Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1979 1979

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	307.5275 	land 	CRU	25.13	12.23
msl 	  5.3266 	global 	COADS	11.69	0.45
qnet 	 21.4092 	ocean 	OAFLUX	14.24	1.50
tp 	 64.6401 	global 	CMAP	38.87	1.66
ewss 	  9.3867 	ocean 	DASILVA	4.03	2.32
nsss 	  7.5085 	ocean 	DASILVA	3.10	2.42
SST 	407.6605 	ocean 	GISS	17.21	23.68
SSS 	  0.3585 	ocean 	levitus	0.22	1.62
SICE 	 40.7263 	ocean 	GISS	0.34	119.78
T 	549.7495 	zonal 	ERA40	38.89	14.13
U 	  8.8250 	zonal 	ERA40	12.07	0.73
V 	  4.1467 	zonal 	ERA40	8.25	0.50
Q 	592.1001 	zonal 	ERA40	29.41	20.13

Total Performance Index is : 15.4730
Partial PI (atm only) is   : 7.1185

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1979 1979

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	240.4236 	land 	CRU	25.13	9.56
msl 	  5.3266 	global 	COADS	11.69	0.45
qnet 	 20.3563 	ocean 	OAFLUX	14.24	1.42
tp 	 64.6401 	global 	CMAP	38.87	1.66
ewss 	  9.9755 	ocean 	DASILVA	4.03	2.47
nsss 	  6.5631 	ocean 	DASILVA	3.10	2.11
SST 	407.6605 	ocean 	GISS	17.21	23.68
SSS 	  0.3585 	ocean 	levitus	0.22	1.62
SICE 	 40.7263 	ocean 	GISS	0.34	119.78
T 	548.6166 	zonal 	ERA40	38.89	14.10
U 	  7.2192 	zonal 	ERA40	12.07	0.59
V 	  4.0584 	zonal 	ERA40	8.25	0.49
Q 	590.1733 	zonal 	ERA40	29.41	20.06

Total Performance Index is : 15.2300
Partial PI (atm only) is   : 6.7014