condition	mean	min	max
0 h after light	9.698540000000001	9.35598	10.0411
4 h after light	6.102755	6.08106	6.12445
8 h after light	11.823	11.5265	12.1195
4 h after dark	20.65445	18.2326	23.0763
8 h after dark	20.3305	20.0845	20.5765
12 h after dark	10.524065	9.24773	11.8004