We wish to thank A. Kaplan for making the reconstructed SST dataset available to us and J. Harris for help with the UWM/COADS data. We also thank C. Folland and an anonymous reviewer for helpful comments on an earlier version of this manuscript. Our research has been supported by the National Oceanic and Atmospheric Administration (NOAA) through its Pan-American Climate Studies program, by the Inter-American Institute for Global Change Research (IAI), and by the NOAA Environmental Research Laboratories through their base funding of our laboratory.
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