condition	mean	min	max
4 h after light	8.025115	7.62072	8.42951
8 h after light	10.58182	9.55334	11.6103
12 h after light	14.05075	14.0144	14.0871
4 h after dark	23.8088	21.7768	25.8408
8 h after dark	15.25745	15.0485	15.4664
12 h after dark	11.44985	11.1901	11.7096