condition	mean	min	max
0 h after light	13.306750000000001	13.0206	13.5929
4 h after light	14.27045	13.5947	14.9462
8 h after light	18.0952	17.8018	18.3886
4 h after dark	20.1524	19.7666	20.5382
8 h after dark	15.13245	13.1829	17.082
12 h after dark	12.644100000000002	12.5004	12.7878