Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 2004 2004

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.3472 	land 	CRU	25.13	0.65
msl 	  1.8721 	global 	COADS	11.69	0.16
qnet 	 19.0939 	ocean 	OAFLUX	14.24	1.34
tp 	 24.6837 	global 	CMAP	38.87	0.63
ewss 	  9.5892 	ocean 	DASILVA	4.03	2.37
nsss 	  4.3989 	ocean 	DASILVA	3.10	1.41
T 	  6.2554 	zonal 	ERA40	38.89	0.16
U 	  2.0603 	zonal 	ERA40	12.07	0.17
V 	  1.8427 	zonal 	ERA40	8.25	0.22
Q 	 14.9493 	zonal 	ERA40	29.41	0.50

Total Performance Index is : 3.3546
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 2004 2004

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.3022 	land 	CRU	25.13	0.52
msl 	  1.8721 	global 	COADS	11.69	0.16
qnet 	 17.8601 	ocean 	OAFLUX	14.24	1.25
tp 	 24.6837 	global 	CMAP	38.87	0.63
ewss 	 10.4153 	ocean 	DASILVA	4.03	2.58
nsss 	  3.8856 	ocean 	DASILVA	3.10	1.25
SST 	  3.8856 	ocean 	GISS	17.21	0
SSS 	  3.8856 	ocean 	levitus	0.22	0
SICE 	  3.8856 	ocean 	GISS	0.34	0
T 	  5.6679 	zonal 	ERA40	38.89	0.14
U 	  1.9147 	zonal 	ERA40	12.07	0.15
V 	  1.7342 	zonal 	ERA40	8.25	0.21
Q 	  8.8545 	zonal 	ERA40	29.41	0.30

Total Performance Index is : 0.5530
Partial PI (atm only) is   : 0.3014