Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 2005 2005

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.8562 	land 	CRU	25.13	0.59
msl 	  2.1965 	global 	COADS	11.69	0.18
qnet 	 20.5475 	ocean 	OAFLUX	14.24	1.44
tp 	 34.5252 	global 	CMAP	38.87	0.88
ewss 	  9.0764 	ocean 	DASILVA	4.03	2.25
nsss 	  6.1305 	ocean 	DASILVA	3.10	1.97
SST 	 39.1282 	ocean 	GISS	17.21	2.27
SSS 	  0.1389 	ocean 	levitus	0.22	0.63
SICE 	2069.0766 	ocean 	GISS	0.34	6085.51
T 	 25.6202 	zonal 	ERA40	38.89	0.65
U 	  3.1867 	zonal 	ERA40	12.07	0.26
V 	  2.4539 	zonal 	ERA40	8.25	0.29
Q 	 28.0865 	zonal 	ERA40	29.41	0.95

Total Performance Index is : 469.0669
Partial PI (atm only) is   : 0.5428

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 2005 2005

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.8431 	land 	CRU	25.13	0.51
msl 	  2.1965 	global 	COADS	11.69	0.18
qnet 	 19.4008 	ocean 	OAFLUX	14.24	1.36
tp 	 34.5252 	global 	CMAP	38.87	0.88
ewss 	  9.2777 	ocean 	DASILVA	4.03	2.30
nsss 	  5.8283 	ocean 	DASILVA	3.10	1.88
SST 	 39.1282 	ocean 	GISS	17.21	2.27
SSS 	  0.1389 	ocean 	levitus	0.22	0.63
SICE 	2069.0766 	ocean 	GISS	0.34	6085.51
T 	 25.0196 	zonal 	ERA40	38.89	0.64
U 	  3.0916 	zonal 	ERA40	12.07	0.25
V 	  2.3692 	zonal 	ERA40	8.25	0.28
Q 	 22.7333 	zonal 	ERA40	29.41	0.77

Total Performance Index is : 469.0353
Partial PI (atm only) is   : 0.5014