Year	AmeriFlux mean (mm/month)	R-square		RMSE (mm/month)
Year	AmeriFlux mean (mm/month)	SSEBop	GG-NDVI	SSEBop	GG-NDVI
2000	43	0.82	0.79	16	15
2001	44	0.54	0.58	23	20
2002	41	0.73	0.67	19	16
2003	42	0.68	0.65	21	17
2004	42	0.68	0.60	18	18
2005	42	0.37	0.57	28	18
2006	41	0.61	0.55	20	18
2007	34	0.40	0.40	18	17
All years	44	0.65	0.61	19	18