Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vaaa 2001 2001

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.9186 	land 	CRU	25.13	0.67
msl 	  1.9630 	global 	COADS	11.69	0.16
qnet 	 20.3833 	ocean 	OAFLUX	14.24	1.43
tp 	 25.1449 	global 	CMAP	38.87	0.64
ewss 	 10.3631 	ocean 	DASILVA	4.03	2.57
nsss 	  5.1353 	ocean 	DASILVA	3.10	1.65
T 	  5.6402 	zonal 	ERA40	38.89	0.14
U 	  2.8072 	zonal 	ERA40	12.07	0.23
V 	  2.2123 	zonal 	ERA40	8.25	0.26
Q 	 15.9999 	zonal 	ERA40	29.41	0.54

Total Performance Index is : 3.4069
Partial PI (atm only) is   : 5.4300

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vaaa 2001 2001

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.2270 	land 	CRU	25.13	0.56
msl 	  1.9630 	global 	COADS	11.69	0.16
qnet 	 19.1486 	ocean 	OAFLUX	14.24	1.34
tp 	 25.1449 	global 	CMAP	38.87	0.64
ewss 	 11.5098 	ocean 	DASILVA	4.03	2.85
nsss 	  4.3075 	ocean 	DASILVA	3.10	1.38
SST 	  4.3075 	ocean 	GISS	17.21	0
SSS 	  4.3075 	ocean 	levitus	0.22	0
SICE 	  4.3075 	ocean 	GISS	0.34	0
T 	  4.9042 	zonal 	ERA40	38.89	0.12
U 	  2.5627 	zonal 	ERA40	12.07	0.21
V 	  2.0789 	zonal 	ERA40	8.25	0.25
Q 	  9.6593 	zonal 	ERA40	29.41	0.32

Total Performance Index is : 0.6023
Partial PI (atm only) is   : 0.3228