Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c119 2034 2034

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.3673 	land 	CRU	25.13	0.77
msl 	  2.2354 	global 	COADS	11.69	0.19
qnet 	 19.5308 	ocean 	OAFLUX	14.24	1.37
tp 	 37.1273 	global 	CMAP	38.87	0.95
ewss 	  9.8527 	ocean 	DASILVA	4.03	2.44
nsss 	  6.7167 	ocean 	DASILVA	3.10	2.16
SST 	 54.7087 	ocean 	GISS	17.21	3.17
SSS 	  0.1698 	ocean 	levitus	0.22	0.77
SICE 	1599.4180 	ocean 	GISS	0.34	4704.17
T 	 40.6957 	zonal 	ERA40	38.89	1.04
U 	  3.2049 	zonal 	ERA40	12.07	0.26
V 	  2.7227 	zonal 	ERA40	8.25	0.33
Q 	 29.3096 	zonal 	ERA40	29.41	0.99

Total Performance Index is : 362.9700
Partial PI (atm only) is   : 0.6471

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c119 2034 2034

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.8729 	land 	CRU	25.13	0.55
msl 	  2.2354 	global 	COADS	11.69	0.19
qnet 	 18.3328 	ocean 	OAFLUX	14.24	1.28
tp 	 37.1273 	global 	CMAP	38.87	0.95
ewss 	 11.9414 	ocean 	DASILVA	4.03	2.96
nsss 	  5.8787 	ocean 	DASILVA	3.10	1.89
SST 	 54.7087 	ocean 	GISS	17.21	3.17
SSS 	  0.1698 	ocean 	levitus	0.22	0.77
SICE 	1599.4180 	ocean 	GISS	0.34	4704.17
T 	 40.3608 	zonal 	ERA40	38.89	1.03
U 	  3.0871 	zonal 	ERA40	12.07	0.25
V 	  2.6147 	zonal 	ERA40	8.25	0.31
Q 	 24.1470 	zonal 	ERA40	29.41	0.82

Total Performance Index is : 362.9492
Partial PI (atm only) is   : 0.5857