Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 2006 2006

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.3820 	land 	CRU	25.13	0.65
msl 	  1.7841 	global 	COADS	11.69	0.15
qnet 	 20.1596 	ocean 	OAFLUX	14.24	1.41
tp 	 25.9084 	global 	CMAP	38.87	0.66
ewss 	 10.7455 	ocean 	DASILVA	4.03	2.66
nsss 	  4.8151 	ocean 	DASILVA	3.10	1.55
T 	  5.2990 	zonal 	ERA40	38.89	0.13
U 	  3.4674 	zonal 	ERA40	12.07	0.28
V 	  2.5052 	zonal 	ERA40	8.25	0.30
Q 	 15.0447 	zonal 	ERA40	29.41	0.51

Total Performance Index is : 3.4076
Partial PI (atm only) is   : 5.4242

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 2006 2006

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.7094 	land 	CRU	25.13	0.54
msl 	  1.7841 	global 	COADS	11.69	0.15
qnet 	 18.9017 	ocean 	OAFLUX	14.24	1.32
tp 	 25.9084 	global 	CMAP	38.87	0.66
ewss 	 11.7082 	ocean 	DASILVA	4.03	2.90
nsss 	  4.7990 	ocean 	DASILVA	3.10	1.54
SST 	  4.7990 	ocean 	GISS	17.21	0
SSS 	  4.7990 	ocean 	levitus	0.22	0
SICE 	  4.7990 	ocean 	GISS	0.34	0
T 	  4.7751 	zonal 	ERA40	38.89	0.12
U 	  3.2640 	zonal 	ERA40	12.07	0.27
V 	  2.3742 	zonal 	ERA40	8.25	0.28
Q 	  8.8466 	zonal 	ERA40	29.41	0.30

Total Performance Index is : 0.6215
Partial PI (atm only) is   : 0.3314