Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1965 1965

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 43.7434 	land 	CRU	25.13	1.74
msl 	  3.9562 	global 	COADS	11.69	0.33
qnet 	 20.8408 	ocean 	OAFLUX	14.24	1.46
tp 	 37.3348 	global 	CMAP	38.87	0.96
ewss 	  8.5041 	ocean 	DASILVA	4.03	2.11
nsss 	  5.8532 	ocean 	DASILVA	3.10	1.88
SST 	 34.6471 	ocean 	GISS	17.21	2.01
SSS 	  0.1593 	ocean 	levitus	0.22	0.72
SICE 	2783.4827 	ocean 	GISS	0.34	8186.71
T 	 35.9294 	zonal 	ERA40	38.89	0.92
U 	  7.0392 	zonal 	ERA40	12.07	0.58
V 	  3.4162 	zonal 	ERA40	8.25	0.41
Q 	 42.7126 	zonal 	ERA40	29.41	1.45

Total Performance Index is : 630.8676
Partial PI (atm only) is   : 0.9128

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1965 1965

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 41.4302 	land 	CRU	25.13	1.64
msl 	  3.9562 	global 	COADS	11.69	0.33
qnet 	 19.5859 	ocean 	OAFLUX	14.24	1.37
tp 	 37.3348 	global 	CMAP	38.87	0.96
ewss 	  8.2919 	ocean 	DASILVA	4.03	2.05
nsss 	  5.5325 	ocean 	DASILVA	3.10	1.78
SST 	 34.6471 	ocean 	GISS	17.21	2.01
SSS 	  0.1593 	ocean 	levitus	0.22	0.72
SICE 	2783.4827 	ocean 	GISS	0.34	8186.71
T 	 34.0922 	zonal 	ERA40	38.89	0.87
U 	  6.5857 	zonal 	ERA40	12.07	0.54
V 	  3.2735 	zonal 	ERA40	8.25	0.39
Q 	 35.6514 	zonal 	ERA40	29.41	1.21

Total Performance Index is : 630.8138
Partial PI (atm only) is   : 0.8485