Table S1.

Observational data products used for evaluation of CMIP5 models

Name	Grid spacing	Years analyzed	References
MERRA-Land	2/3° lon. × 1/2° lat.	1980 through 2012	Reichle et al. (47)
Princeton global meteorological forcing dataset	1° × 1°	1950 through 2010	Sheffield et al. (44)
TRMM 3B43	0.25° × 0.25°	1998 thru 2012	Huffman et al. (48, 49)