Anomalies in Northern Hemisphere average sea surface temperature from HadSST2

Figure Created 12 Nov 2009 Published 12 Nov 2009 Last modified 29 Nov 2012
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HadSST2 = Hadley Centre sea surface temperature data set



Additional information

Anomalies are relative to 1961-1990. Annual series are smoothed with a filter. The line shows the best estimate removing all uncertainties (station, sampling, coverage and bias)

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