Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 2013 2013

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.6192 	land 	CRU	25.13	0.66
msl 	  2.0389 	global 	COADS	11.69	0.17
qnet 	 21.6862 	ocean 	OAFLUX	14.24	1.52
tp 	 27.5893 	global 	CMAP	38.87	0.70
ewss 	 10.7376 	ocean 	DASILVA	4.03	2.66
nsss 	  5.0270 	ocean 	DASILVA	3.10	1.62
T 	  5.1457 	zonal 	ERA40	38.89	0.13
U 	  2.9815 	zonal 	ERA40	12.07	0.24
V 	  2.8603 	zonal 	ERA40	8.25	0.34
Q 	 14.3530 	zonal 	ERA40	29.41	0.48

Total Performance Index is : 3.4246
Partial PI (atm only) is   : 5.4300

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 2013 2013

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.9882 	land 	CRU	25.13	0.51
msl 	  2.0389 	global 	COADS	11.69	0.17
qnet 	 20.5126 	ocean 	OAFLUX	14.24	1.44
tp 	 27.5893 	global 	CMAP	38.87	0.70
ewss 	 11.4016 	ocean 	DASILVA	4.03	2.82
nsss 	  4.5344 	ocean 	DASILVA	3.10	1.46
SST 	  4.5344 	ocean 	GISS	17.21	0
SSS 	  4.5344 	ocean 	levitus	0.22	0
SICE 	  4.5344 	ocean 	GISS	0.34	0
T 	  4.6562 	zonal 	ERA40	38.89	0.11
U 	  2.8159 	zonal 	ERA40	12.07	0.23
V 	  2.7340 	zonal 	ERA40	8.25	0.33
Q 	  8.0935 	zonal 	ERA40	29.41	0.27

Total Performance Index is : 0.6184
Partial PI (atm only) is   : 0.3314