Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1915 1915

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	214.2010 	land 	CRU	25.13	8.52
msl 	  2.7557 	global 	COADS	11.69	0.23
qnet 	 20.7636 	ocean 	OAFLUX	14.24	1.45
tp 	 61.4712 	global 	CMAP	38.87	1.58
ewss 	  8.9030 	ocean 	DASILVA	4.03	2.20
nsss 	  6.5624 	ocean 	DASILVA	3.10	2.11
SST 	316.5867 	ocean 	GISS	17.21	18.39
SSS 	  0.3276 	ocean 	levitus	0.22	1.48
SICE 	 65.4445 	ocean 	GISS	0.34	192.48
T 	411.1103 	zonal 	ERA40	38.89	10.57
U 	  6.3359 	zonal 	ERA40	12.07	0.52
V 	  3.6134 	zonal 	ERA40	8.25	0.43
Q 	381.0344 	zonal 	ERA40	29.41	12.95

Total Performance Index is : 19.4546
Partial PI (atm only) is   : 4.9714

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1915 1915

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	161.7429 	land 	CRU	25.13	6.43
msl 	  2.7557 	global 	COADS	11.69	0.23
qnet 	 19.6736 	ocean 	OAFLUX	14.24	1.38
tp 	 61.4712 	global 	CMAP	38.87	1.58
ewss 	 10.0097 	ocean 	DASILVA	4.03	2.48
nsss 	  5.3953 	ocean 	DASILVA	3.10	1.74
SST 	316.5867 	ocean 	GISS	17.21	18.39
SSS 	  0.3276 	ocean 	levitus	0.22	1.48
SICE 	 65.4445 	ocean 	GISS	0.34	192.48
T 	410.0764 	zonal 	ERA40	38.89	10.54
U 	  5.3227 	zonal 	ERA40	12.07	0.44
V 	  3.5256 	zonal 	ERA40	8.25	0.42
Q 	378.9692 	zonal 	ERA40	29.41	12.88

Total Performance Index is : 19.2669
Partial PI (atm only) is   : 4.6457