MONTH PACIFIC SST ATLANTIC SST GLOBAL
NINO 1+2

0-10S

90W-80W

NINO 3

5N-5S

150W-90W

NINO 3.4

5N-5S

170W-120W

NINO 4

5N-5S

160E-150W

N. ATL

5N-20N

60W-30W

S. ATL

0-20S

30W-10E

TROPICS

10N-10S

0W-360W

JUN 00 -0.4 22.2 -0.4 25.9 -0.4 27.0 -0.5 28.1 -0.2 26.4 0.3 25.0 0.1 27.7
MAY 00 0.1 23.9 0.0 26.8 -0.5 27.1 -0.8 27.8 -0.2 26.1 0.3 26.3 0.1 28.3
APR 00 0.6 25.7 0.2 27.5 -0.6 27.0 -1.0 27.4 -0.2 25.6 0.3 27.1 0.0 28.4
MAR 00 0.0 26.0 -0.3 26.6 -1.0 26.1 -1.4 26.8 -0.1 25.4 0.2 27.1 -0.1 27.9
FEB 00 -0.2 25.6 -0.9 25.3 -1.5 25.2 -1.4 26.7 -0.1 25.4 0.4 26.7 -0.2 27.5
JAN 00 -0.6 23.8 -1.6 23.9 -1.8 24.7 -1.2 27.0 0.1 26.0 0.2 25.6 -0.2 27.2
DEC 99 -0.9 21.7 -1.5 23.5 -1.6 24.9 -1.0 27.2 0.6 27.2 0.4 24.9 -0.2 27.3
NOV 99 -1.0 20.5 -1.3 23.5 -1.3 25.1 -0.8 27.6 0.3 27.7 0.3 24.0 -0.2 27.2
OCT 99 -0.6 20.1 -1.0 23.8 -0.9 25.6 -0.6 27.8 0.4 28.2 0.3 23.4 -0.1 27.1
SEP 99 -1.0 19.2 -1.0 23.7 -0.9 25.7 -0.6 27.8 0.4 28.2 0.2 23.1 -0.1 26.9
AUG 99 -0.8 19.8 -0.8 24.0 -1.1 25.6 -0.7 27.7 0.4 27.9 0.4 23.3 0.0 26.9
JUL 99 -1.1 20.5 -0.6 24.9 -0.7 26.3 -0.6 27.9 0.3 27.3 0.6 24.2 0.0 27.2



TABLE T2 - Mean and anomalous sea surface temperature (C) for the most recent 12 months. Anomalies are departures from the 1961-1990 adjusted OI climatology (Smith and Reynolds 1998, J. Climate, 11, 3320-3323).