Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1885 1885

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	194.9711 	land 	CRU	25.13	7.75
msl 	  4.8279 	global 	COADS	11.69	0.41
qnet 	 20.0836 	ocean 	OAFLUX	14.24	1.41
tp 	 53.1469 	global 	CMAP	38.87	1.36
ewss 	  9.8483 	ocean 	DASILVA	4.03	2.44
nsss 	  7.2490 	ocean 	DASILVA	3.10	2.33
SST 	253.3517 	ocean 	GISS	17.21	14.72
SSS 	  0.2611 	ocean 	levitus	0.22	1.18
SICE 	286.0206 	ocean 	GISS	0.34	841.23
T 	354.1207 	zonal 	ERA40	38.89	9.10
U 	  7.8167 	zonal 	ERA40	12.07	0.64
V 	  3.8647 	zonal 	ERA40	8.25	0.46
Q 	294.7125 	zonal 	ERA40	29.41	10.02

Total Performance Index is : 68.6961
Partial PI (atm only) is   : 4.2485

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1885 1885

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	152.5365 	land 	CRU	25.13	6.06
msl 	  4.8279 	global 	COADS	11.69	0.41
qnet 	 19.0217 	ocean 	OAFLUX	14.24	1.33
tp 	 53.1469 	global 	CMAP	38.87	1.36
ewss 	 12.1831 	ocean 	DASILVA	4.03	3.02
nsss 	  6.7020 	ocean 	DASILVA	3.10	2.16
SST 	253.3517 	ocean 	GISS	17.21	14.72
SSS 	  0.2611 	ocean 	levitus	0.22	1.18
SICE 	286.0206 	ocean 	GISS	0.34	841.23
T 	353.1055 	zonal 	ERA40	38.89	9.07
U 	  6.6648 	zonal 	ERA40	12.07	0.55
V 	  3.7815 	zonal 	ERA40	8.25	0.45
Q 	291.9184 	zonal 	ERA40	29.41	9.92

Total Performance Index is : 68.5738
Partial PI (atm only) is   : 3.9742