Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 2010 2010

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.9036 	land 	CRU	25.13	0.55
msl 	  3.0085 	global 	COADS	11.69	0.25
qnet 	 21.6218 	ocean 	OAFLUX	14.24	1.51
tp 	 26.5179 	global 	CMAP	38.87	0.68
ewss 	 10.7959 	ocean 	DASILVA	4.03	2.67
nsss 	  4.6784 	ocean 	DASILVA	3.10	1.50
T 	  5.5513 	zonal 	ERA40	38.89	0.14
U 	  2.9875 	zonal 	ERA40	12.07	0.24
V 	  2.2352 	zonal 	ERA40	8.25	0.27
Q 	 13.7850 	zonal 	ERA40	29.41	0.46

Total Performance Index is : 3.4053
Partial PI (atm only) is   : 5.4200

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 2010 2010

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.7320 	land 	CRU	25.13	0.46
msl 	  3.0085 	global 	COADS	11.69	0.25
qnet 	 20.4376 	ocean 	OAFLUX	14.24	1.43
tp 	 26.5179 	global 	CMAP	38.87	0.68
ewss 	 11.4072 	ocean 	DASILVA	4.03	2.83
nsss 	  4.3277 	ocean 	DASILVA	3.10	1.39
SST 	  4.3277 	ocean 	GISS	17.21	0
SSS 	  4.3277 	ocean 	levitus	0.22	0
SICE 	  4.3277 	ocean 	GISS	0.34	0
T 	  4.9737 	zonal 	ERA40	38.89	0.12
U 	  2.8690 	zonal 	ERA40	12.07	0.23
V 	  2.1189 	zonal 	ERA40	8.25	0.25
Q 	  7.5914 	zonal 	ERA40	29.41	0.25

Total Performance Index is : 0.6069
Partial PI (atm only) is   : 0.3200