NINO3.4 SST anomalies did not make it 0.0 deg C anomaly over the past few weeks but they got close. For the week centered on June 15, 2011, the central equatorial Pacific (NINO3.4 region) SST anomalies are approximately -0.06 deg C.
NINO3.4 SST Anomalies – Short-Term
Weekly Global SST have made a good-sized increase in recent weeks, after a slow rebound from the La Niña minimum over the past few months. For the week centered on May 18, 2011, Global SST anomalies are +0.167 deg C.
Global SST Anomalies – Short-Term
This weekly Reynolds OI.v2 SST dataset begins in 1990. I’ve started the graphs in 2004 to make the variations visible.
OI.v2 SST anomaly data is available through the NOAA NOMADS system: