Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c585 2027 2027

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.2906 	land 	CRU	25.13	0.64
msl 	  1.8537 	global 	COADS	11.69	0.15
qnet 	 19.9467 	ocean 	OAFLUX	14.24	1.40
tp 	 43.3080 	global 	CMAP	38.87	1.11
ewss 	  7.3781 	ocean 	DASILVA	4.03	1.83
nsss 	  5.8237 	ocean 	DASILVA	3.10	1.87
SST 	 52.3058 	ocean 	GISS	17.21	3.03
SSS 	  0.1613 	ocean 	levitus	0.22	0.73
SICE 	1852.3930 	ocean 	GISS	0.34	5448.21
T 	 32.9584 	zonal 	ERA40	38.89	0.84
U 	  2.6212 	zonal 	ERA40	12.07	0.21
V 	  2.1408 	zonal 	ERA40	8.25	0.25
Q 	 31.5916 	zonal 	ERA40	29.41	1.07

Total Performance Index is : 420.1030
Partial PI (atm only) is   : 0.6100

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c585 2027 2027

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.9283 	land 	CRU	25.13	0.51
msl 	  1.8537 	global 	COADS	11.69	0.15
qnet 	 18.7540 	ocean 	OAFLUX	14.24	1.31
tp 	 43.3080 	global 	CMAP	38.87	1.11
ewss 	  7.2552 	ocean 	DASILVA	4.03	1.80
nsss 	  4.9630 	ocean 	DASILVA	3.10	1.60
SST 	 52.3058 	ocean 	GISS	17.21	3.03
SSS 	  0.1613 	ocean 	levitus	0.22	0.73
SICE 	1852.3930 	ocean 	GISS	0.34	5448.21
T 	 32.6972 	zonal 	ERA40	38.89	0.84
U 	  2.4936 	zonal 	ERA40	12.07	0.20
V 	  2.0257 	zonal 	ERA40	8.25	0.24
Q 	 26.5929 	zonal 	ERA40	29.41	0.90

Total Performance Index is : 420.0484
Partial PI (atm only) is   : 0.5642