condition	mean	min	max
4 h after light	5.445675	4.89719	5.99416
8 h after light	6.52158	6.0926	6.95056
12 h after light	8.02882	8.01832	8.03932
4 h after dark	8.05931	7.95059	8.1409
8 h after dark	6.26477	5.69749	6.98716
12 h after dark	5.1334599999999995	4.94187	5.45299