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

MAY 01 -0.1 23.8 0.1 26.9 0.0 27.6 0.0 28.6 -0.1 26.1 0.5 26.5 0.3 28.5
APR 01 1.3 26.4 0.3 27.5 0.0 27.5 -0.2 28.2 -0.2 25.7 0.3 27.1 0.3 28.7
MAR 01 1.3 27.4 0.3 27.2 -0.3 26.8 -0.5 27.6 -0.1 25.4 0.1 27.0 0.3 28.3
FEB 01 0.1 25.8 -0.2 26.1 -0.5 26.1 -0.8 27.3 -0.3 25.2 -0.1 26.3 0.1 27.7
JAN 01 -0.5 23.8 -0.5 25.0 -0.7 25.7 -0.6 27.5 -0.4 25.5 0.0 25.5 0.0 27.5
DEC 00 -0.4 22.2 -0.6 24.4 -0.9 25.6 -0.7 27.6 -0.4 26.2 0.0 24.5 0.0 27.4
NOV 00 -0.9 20.6 -0.6 24.2 -0.7 25.8 -0.3 28.1 0.1 27.5 0.1 23.9 0.1 27.5
OCT 00 -0.2 20.4 -0.3 24.4 -0.6 26.0 -0.2 28.2 0.3 28.1 0.2 23.4 0.1 27.3
SEP 00 -0.3 19.9 -0.4 24.4 -0.4 26.2 0.0 28.4 0.1 27.9 0.2 23.0 0.1 27.1
AUG 00 -0.5 20.1 -0.3 24.5 -0.2 26.5 -0.1 28.3 0.2 27.7 0.3 23.2 0.1 27.0
JUl 00 -1.0 20.5 -0.3 25.1 -0.3 26.7 -0.4 28.2 0.0 27.0 0.1 23.7 0.0 27.2
JUN 00 -0.5 22.1 -0.4 25.8 -0.5 27.0 -0.5 28.1 -0.1 26.4 0.2 25.0 0.0 27.7



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).