Information for pair0052: x and y are 4-dimensional variables for day 51 resp. 50 of year 2000 on a 144x73 grid (2.5 degree). The four dimensions are: x: year 2000, day 51 y: year 2000, day 50 1) Mean Daily Air temperature at sigma level 995 variable type: int16 skalefactor: 0.00999999977648258 add offset: 512.809997558594 units: degK 2) Mean Daily pressure at surface variable type: int16 skalefactor: 10 add offset: 367650 units: Pascal 3) Mean Daily sea level pressure variable type: int16 add offset: 119765 units: Pascal 4) Mean Daily relative humidity at sigma level 995 variable type: int16 add offset: 302.649993896484 scale factor: 0.00999999977648258 units: % Data source: http://www.esrl.noaa.gov/psd/data/gridded/data.ncep.reanalysis.surface.html ground truth: y --> x