Minimum surface air temperature (Tmin) 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.
Minimum surface air temperature (Tmin): Annual
Minimum surface air temperature (Tmin): December to February
Minimum surface air temperature (Tmin): March to May
Minimum surface air temperature (Tmin): June to August
Minimum surface air temperature (Tmin): September to November
