Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1883 1883

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 26.4223 	land 	CRU	25.13	1.05
msl 	  2.1102 	global 	COADS	11.69	0.18
qnet 	 22.4580 	ocean 	OAFLUX	14.24	1.57
tp 	 33.2575 	global 	CMAP	38.87	0.85
ewss 	  7.8715 	ocean 	DASILVA	4.03	1.95
nsss 	  5.8696 	ocean 	DASILVA	3.10	1.89
SST 	 27.7381 	ocean 	GISS	17.21	1.61
SSS 	  0.1379 	ocean 	levitus	0.22	0.62
SICE 	2558.8742 	ocean 	GISS	0.34	7526.10
T 	 24.4657 	zonal 	ERA40	38.89	0.62
U 	  4.3482 	zonal 	ERA40	12.07	0.36
V 	  2.4419 	zonal 	ERA40	8.25	0.29
Q 	 31.1193 	zonal 	ERA40	29.41	1.05

Total Performance Index is : 579.8569
Partial PI (atm only) is   : 0.6285

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1883 1883

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.0776 	land 	CRU	25.13	0.99
msl 	  2.1102 	global 	COADS	11.69	0.18
qnet 	 21.3586 	ocean 	OAFLUX	14.24	1.49
tp 	 33.2575 	global 	CMAP	38.87	0.85
ewss 	  8.9488 	ocean 	DASILVA	4.03	2.22
nsss 	  4.9339 	ocean 	DASILVA	3.10	1.59
SST 	 27.7381 	ocean 	GISS	17.21	1.61
SSS 	  0.1379 	ocean 	levitus	0.22	0.62
SICE 	2558.8742 	ocean 	GISS	0.34	7526.10
T 	 21.6516 	zonal 	ERA40	38.89	0.55
U 	  4.0643 	zonal 	ERA40	12.07	0.33
V 	  2.3056 	zonal 	ERA40	8.25	0.27
Q 	 23.7261 	zonal 	ERA40	29.41	0.80

Total Performance Index is : 579.8153
Partial PI (atm only) is   : 0.5671