David Stephenson wishes to thank Philip Arkin, Chet Ropelewski, Dennis Shea, and Tom Smith for discussions about rainfall, and Philippe Besse, and Ian Jolliffe for their statistical advice. K. Rupa Kumar is grateful to Prof. D. A. Mooley for his helpful remarks and to Jean-Pierre Ceron and Jean-Francois Gueremy for interesting discussions on intraseasonal monsoon variability. DBS, RKK, and FJDR were supported by Grants ENV4-CT95-0122 (SHIVA project) and ENV4-CT95-018 (HIRETYCS project) from the European Commission.
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