643	7.484405
8 h after dark	7.5161295	6.904489	8.12777
12 h after dark	7.147718	7.147718	7.147718