Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 1981 1981

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 21.4638 	land 	CRU	25.13	0.85
msl 	  1.6467 	global 	COADS	11.69	0.14
qnet 	 21.1261 	ocean 	OAFLUX	14.24	1.48
tp 	 23.2237 	global 	CMAP	38.87	0.59
ewss 	 10.9558 	ocean 	DASILVA	4.03	2.71
nsss 	  5.2884 	ocean 	DASILVA	3.10	1.70
T 	  9.2514 	zonal 	ERA40	38.89	0.23
U 	  2.7940 	zonal 	ERA40	12.07	0.23
V 	  2.3235 	zonal 	ERA40	8.25	0.28
Q 	 20.3066 	zonal 	ERA40	29.41	0.69

Total Performance Index is : 3.4538
Partial PI (atm only) is   : 5.4671

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 1981 1981

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.9438 	land 	CRU	25.13	0.71
msl 	  1.6467 	global 	COADS	11.69	0.14
qnet 	 19.9374 	ocean 	OAFLUX	14.24	1.40
tp 	 23.2237 	global 	CMAP	38.87	0.59
ewss 	 12.4104 	ocean 	DASILVA	4.03	3.07
nsss 	  4.4905 	ocean 	DASILVA	3.10	1.44
SST 	  4.4905 	ocean 	GISS	17.21	0
SSS 	  4.4905 	ocean 	levitus	0.22	0
SICE 	  4.4905 	ocean 	GISS	0.34	0
T 	  8.0275 	zonal 	ERA40	38.89	0.20
U 	  2.5174 	zonal 	ERA40	12.07	0.20
V 	  2.2042 	zonal 	ERA40	8.25	0.26
Q 	 13.8028 	zonal 	ERA40	29.41	0.46

Total Performance Index is : 0.6515
Partial PI (atm only) is   : 0.3657