condition	mean	min	max
4 h after light	12.459336	12.381804	12.536868
8 h after light	14.0797975	12.524847	15.634748
12 h after light	15.9369045	14.217938	17.655871
4 h after dark	14.7962645	14.217938	15.374591
8 h after dark	14.217938	14.217938	14.217938
12 h after dark	15.693804	15.693804	15.693804