NOAA ESRL PSD rean20thcent V2 six-hourly time_invariant

NOAA ESRL PSD rean20thcent V2 six-hourly time_invariant: Time-Invariant Data
Resolution: 2x2; Longitude: global; Latitude: global; Time: [0000 1 Jan 1891,0000 1 Jan 1891]

• Geopotential Height at Surface (m) [ lon lat ]