/Decadal
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PPT index 90W:60W,5N:20N JJA CF Model + Obs: PPT index 90W:60W,5N:20N JJA HadSST reg on PPT index 90W:60W,5N:20N JJA (H3, NCEP) MSLP reg on PPT index 90W:60W,5N:20N JJA (H3, NCEP) Reg GMSLP onto annual mean LPH18 NA SST index

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