condition	mean	min	max
4 h after light	16.969549999999998	14.8645	19.0746
8 h after light	22.1186	21.1836	23.0536
12 h after light	25.117449999999998	22.675	27.5599
4 h after dark	27.7342	27.6027	27.8657
8 h after dark	21.3778	20.9571	21.7985
12 h after dark	21.83665	20.7251	22.9482