Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1875 1875

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 28.2797 	land 	CRU	25.13	1.12
msl 	  2.6415 	global 	COADS	11.69	0.22
qnet 	 21.2628 	ocean 	OAFLUX	14.24	1.49
tp 	 40.3861 	global 	CMAP	38.87	1.03
ewss 	  8.2377 	ocean 	DASILVA	4.03	2.04
nsss 	  5.5764 	ocean 	DASILVA	3.10	1.79
SST 	 26.8694 	ocean 	GISS	17.21	1.56
SSS 	  0.1459 	ocean 	levitus	0.22	0.66
SICE 	2588.3273 	ocean 	GISS	0.34	7612.72
T 	 24.8130 	zonal 	ERA40	38.89	0.63
U 	  4.3802 	zonal 	ERA40	12.07	0.36
V 	  2.7331 	zonal 	ERA40	8.25	0.33
Q 	 32.2766 	zonal 	ERA40	29.41	1.09

Total Performance Index is : 586.5415
Partial PI (atm only) is   : 0.6828

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1875 1875

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 26.0075 	land 	CRU	25.13	1.03
msl 	  2.6415 	global 	COADS	11.69	0.22
qnet 	 20.0985 	ocean 	OAFLUX	14.24	1.41
tp 	 40.3861 	global 	CMAP	38.87	1.03
ewss 	  8.2494 	ocean 	DASILVA	4.03	2.04
nsss 	  4.7154 	ocean 	DASILVA	3.10	1.52
SST 	 26.8694 	ocean 	GISS	17.21	1.56
SSS 	  0.1459 	ocean 	levitus	0.22	0.66
SICE 	2588.3273 	ocean 	GISS	0.34	7612.72
T 	 22.6087 	zonal 	ERA40	38.89	0.58
U 	  4.0658 	zonal 	ERA40	12.07	0.33
V 	  2.5760 	zonal 	ERA40	8.25	0.31
Q 	 24.9721 	zonal 	ERA40	29.41	0.84

Total Performance Index is : 586.4807
Partial PI (atm only) is   : 0.6200