Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1947 1947

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	279.4686 	land 	CRU	25.13	11.12
msl 	  4.9708 	global 	COADS	11.69	0.42
qnet 	 20.3116 	ocean 	OAFLUX	14.24	1.42
tp 	 63.7435 	global 	CMAP	38.87	1.63
ewss 	  9.8340 	ocean 	DASILVA	4.03	2.44
nsss 	  7.7362 	ocean 	DASILVA	3.10	2.49
SST 	374.7116 	ocean 	GISS	17.21	21.77
SSS 	  0.3409 	ocean 	levitus	0.22	1.54
SICE 	 41.9845 	ocean 	GISS	0.34	123.48
T 	504.2482 	zonal 	ERA40	38.89	12.96
U 	  7.5027 	zonal 	ERA40	12.07	0.62
V 	  4.2466 	zonal 	ERA40	8.25	0.51
Q 	517.8859 	zonal 	ERA40	29.41	17.60

Total Performance Index is : 15.2307
Partial PI (atm only) is   : 6.4085

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1947 1947

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	221.9755 	land 	CRU	25.13	8.83
msl 	  4.9708 	global 	COADS	11.69	0.42
qnet 	 19.2353 	ocean 	OAFLUX	14.24	1.35
tp 	 63.7435 	global 	CMAP	38.87	1.63
ewss 	 10.0276 	ocean 	DASILVA	4.03	2.48
nsss 	  6.7929 	ocean 	DASILVA	3.10	2.19
SST 	374.7116 	ocean 	GISS	17.21	21.77
SSS 	  0.3409 	ocean 	levitus	0.22	1.54
SICE 	 41.9845 	ocean 	GISS	0.34	123.48
T 	503.1158 	zonal 	ERA40	38.89	12.93
U 	  6.2875 	zonal 	ERA40	12.07	0.52
V 	  4.1619 	zonal 	ERA40	8.25	0.50
Q 	515.9253 	zonal 	ERA40	29.41	17.54

Total Performance Index is : 15.0138
Partial PI (atm only) is   : 6.0528