Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 2007 2007

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.2917 	land 	CRU	25.13	0.72
msl 	  2.3928 	global 	COADS	11.69	0.20
qnet 	 20.6931 	ocean 	OAFLUX	14.24	1.45
tp 	 24.6277 	global 	CMAP	38.87	0.63
ewss 	 10.0235 	ocean 	DASILVA	4.03	2.48
nsss 	  4.5975 	ocean 	DASILVA	3.10	1.48
T 	  5.5359 	zonal 	ERA40	38.89	0.14
U 	  3.0122 	zonal 	ERA40	12.07	0.24
V 	  2.1026 	zonal 	ERA40	8.25	0.25
Q 	 15.3446 	zonal 	ERA40	29.41	0.52

Total Performance Index is : 3.3930
Partial PI (atm only) is   : 5.4385

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 2007 2007

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.0958 	land 	CRU	25.13	0.64
msl 	  2.3928 	global 	COADS	11.69	0.20
qnet 	 19.5184 	ocean 	OAFLUX	14.24	1.37
tp 	 24.6277 	global 	CMAP	38.87	0.63
ewss 	 10.6589 	ocean 	DASILVA	4.03	2.64
nsss 	  4.2563 	ocean 	DASILVA	3.10	1.37
SST 	  4.2563 	ocean 	GISS	17.21	0
SSS 	  4.2563 	ocean 	levitus	0.22	0
SICE 	  4.2563 	ocean 	GISS	0.34	0
T 	  4.9638 	zonal 	ERA40	38.89	0.12
U 	  2.8460 	zonal 	ERA40	12.07	0.23
V 	  1.9857 	zonal 	ERA40	8.25	0.24
Q 	  9.1874 	zonal 	ERA40	29.41	0.31

Total Performance Index is : 0.5961
Partial PI (atm only) is   : 0.3385