condition	mean	min	max
0 h after light	9.567730000000001	8.83546	10.3
4 h after light	8.531054999999999	8.45253	8.60958
8 h after light	10.4909	10.4343	10.5475
4 h after dark	14.686350000000001	13.9263	15.4464
8 h after dark	12.6573	12.6347	12.6799
12 h after dark	11.21585	10.5441	11.8876