Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c245 2035 2035

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.5472 	land 	CRU	25.13	0.65
msl 	  2.4561 	global 	COADS	11.69	0.21
qnet 	 19.7672 	ocean 	OAFLUX	14.24	1.38
tp 	 35.1222 	global 	CMAP	38.87	0.90
ewss 	  9.0460 	ocean 	DASILVA	4.03	2.24
nsss 	  5.6962 	ocean 	DASILVA	3.10	1.83
SST 	 52.2471 	ocean 	GISS	17.21	3.03
SSS 	  0.1635 	ocean 	levitus	0.22	0.74
SICE 	1682.5891 	ocean 	GISS	0.34	4948.79
T 	 40.8178 	zonal 	ERA40	38.89	1.04
U 	  2.8525 	zonal 	ERA40	12.07	0.23
V 	  2.0583 	zonal 	ERA40	8.25	0.24
Q 	 30.9847 	zonal 	ERA40	29.41	1.05

Total Performance Index is : 381.7176
Partial PI (atm only) is   : 0.6171

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c245 2035 2035

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.0784 	land 	CRU	25.13	0.48
msl 	  2.4561 	global 	COADS	11.69	0.21
qnet 	 18.6020 	ocean 	OAFLUX	14.24	1.30
tp 	 35.1222 	global 	CMAP	38.87	0.90
ewss 	  9.4492 	ocean 	DASILVA	4.03	2.34
nsss 	  5.0310 	ocean 	DASILVA	3.10	1.62
SST 	 52.2471 	ocean 	GISS	17.21	3.03
SSS 	  0.1635 	ocean 	levitus	0.22	0.74
SICE 	1682.5891 	ocean 	GISS	0.34	4948.79
T 	 40.5822 	zonal 	ERA40	38.89	1.04
U 	  2.6775 	zonal 	ERA40	12.07	0.22
V 	  1.9637 	zonal 	ERA40	8.25	0.23
Q 	 26.3302 	zonal 	ERA40	29.41	0.89

Total Performance Index is : 381.6761
Partial PI (atm only) is   : 0.5671