Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1935 1935

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	240.7963 	land 	CRU	25.13	9.58
msl 	  2.8158 	global 	COADS	11.69	0.24
qnet 	 21.3747 	ocean 	OAFLUX	14.24	1.50
tp 	 67.3022 	global 	CMAP	38.87	1.73
ewss 	  8.6375 	ocean 	DASILVA	4.03	2.14
nsss 	  6.8770 	ocean 	DASILVA	3.10	2.21
SST 	346.1756 	ocean 	GISS	17.21	20.11
SSS 	  0.3353 	ocean 	levitus	0.22	1.52
SICE 	 54.0799 	ocean 	GISS	0.34	159.05
T 	451.2514 	zonal 	ERA40	38.89	11.60
U 	  7.0824 	zonal 	ERA40	12.07	0.58
V 	  3.6238 	zonal 	ERA40	8.25	0.43
Q 	424.1998 	zonal 	ERA40	29.41	14.42

Total Performance Index is : 17.3161
Partial PI (atm only) is   : 5.5114

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1935 1935

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	184.2298 	land 	CRU	25.13	7.33
msl 	  2.8158 	global 	COADS	11.69	0.24
qnet 	 20.2881 	ocean 	OAFLUX	14.24	1.42
tp 	 67.3022 	global 	CMAP	38.87	1.73
ewss 	 10.3360 	ocean 	DASILVA	4.03	2.56
nsss 	  6.0498 	ocean 	DASILVA	3.10	1.95
SST 	346.1756 	ocean 	GISS	17.21	20.11
SSS 	  0.3353 	ocean 	levitus	0.22	1.52
SICE 	 54.0799 	ocean 	GISS	0.34	159.05
T 	450.2830 	zonal 	ERA40	38.89	11.57
U 	  5.8354 	zonal 	ERA40	12.07	0.48
V 	  3.5327 	zonal 	ERA40	8.25	0.42
Q 	422.1352 	zonal 	ERA40	29.41	14.35

Total Performance Index is : 17.1330
Partial PI (atm only) is   : 5.1600