Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1927 1927

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	224.9058 	land 	CRU	25.13	8.94
msl 	  2.9647 	global 	COADS	11.69	0.25
qnet 	 21.0417 	ocean 	OAFLUX	14.24	1.47
tp 	 70.7760 	global 	CMAP	38.87	1.82
ewss 	  8.4009 	ocean 	DASILVA	4.03	2.08
nsss 	  6.7109 	ocean 	DASILVA	3.10	2.16
SST 	331.7672 	ocean 	GISS	17.21	19.27
SSS 	  0.3488 	ocean 	levitus	0.22	1.58
SICE 	 62.9247 	ocean 	GISS	0.34	185.07
T 	425.2113 	zonal 	ERA40	38.89	10.93
U 	  7.3716 	zonal 	ERA40	12.07	0.61
V 	  3.9117 	zonal 	ERA40	8.25	0.47
Q 	404.3226 	zonal 	ERA40	29.41	13.74

Total Performance Index is : 19.1069
Partial PI (atm only) is   : 5.2514

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1927 1927

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	171.6758 	land 	CRU	25.13	6.83
msl 	  2.9647 	global 	COADS	11.69	0.25
qnet 	 19.9408 	ocean 	OAFLUX	14.24	1.40
tp 	 70.7760 	global 	CMAP	38.87	1.82
ewss 	 10.0418 	ocean 	DASILVA	4.03	2.49
nsss 	  5.5621 	ocean 	DASILVA	3.10	1.79
SST 	331.7672 	ocean 	GISS	17.21	19.27
SSS 	  0.3488 	ocean 	levitus	0.22	1.58
SICE 	 62.9247 	ocean 	GISS	0.34	185.07
T 	424.2101 	zonal 	ERA40	38.89	10.90
U 	  6.3778 	zonal 	ERA40	12.07	0.52
V 	  3.8192 	zonal 	ERA40	8.25	0.46
Q 	402.2009 	zonal 	ERA40	29.41	13.67

Total Performance Index is : 18.9269
Partial PI (atm only) is   : 4.9214