Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 2002 2002

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.6790 	land 	CRU	25.13	0.74
msl 	  2.6613 	global 	COADS	11.69	0.22
qnet 	 21.2727 	ocean 	OAFLUX	14.24	1.49
tp 	 43.3150 	global 	CMAP	38.87	1.11
ewss 	  9.5184 	ocean 	DASILVA	4.03	2.36
nsss 	  5.2023 	ocean 	DASILVA	3.10	1.67
SST 	 33.3952 	ocean 	GISS	17.21	1.94
SSS 	  0.1483 	ocean 	levitus	0.22	0.67
SICE 	2279.0613 	ocean 	GISS	0.34	6703.12
T 	 19.9287 	zonal 	ERA40	38.89	0.51
U 	  4.7610 	zonal 	ERA40	12.07	0.39
V 	  3.2694 	zonal 	ERA40	8.25	0.39
Q 	 25.5145 	zonal 	ERA40	29.41	0.86

Total Performance Index is : 516.5746
Partial PI (atm only) is   : 0.6028

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 2002 2002

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.5867 	land 	CRU	25.13	0.66
msl 	  2.6613 	global 	COADS	11.69	0.22
qnet 	 20.1271 	ocean 	OAFLUX	14.24	1.41
tp 	 43.3150 	global 	CMAP	38.87	1.11
ewss 	 10.7344 	ocean 	DASILVA	4.03	2.66
nsss 	  4.9449 	ocean 	DASILVA	3.10	1.59
SST 	 33.3952 	ocean 	GISS	17.21	1.94
SSS 	  0.1483 	ocean 	levitus	0.22	0.67
SICE 	2279.0613 	ocean 	GISS	0.34	6703.12
T 	 19.2726 	zonal 	ERA40	38.89	0.49
U 	  4.6013 	zonal 	ERA40	12.07	0.38
V 	  3.1552 	zonal 	ERA40	8.25	0.38
Q 	 19.6299 	zonal 	ERA40	29.41	0.66

Total Performance Index is : 516.5607
Partial PI (atm only) is   : 0.5571