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Table 3 List of observational data products used in analyses in this paper. A 1.0° longitude by 1.0° latitude grid box covers 7900 km2 on average across the globe, being larger on the equator than at the poles

From: Rapid systematic assessment of the detection and attribution of regional anthropogenic climate change

Climate variable Data products Spatial resolution (km2)
Terrestrial air temperature CRU TS 3.22 (Harris et al. 2014) 2000
GISTEMP (250 km land) (Hansen et al. 2010) 63,000
UDel v3.01 (Matsuura and Willmott 2012) 2000
Precipitation CRU TS 3.22 (Harris et al. 2014) 2000
GPCC v6 (Schneider et al. 2014) 7900
NOAA PRECL (1° × 1°) (Chen et al. 2002) 7900
UDel v3.01 (Matsuura and Willmott 2012) 2000
Sea surface temperature HadISST1 (Rayner et al. 2003) 7900
Hurrell (Hurrell et al. 2008) 9200