Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 2002 2002

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.9869 	land 	CRU	25.13	0.67
msl 	  1.0976 	global 	COADS	11.69	0.09
qnet 	 18.7864 	ocean 	OAFLUX	14.24	1.31
tp 	 24.6625 	global 	CMAP	38.87	0.63
ewss 	  9.1175 	ocean 	DASILVA	4.03	2.26
nsss 	  4.5574 	ocean 	DASILVA	3.10	1.47
T 	  6.1876 	zonal 	ERA40	38.89	0.15
U 	  2.1374 	zonal 	ERA40	12.07	0.17
V 	  2.1582 	zonal 	ERA40	8.25	0.26
Q 	 16.3836 	zonal 	ERA40	29.41	0.55

Total Performance Index is : 3.3507
Partial PI (atm only) is   : 5.4200

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 2002 2002

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.5669 	land 	CRU	25.13	0.53
msl 	  1.0976 	global 	COADS	11.69	0.09
qnet 	 17.5593 	ocean 	OAFLUX	14.24	1.23
tp 	 24.6625 	global 	CMAP	38.87	0.63
ewss 	 10.0110 	ocean 	DASILVA	4.03	2.48
nsss 	  3.8694 	ocean 	DASILVA	3.10	1.24
SST 	  3.8694 	ocean 	GISS	17.21	0
SSS 	  3.8694 	ocean 	levitus	0.22	0
SICE 	  3.8694 	ocean 	GISS	0.34	0
T 	  5.5650 	zonal 	ERA40	38.89	0.14
U 	  1.9518 	zonal 	ERA40	12.07	0.16
V 	  2.0386 	zonal 	ERA40	8.25	0.24
Q 	  9.9320 	zonal 	ERA40	29.41	0.33

Total Performance Index is : 0.5438
Partial PI (atm only) is   : 0.3028