condition	mean	min	max
4 h after light	6.329855	5.56721	7.0925
8 h after light	6.591925	5.94355	7.2403
12 h after light	6.6962150000000005	6.38569	7.00674
4 h after dark	9.473953333333334	8.75633	9.83829
8 h after dark	9.488913333333333	8.782	10.149
12 h after dark	8.41133	7.30403	9.82812