Maximum surface air temperature (Tmax) anomaly regressed onto different El Niño indices. Results are based on NCEP reanalysis during 1948–2016. Monthly anomalies are calculated relative to the climatology of 1950–1999.

Maximum surface air temperature (Tmax): Annual

Tmax-Annual Image

Maximum surface air temperature (Tmax): December to February

Tmax-Dec - feb Image

Maximum surface air temperature (Tmax): March to May

Tmax-March-May Image

Maximum surface air temperature (Tmax): June to August

Tmax-June-Aug Image

Maximum surface air temperature (Tmax): September to November

Tmax-Sep-Nov Image