condition	mean	min	max
0 h after light	4.149795	2.9883	5.31129
4 h after light	4.386405	3.83063	4.94218
8 h after light	4.05101	3.23816	4.86386
4 h after dark	14.74575	12.1662	17.3253
8 h after dark	8.01087	7.40523	8.61651
12 h after dark	5.882605	4.04323	7.72198