Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vaaa 1994 1994

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.7230 	land 	CRU	25.13	0.74
msl 	  1.6554 	global 	COADS	11.69	0.14
qnet 	 19.5302 	ocean 	OAFLUX	14.24	1.37
tp 	 24.2697 	global 	CMAP	38.87	0.62
ewss 	 10.4944 	ocean 	DASILVA	4.03	2.60
nsss 	  5.0777 	ocean 	DASILVA	3.10	1.63
T 	  7.2890 	zonal 	ERA40	38.89	0.18
U 	  1.8459 	zonal 	ERA40	12.07	0.15
V 	  2.0181 	zonal 	ERA40	8.25	0.24
Q 	 17.7424 	zonal 	ERA40	29.41	0.60

Total Performance Index is : 3.4053
Partial PI (atm only) is   : 5.4428

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vaaa 1994 1994

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.9007 	land 	CRU	25.13	0.63
msl 	  1.6554 	global 	COADS	11.69	0.14
qnet 	 18.3224 	ocean 	OAFLUX	14.24	1.28
tp 	 24.2697 	global 	CMAP	38.87	0.62
ewss 	 11.3253 	ocean 	DASILVA	4.03	2.81
nsss 	  4.7734 	ocean 	DASILVA	3.10	1.53
SST 	  4.7734 	ocean 	GISS	17.21	0
SSS 	  4.7734 	ocean 	levitus	0.22	0
SICE 	  4.7734 	ocean 	GISS	0.34	0
T 	  6.5499 	zonal 	ERA40	38.89	0.16
U 	  1.6972 	zonal 	ERA40	12.07	0.14
V 	  1.9062 	zonal 	ERA40	8.25	0.23
Q 	 11.8876 	zonal 	ERA40	29.41	0.40

Total Performance Index is : 0.6107
Partial PI (atm only) is   : 0.3314