Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1906 1906

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.9833 	land 	CRU	25.13	0.91
msl 	  1.8386 	global 	COADS	11.69	0.15
qnet 	 19.8454 	ocean 	OAFLUX	14.24	1.39
tp 	 29.9635 	global 	CMAP	38.87	0.77
ewss 	  7.5730 	ocean 	DASILVA	4.03	1.87
nsss 	  5.1011 	ocean 	DASILVA	3.10	1.64
SST 	 26.5842 	ocean 	GISS	17.21	1.54
SSS 	  0.1352 	ocean 	levitus	0.22	0.61
SICE 	2480.0763 	ocean 	GISS	0.34	7294.34
T 	 21.4867 	zonal 	ERA40	38.89	0.55
U 	  2.9586 	zonal 	ERA40	12.07	0.24
V 	  1.9243 	zonal 	ERA40	8.25	0.23
Q 	 27.8505 	zonal 	ERA40	29.41	0.94

Total Performance Index is : 561.9369
Partial PI (atm only) is   : 0.5414

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1906 1906

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 21.0760 	land 	CRU	25.13	0.83
msl 	  1.8386 	global 	COADS	11.69	0.15
qnet 	 18.6501 	ocean 	OAFLUX	14.24	1.30
tp 	 29.9635 	global 	CMAP	38.87	0.77
ewss 	  7.6181 	ocean 	DASILVA	4.03	1.89
nsss 	  4.6199 	ocean 	DASILVA	3.10	1.49
SST 	 26.5842 	ocean 	GISS	17.21	1.54
SSS 	  0.1352 	ocean 	levitus	0.22	0.61
SICE 	2480.0763 	ocean 	GISS	0.34	7294.34
T 	 19.4862 	zonal 	ERA40	38.89	0.50
U 	  2.6778 	zonal 	ERA40	12.07	0.22
V 	  1.7953 	zonal 	ERA40	8.25	0.21
Q 	 20.6681 	zonal 	ERA40	29.41	0.70

Total Performance Index is : 561.8884
Partial PI (atm only) is   : 0.4828