Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 1972 1972

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.6304 	land 	CRU	25.13	0.94
msl 	  2.1810 	global 	COADS	11.69	0.18
qnet 	 18.4570 	ocean 	OAFLUX	14.24	1.29
tp 	 25.4509 	global 	CMAP	38.87	0.65
ewss 	  9.6922 	ocean 	DASILVA	4.03	2.40
nsss 	  5.0520 	ocean 	DASILVA	3.10	1.62
T 	 11.3986 	zonal 	ERA40	38.89	0.29
U 	  3.1288 	zonal 	ERA40	12.07	0.25
V 	  1.9848 	zonal 	ERA40	8.25	0.24
Q 	 21.3621 	zonal 	ERA40	29.41	0.72

Total Performance Index is : 3.4292
Partial PI (atm only) is   : 5.4985

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 1972 1972

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.0464 	land 	CRU	25.13	0.87
msl 	  2.1810 	global 	COADS	11.69	0.18
qnet 	 17.2094 	ocean 	OAFLUX	14.24	1.20
tp 	 25.4509 	global 	CMAP	38.87	0.65
ewss 	 10.2361 	ocean 	DASILVA	4.03	2.53
nsss 	  4.6920 	ocean 	DASILVA	3.10	1.51
SST 	  4.6920 	ocean 	GISS	17.21	0
SSS 	  4.6920 	ocean 	levitus	0.22	0
SICE 	  4.6920 	ocean 	GISS	0.34	0
T 	 10.2982 	zonal 	ERA40	38.89	0.26
U 	  2.8447 	zonal 	ERA40	12.07	0.23
V 	  1.8493 	zonal 	ERA40	8.25	0.22
Q 	 15.4966 	zonal 	ERA40	29.41	0.52

Total Performance Index is : 0.6284
Partial PI (atm only) is   : 0.4185