condition	mean	min	max
4 h after light	9.5474635	9.404861	9.690066
8 h after light	9.0295445	8.654228	9.404861
12 h after light	9.2490225	8.321668	10.176377
4 h after dark	9.842192	9.799627	9.884757
8 h after dark	9.817896	8.870916	10.764876
12 h after dark	9.071257	9.071257	9.071257