Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1934 1934

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.1229 	land 	CRU	25.13	0.88
msl 	  2.0208 	global 	COADS	11.69	0.17
qnet 	 20.7682 	ocean 	OAFLUX	14.24	1.45
tp 	 31.7405 	global 	CMAP	38.87	0.81
ewss 	  6.6329 	ocean 	DASILVA	4.03	1.64
nsss 	  5.0125 	ocean 	DASILVA	3.10	1.61
SST 	 30.2616 	ocean 	GISS	17.21	1.75
SSS 	  0.1436 	ocean 	levitus	0.22	0.65
SICE 	2526.2217 	ocean 	GISS	0.34	7430.06
T 	 22.5059 	zonal 	ERA40	38.89	0.57
U 	  3.1205 	zonal 	ERA40	12.07	0.25
V 	  2.4056 	zonal 	ERA40	8.25	0.29
Q 	 29.5373 	zonal 	ERA40	29.41	1.00

Total Performance Index is : 572.3946
Partial PI (atm only) is   : 0.5671

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1934 1934

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 21.4619 	land 	CRU	25.13	0.85
msl 	  2.0208 	global 	COADS	11.69	0.17
qnet 	 19.6124 	ocean 	OAFLUX	14.24	1.37
tp 	 31.7405 	global 	CMAP	38.87	0.81
ewss 	  6.6639 	ocean 	DASILVA	4.03	1.65
nsss 	  4.5594 	ocean 	DASILVA	3.10	1.47
SST 	 30.2616 	ocean 	GISS	17.21	1.75
SSS 	  0.1436 	ocean 	levitus	0.22	0.65
SICE 	2526.2217 	ocean 	GISS	0.34	7430.06
T 	 20.7922 	zonal 	ERA40	38.89	0.53
U 	  2.8893 	zonal 	ERA40	12.07	0.23
V 	  2.2931 	zonal 	ERA40	8.25	0.27
Q 	 22.6670 	zonal 	ERA40	29.41	0.77

Total Performance Index is : 572.3523
Partial PI (atm only) is   : 0.5185