Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1865 1865

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.9590 	land 	CRU	25.13	1.03
msl 	  2.3945 	global 	COADS	11.69	0.20
qnet 	 20.4757 	ocean 	OAFLUX	14.24	1.43
tp 	 30.5688 	global 	CMAP	38.87	0.78
ewss 	  7.6753 	ocean 	DASILVA	4.03	1.90
nsss 	  5.4733 	ocean 	DASILVA	3.10	1.76
SST 	 30.3386 	ocean 	GISS	17.21	1.76
SSS 	  0.1466 	ocean 	levitus	0.22	0.66
SICE 	2646.6878 	ocean 	GISS	0.34	7784.37
T 	 24.6171 	zonal 	ERA40	38.89	0.63
U 	  3.3868 	zonal 	ERA40	12.07	0.28
V 	  2.4919 	zonal 	ERA40	8.25	0.30
Q 	 31.9237 	zonal 	ERA40	29.41	1.08

Total Performance Index is : 599.7061
Partial PI (atm only) is   : 0.6142

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1865 1865

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.2625 	land 	CRU	25.13	1.00
msl 	  2.3945 	global 	COADS	11.69	0.20
qnet 	 19.3059 	ocean 	OAFLUX	14.24	1.35
tp 	 30.5688 	global 	CMAP	38.87	0.78
ewss 	  7.6754 	ocean 	DASILVA	4.03	1.90
nsss 	  4.8191 	ocean 	DASILVA	3.10	1.55
SST 	 30.3386 	ocean 	GISS	17.21	1.76
SSS 	  0.1466 	ocean 	levitus	0.22	0.66
SICE 	2646.6878 	ocean 	GISS	0.34	7784.37
T 	 22.3520 	zonal 	ERA40	38.89	0.57
U 	  3.1326 	zonal 	ERA40	12.07	0.25
V 	  2.3475 	zonal 	ERA40	8.25	0.28
Q 	 24.6703 	zonal 	ERA40	29.41	0.83

Total Performance Index is : 599.6538
Partial PI (atm only) is   : 0.5585