This metadata record describes a mix of intertidal seawater and air temperature data collected at Cape Arago, Oregon, USA by PISCO. Measurements were collected using micro-T Temperature Logger (NexSens DS1921G) beginning 2006-08-11. Site temperature loggers are bolted down in a wire cage at various locations within each site. Mussel growth temperature loggers are bolted down in a wire cage at high, mid, or low positions within a mussel bed. Temperature is recorded at 60.0 minute intervals.