Lag correlation coefficient of the precipitation anomalies (1961-1985)
at station Cultuurtuin for December-February (DJF), March-May (MAM), JuneAugust
(JJA) and September-November (SON) with the (a) TNA SSTAs, (b) TSA
SSTAs, (c) Niño 1+2 SSTAs, (d) Niño 3+4 SSTAs, (e) Atlantic Niño SSTAs and (f)
tropical Atlantic dipole SSTAs. Note: lag positive, SSTAs leading index.