condition	mean	min	max
4 h after light	4.222865	2.8935	5.55223
8 h after light	2.0333699999999997	1.96569	2.10105
12 h after light	4.336589999999999	4.1949	4.47828
4 h after dark	7.44616	7.22526	7.66706
8 h after dark	12.84305	12.0464	13.6397
12 h after dark	9.64475	9.55425	9.73525