condition	mean	min	max
4 h after light	7.3210905	7.03754	7.604641
8 h after light	6.72991	6.153066	7.306754
12 h after light	7.545665	7.047972	8.043358
4 h after dark	7.815676	7.646142	7.98521
8 h after dark	8.0699595	7.604641	8.535278
12 h after dark	7.514383	7.514383	7.514383