Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1983 1983

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	288.6278 	land 	CRU	25.13	11.48
msl 	  3.4799 	global 	COADS	11.69	0.29
qnet 	 22.0229 	ocean 	OAFLUX	14.24	1.54
tp 	 66.4607 	global 	CMAP	38.87	1.70
ewss 	  9.4813 	ocean 	DASILVA	4.03	2.35
nsss 	  6.9667 	ocean 	DASILVA	3.10	2.24
SST 	403.9401 	ocean 	GISS	17.21	23.47
SSS 	  0.3800 	ocean 	levitus	0.22	1.72
SICE 	 39.3558 	ocean 	GISS	0.34	115.75
T 	531.2999 	zonal 	ERA40	38.89	13.66
U 	  8.1396 	zonal 	ERA40	12.07	0.67
V 	  3.8100 	zonal 	ERA40	8.25	0.46
Q 	535.7815 	zonal 	ERA40	29.41	18.21

Total Performance Index is : 14.8876
Partial PI (atm only) is   : 6.6385

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1983 1983

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	217.5717 	land 	CRU	25.13	8.65
msl 	  3.4799 	global 	COADS	11.69	0.29
qnet 	 20.9528 	ocean 	OAFLUX	14.24	1.47
tp 	 66.4607 	global 	CMAP	38.87	1.70
ewss 	  9.7657 	ocean 	DASILVA	4.03	2.42
nsss 	  6.2729 	ocean 	DASILVA	3.10	2.02
SST 	403.9401 	ocean 	GISS	17.21	23.47
SSS 	  0.3800 	ocean 	levitus	0.22	1.72
SICE 	 39.3558 	ocean 	GISS	0.34	115.75
T 	530.1042 	zonal 	ERA40	38.89	13.63
U 	  6.5706 	zonal 	ERA40	12.07	0.54
V 	  3.7166 	zonal 	ERA40	8.25	0.45
Q 	533.8699 	zonal 	ERA40	29.41	18.15

Total Performance Index is : 14.6353
Partial PI (atm only) is   : 6.2014