| 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 | ||||||||
| SEP 99 | -1.0 | 19.2 | -0.9 | 23.7 | -0.7 | 25.7 | -0.5 | 27.8 | 0.5 | 28.3 | 0.4 | 23.1 | 0.0 | 26.9 |
| AUG 99 | -0.9 | 19.8 | -0.8 | 24.0 | -1.1 | 25.6 | -0.6 | 27.7 | 0.4 | 27.9 | 0.6 | 23.3 | 0.1 | 26.9 |
| JUL 99 | -1.0 | 20.5 | -0.5 | 24.9 | -0.6 | 26.3 | -0.6 | 27.9 | 0.4 | 27.3 | 0.8 | 24.2 | 0.1 | 27.2 |
| JUN 99 | -0.8 | 21.8 | -0.6 | 25.6 | -0.8 | 26.6 | -0.5 | 28.0 | 0.1 | 26.6 | 0.6 | 25.1 | 0.0 | 27.7 |
| MAY 99 | -0.5 | 23.5 | -0.3 | 26.4 | -0.6 | 27.0 | -0.7 | 27.9 | 0.1 | 26.3 | 0.6 | 26.4 | 0.0 | 28.2 |
| APR 99 | -1.0 | 24.3 | -0.6 | 26.7 | -0.7 | 26.8 | -1.0 | 27.4 | 0.0 | 25.8 | 0.6 | 27.2 | 0.0 | 28.2 |
| MAR 99 | -0.4 | 26.6 | -0.2 | 26.7 | -0.8 | 26.2 | -1.2 | 26.9 | 0.0 | 25.5 | 0.3 | 27.0 | 0.1 | 28.1 |
| FEB 99 | -0.1 | 25.6 | -0.6 | 25.6 | -1.2 | 25.4 | -1.5 | 26.5 | -0.1 | 25.4 | 0.1 | 26.3 | 0.0 | 27.6 |
| JAN 99 | -0.5 | 23.7 | -0.9 | 24.4 | -1.5 | 24.9 | -1.5 | 26.6 | -0.1 | 25.8 | 0.0 | 25.3 | 0.0 | 27.3 |
| DEC 98 | 0.1 | 22.6 | -1.0 | 23.9 | -1.6 | 24.8 | -1.1 | 27.1 | 0.4 | 27.0 | 0.2 | 24.6 | 0.1 | 27.4 |
| NOV 98 | 0.0 | 21.4 | -0.6 | 24.1 | -1.2 | 25.2 | -1.0 | 27.2 | 0.5 | 27.9 | 0.5 | 24.1 | 0.3 | 27.6 |
| OCT 98 | 0.6 | 21.2 | -0.6 | 24.1 | -1.1 | 25.3 | -1.0 | 27.3 | 0.7 | 28.5 | 0.3 | 23.4 | 0.4 | 27.4 |
TABLE T2 - Mean and anomalous sea surface temperature (°C) for the most recent 12 months.