Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1953 1953

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	241.6418 	land 	CRU	25.13	9.61
msl 	  3.2995 	global 	COADS	11.69	0.28
qnet 	 22.1019 	ocean 	OAFLUX	14.24	1.55
tp 	 72.9038 	global 	CMAP	38.87	1.87
ewss 	  8.2371 	ocean 	DASILVA	4.03	2.04
nsss 	  7.0759 	ocean 	DASILVA	3.10	2.28
SST 	372.4118 	ocean 	GISS	17.21	21.63
SSS 	  0.3340 	ocean 	levitus	0.22	1.51
SICE 	 49.0794 	ocean 	GISS	0.34	144.35
T 	462.7374 	zonal 	ERA40	38.89	11.89
U 	  7.0825 	zonal 	ERA40	12.07	0.58
V 	  3.7284 	zonal 	ERA40	8.25	0.45
Q 	453.2141 	zonal 	ERA40	29.41	15.41

Total Performance Index is : 16.4192
Partial PI (atm only) is   : 5.7271

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1953 1953

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	182.0547 	land 	CRU	25.13	7.24
msl 	  3.2995 	global 	COADS	11.69	0.28
qnet 	 21.0559 	ocean 	OAFLUX	14.24	1.47
tp 	 72.9038 	global 	CMAP	38.87	1.87
ewss 	  9.0749 	ocean 	DASILVA	4.03	2.25
nsss 	  5.8908 	ocean 	DASILVA	3.10	1.90
SST 	372.4118 	ocean 	GISS	17.21	21.63
SSS 	  0.3340 	ocean 	levitus	0.22	1.51
SICE 	 49.0794 	ocean 	GISS	0.34	144.35
T 	461.6572 	zonal 	ERA40	38.89	11.87
U 	  6.1372 	zonal 	ERA40	12.07	0.50
V 	  3.6468 	zonal 	ERA40	8.25	0.44
Q 	451.4076 	zonal 	ERA40	29.41	15.34

Total Performance Index is : 16.2038
Partial PI (atm only) is   : 5.3628