condition	mean	min	max
4 h after light	9.801982500000001	9.225063	10.378902
8 h after light	8.9549915	8.948263	8.96172
12 h after light	9.5404445	9.070391	10.010498
4 h after dark	8.885648	8.352159	9.419137
8 h after dark	9.628801	9.419137	9.838465
12 h after dark	10.286664	10.286664	10.286664