 

Field
NODC 0100m mean temperature
Mean temperature anomalies from WOA09 : mean_temperature_anomaly 0100 m seasonal 1.00 degree
X axis: whole world in 360 1.00° steps, first point at 179.50° W, last point at 179.50° E Y axis: regular grid with 180 1.00° steps, first point at 89.50° S, last point at 89.50° N Z at 0.00 Monthly data available from Feb1955 to Jan2020 ( 780 months) Variable T_dC_mt (mean temperature anomaly 0100m) in degrees_Celsius Full metadata. Construct a statistical forecast model from this field Compute anomalies
Compute zonal mean
If you really want to get it here, NODC 0100m mean temperature is available as a netcdf file (size 196.884 MB). 
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