Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vaaa 1995 1995

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.5416 	land 	CRU	25.13	0.65
msl 	  1.5013 	global 	COADS	11.69	0.12
qnet 	 21.2262 	ocean 	OAFLUX	14.24	1.49
tp 	 24.9889 	global 	CMAP	38.87	0.64
ewss 	  9.9989 	ocean 	DASILVA	4.03	2.48
nsss 	  4.2896 	ocean 	DASILVA	3.10	1.38
T 	  5.7267 	zonal 	ERA40	38.89	0.14
U 	  2.2781 	zonal 	ERA40	12.07	0.18
V 	  2.2041 	zonal 	ERA40	8.25	0.26
Q 	 16.5528 	zonal 	ERA40	29.41	0.56

Total Performance Index is : 3.3769
Partial PI (atm only) is   : 5.4242

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vaaa 1995 1995

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.1325 	land 	CRU	25.13	0.56
msl 	  1.5013 	global 	COADS	11.69	0.12
qnet 	 20.0649 	ocean 	OAFLUX	14.24	1.40
tp 	 24.9889 	global 	CMAP	38.87	0.64
ewss 	 10.5713 	ocean 	DASILVA	4.03	2.62
nsss 	  3.8896 	ocean 	DASILVA	3.10	1.25
SST 	  3.8896 	ocean 	GISS	17.21	0
SSS 	  3.8896 	ocean 	levitus	0.22	0
SICE 	  3.8896 	ocean 	GISS	0.34	0
T 	  5.0433 	zonal 	ERA40	38.89	0.12
U 	  2.0865 	zonal 	ERA40	12.07	0.17
V 	  2.0968 	zonal 	ERA40	8.25	0.25
Q 	 10.3887 	zonal 	ERA40	29.41	0.35

Total Performance Index is : 0.5753
Partial PI (atm only) is   : 0.3157