Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 2003 2003

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.2632 	land 	CRU	25.13	0.52
msl 	  1.6268 	global 	COADS	11.69	0.13
qnet 	 20.0225 	ocean 	OAFLUX	14.24	1.40
tp 	 25.3929 	global 	CMAP	38.87	0.65
ewss 	 10.5733 	ocean 	DASILVA	4.03	2.62
nsss 	  4.4527 	ocean 	DASILVA	3.10	1.43
T 	  5.9123 	zonal 	ERA40	38.89	0.15
U 	  2.4097 	zonal 	ERA40	12.07	0.19
V 	  1.9498 	zonal 	ERA40	8.25	0.23
Q 	 14.9182 	zonal 	ERA40	29.41	0.50

Total Performance Index is : 3.3707
Partial PI (atm only) is   : 5.4000

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 2003 2003

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 10.2659 	land 	CRU	25.13	0.40
msl 	  1.6268 	global 	COADS	11.69	0.13
qnet 	 18.8860 	ocean 	OAFLUX	14.24	1.32
tp 	 25.3929 	global 	CMAP	38.87	0.65
ewss 	 11.8731 	ocean 	DASILVA	4.03	2.94
nsss 	  4.1819 	ocean 	DASILVA	3.10	1.34
SST 	  4.1819 	ocean 	GISS	17.21	0
SSS 	  4.1819 	ocean 	levitus	0.22	0
SICE 	  4.1819 	ocean 	GISS	0.34	0
T 	  5.2156 	zonal 	ERA40	38.89	0.13
U 	  2.2845 	zonal 	ERA40	12.07	0.18
V 	  1.8197 	zonal 	ERA40	8.25	0.22
Q 	  8.6281 	zonal 	ERA40	29.41	0.29

Total Performance Index is : 0.5846
Partial PI (atm only) is   : 0.2857