Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1886 1886

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 37.9168 	land 	CRU	25.13	1.50
msl 	  2.8917 	global 	COADS	11.69	0.24
qnet 	 20.2705 	ocean 	OAFLUX	14.24	1.42
tp 	 32.2358 	global 	CMAP	38.87	0.82
ewss 	  9.0736 	ocean 	DASILVA	4.03	2.25
nsss 	  5.8503 	ocean 	DASILVA	3.10	1.88
SST 	 30.9019 	ocean 	GISS	17.21	1.79
SSS 	  0.1759 	ocean 	levitus	0.22	0.79
SICE 	2941.7679 	ocean 	GISS	0.34	8652.25
T 	 33.1881 	zonal 	ERA40	38.89	0.85
U 	  4.3633 	zonal 	ERA40	12.07	0.36
V 	  2.7919 	zonal 	ERA40	8.25	0.33
Q 	 39.1050 	zonal 	ERA40	29.41	1.32

Total Performance Index is : 666.6000
Partial PI (atm only) is   : 0.7742

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1886 1886

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 34.9890 	land 	CRU	25.13	1.39
msl 	  2.8917 	global 	COADS	11.69	0.24
qnet 	 19.0374 	ocean 	OAFLUX	14.24	1.33
tp 	 32.2358 	global 	CMAP	38.87	0.82
ewss 	  9.4035 	ocean 	DASILVA	4.03	2.33
nsss 	  5.3393 	ocean 	DASILVA	3.10	1.72
SST 	 30.9019 	ocean 	GISS	17.21	1.79
SSS 	  0.1759 	ocean 	levitus	0.22	0.79
SICE 	2941.7679 	ocean 	GISS	0.34	8652.25
T 	 30.8591 	zonal 	ERA40	38.89	0.79
U 	  3.9237 	zonal 	ERA40	12.07	0.32
V 	  2.6743 	zonal 	ERA40	8.25	0.32
Q 	 31.4728 	zonal 	ERA40	29.41	1.07

Total Performance Index is : 666.5507
Partial PI (atm only) is   : 0.7071