NINO3.4 Index
The NINO3.4 index is one of several El Niño/Southern Oscillation (ENSO) indicators based on sea surface temperatures.
NINO3.4 is the average sea surface temperature anomaly in the region bounded by 5°N to 5°S, from 170°W to 120°W. This region has large variability on El Niño time scales, and is close to the region where changes in local sea-surface temperature are important for shifting the large region of rainfall typically located in the far western Pacific.
An El Niño or La Niña event is identified if the 5-month running-average of the NINO3.4 index exceeds +0.4°C for El Niño or -0.4°C for La Niña for at least 6 consecutive months.
Now Temperature
At Darwin Ap
20:40 CST
20°C
33°C
Mostly sunny
Weather News
Wintry week in southern Australia
11:15 EST
A series of complex low pressure systems, fronts and troughs will bring cold, wet and windy weather to southern Australia this week.
Coldest morning of winter for NSW Alps
14:57 EST
In Thredbo, Perisher and Cooma, this morning was the coldest it has been all winter.
