We express our gratitude to Carole Hahn, Steve Warren, and Joel Norris who made possible an early processing of the EECRA dataset. Gail Haller helped in retrieving articles from difficult sources. Todd Mitchell assisted in locating the land surface air temperature data. The first author is grateful for comments on this work provided by Mark Cane, Tom Delworth, John Lanzante, Jerry Mahlman, J. M. Wallace, and Song Yang. The first author is extremely grateful for the financial support of the Atmospheric and Oceanic Sciences program at GFDL/Princeton University.
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