condition	mean	min	max
0 h after light	19.900100000000002	19.2558	20.5444
4 h after light	18.834899999999998	16.4194	21.2504
8 h after light	14.7119	14.1796	15.2442
4 h after dark	13.82595	12.1522	15.4997
8 h after dark	14.04935	13.2592	14.8395
12 h after dark	15.8351	12.1636	19.5066