Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1963 1963

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 30.6259 	land 	CRU	25.13	1.21
msl 	  3.8144 	global 	COADS	11.69	0.32
qnet 	 22.0440 	ocean 	OAFLUX	14.24	1.54
tp 	 41.8764 	global 	CMAP	38.87	1.07
ewss 	  8.5222 	ocean 	DASILVA	4.03	2.11
nsss 	  6.9022 	ocean 	DASILVA	3.10	2.22
SST 	 35.0429 	ocean 	GISS	17.21	2.03
SSS 	  0.1638 	ocean 	levitus	0.22	0.74
SICE 	2882.0181 	ocean 	GISS	0.34	8476.52
T 	 28.4799 	zonal 	ERA40	38.89	0.73
U 	  3.3046 	zonal 	ERA40	12.07	0.27
V 	  2.2643 	zonal 	ERA40	8.25	0.27
Q 	 36.3224 	zonal 	ERA40	29.41	1.23

Total Performance Index is : 653.0969
Partial PI (atm only) is   : 0.7285

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1963 1963

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 30.8129 	land 	CRU	25.13	1.22
msl 	  3.8144 	global 	COADS	11.69	0.32
qnet 	 20.9072 	ocean 	OAFLUX	14.24	1.46
tp 	 41.8764 	global 	CMAP	38.87	1.07
ewss 	  8.6742 	ocean 	DASILVA	4.03	2.15
nsss 	  5.9417 	ocean 	DASILVA	3.10	1.91
SST 	 35.0429 	ocean 	GISS	17.21	2.03
SSS 	  0.1638 	ocean 	levitus	0.22	0.74
SICE 	2882.0181 	ocean 	GISS	0.34	8476.52
T 	 26.1485 	zonal 	ERA40	38.89	0.67
U 	  2.9658 	zonal 	ERA40	12.07	0.24
V 	  2.1521 	zonal 	ERA40	8.25	0.26
Q 	 29.4626 	zonal 	ERA40	29.41	1.00

Total Performance Index is : 653.0453
Partial PI (atm only) is   : 0.6828