condition	mean	min	max
4 h after light	6.98659	5.90688	8.0663
8 h after light	7.37537	6.79029	7.96045
12 h after light	7.358765	7.11806	7.59947
4 h after dark	7.66736	7.63781	7.69691
8 h after dark	7.62401	6.98464	8.26338
12 h after dark	8.00451	7.77392	8.2351