Table 1: Index anomalies for Spring 1999 and 1994. Anomalies are computed from 1961–2010 seasonal mean.

IndexSON 1999SON 1994

ENSO−1.2°C0.9°C
SST1−0.22°C−0.08°C
SST2−0.65°C0.23°C
SST3−0.3°C0.09°C
OLR1.53 w/m2−17.41 w/m2
LATA−0.83°0
LONA1.53°−5.97°
IA3.59 m−4.49 m
AAO2.37−0.98
DMI−0.18°C2.34°C