Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1858 1858

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 30.1813 	land 	CRU	25.13	1.20
msl 	  2.7143 	global 	COADS	11.69	0.23
qnet 	 20.8216 	ocean 	OAFLUX	14.24	1.46
tp 	 29.9726 	global 	CMAP	38.87	0.77
ewss 	  8.5699 	ocean 	DASILVA	4.03	2.12
nsss 	  5.8236 	ocean 	DASILVA	3.10	1.87
SST 	 30.8250 	ocean 	GISS	17.21	1.79
SSS 	  0.1919 	ocean 	levitus	0.22	0.87
SICE 	2753.0381 	ocean 	GISS	0.34	8097.17
T 	 28.2529 	zonal 	ERA40	38.89	0.72
U 	  4.2283 	zonal 	ERA40	12.07	0.35
V 	  2.9430 	zonal 	ERA40	8.25	0.35
Q 	 36.7729 	zonal 	ERA40	29.41	1.25

Total Performance Index is : 623.8576
Partial PI (atm only) is   : 0.6957

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1858 1858

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 28.3778 	land 	CRU	25.13	1.12
msl 	  2.7143 	global 	COADS	11.69	0.23
qnet 	 19.6611 	ocean 	OAFLUX	14.24	1.38
tp 	 29.9726 	global 	CMAP	38.87	0.77
ewss 	  8.4158 	ocean 	DASILVA	4.03	2.08
nsss 	  5.3508 	ocean 	DASILVA	3.10	1.72
SST 	 30.8250 	ocean 	GISS	17.21	1.79
SSS 	  0.1919 	ocean 	levitus	0.22	0.87
SICE 	2753.0381 	ocean 	GISS	0.34	8097.17
T 	 25.7938 	zonal 	ERA40	38.89	0.66
U 	  3.9404 	zonal 	ERA40	12.07	0.32
V 	  2.8301 	zonal 	ERA40	8.25	0.34
Q 	 29.2643 	zonal 	ERA40	29.41	0.99

Total Performance Index is : 623.8030
Partial PI (atm only) is   : 0.6328