Table 1.

Century-long daily in situ records of ocean temperatures

Station	Time span	Number of years	Latitude	Longitude	% Complete
Pacific Grove, USA	1920–2014	95	36° 37.3′ N	121° 54.2′ W	94
Scripps Pier, USA	1917–2014	98	32° 52′ N	117° 15.5′ W	97
Newport Beach, USA	1925–2013	89	33° 36′ N	117° 56′ W	98
Arendal, Norway	1924–2016	93	58° 29′ N	8° 47′ E	95
Port Erin, UK	1904–2014	111	54° 5.1′ N	4° 46.1′ W	99
Race Rocks, Canada	1922–2016	95	48° 17.9′ N	123° 32′ W	98

The Norway data were obtained from the Havforskningsinstituttet Institute of Marine Research, the UK data from the Isle of Man Government Laboratory, the USA data from the Shore Stations Programme run by Scripps Institution of Oceanography and the Canada data from Fisheries and Oceans Canada. Note that partial initial and final years were rejected when determining the time span of each record