Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vaaa 1992 1992

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.2188 	land 	CRU	25.13	1.00
msl 	  1.4001 	global 	COADS	11.69	0.11
qnet 	 21.4372 	ocean 	OAFLUX	14.24	1.50
tp 	 24.5922 	global 	CMAP	38.87	0.63
ewss 	  9.4565 	ocean 	DASILVA	4.03	2.34
nsss 	  4.4321 	ocean 	DASILVA	3.10	1.42
T 	 10.2349 	zonal 	ERA40	38.89	0.26
U 	  1.4510 	zonal 	ERA40	12.07	0.12
V 	  1.8752 	zonal 	ERA40	8.25	0.22
Q 	 18.5135 	zonal 	ERA40	29.41	0.62

Total Performance Index is : 3.4015
Partial PI (atm only) is   : 5.4800

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vaaa 1992 1992

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 20.4292 	land 	CRU	25.13	0.81
msl 	  1.4001 	global 	COADS	11.69	0.11
qnet 	 20.2876 	ocean 	OAFLUX	14.24	1.42
tp 	 24.5922 	global 	CMAP	38.87	0.63
ewss 	 10.6943 	ocean 	DASILVA	4.03	2.65
nsss 	  3.8846 	ocean 	DASILVA	3.10	1.25
SST 	  3.8846 	ocean 	GISS	17.21	0
SSS 	  3.8846 	ocean 	levitus	0.22	0
SICE 	  3.8846 	ocean 	GISS	0.34	0
T 	  8.5313 	zonal 	ERA40	38.89	0.21
U 	  1.2906 	zonal 	ERA40	12.07	0.10
V 	  1.7619 	zonal 	ERA40	8.25	0.21
Q 	 12.3269 	zonal 	ERA40	29.41	0.41

Total Performance Index is : 0.6000
Partial PI (atm only) is   : 0.3542