Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v370 2031 2031

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.3416 	land 	CRU	25.13	0.69
msl 	  1.8687 	global 	COADS	11.69	0.15
qnet 	 19.5719 	ocean 	OAFLUX	14.24	1.37
tp 	 44.8632 	global 	CMAP	38.87	1.15
ewss 	  8.4723 	ocean 	DASILVA	4.03	2.10
nsss 	  5.9290 	ocean 	DASILVA	3.10	1.91
SST 	 55.2326 	ocean 	GISS	17.21	3.20
SSS 	  0.1617 	ocean 	levitus	0.22	0.73
SICE 	1557.4471 	ocean 	GISS	0.34	4580.72
T 	 36.2947 	zonal 	ERA40	38.89	0.93
U 	  2.9672 	zonal 	ERA40	12.07	0.24
V 	  2.5440 	zonal 	ERA40	8.25	0.30
Q 	 27.9902 	zonal 	ERA40	29.41	0.95

Total Performance Index is : 353.4184
Partial PI (atm only) is   : 0.6300

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v370 2031 2031

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.5989 	land 	CRU	25.13	0.50
msl 	  1.8687 	global 	COADS	11.69	0.15
qnet 	 18.3559 	ocean 	OAFLUX	14.24	1.28
tp 	 44.8632 	global 	CMAP	38.87	1.15
ewss 	  9.3071 	ocean 	DASILVA	4.03	2.30
nsss 	  5.5223 	ocean 	DASILVA	3.10	1.78
SST 	 55.2326 	ocean 	GISS	17.21	3.20
SSS 	  0.1617 	ocean 	levitus	0.22	0.73
SICE 	1557.4471 	ocean 	GISS	0.34	4580.72
T 	 36.0635 	zonal 	ERA40	38.89	0.92
U 	  2.8306 	zonal 	ERA40	12.07	0.23
V 	  2.4250 	zonal 	ERA40	8.25	0.29
Q 	 23.3479 	zonal 	ERA40	29.41	0.79

Total Performance Index is : 353.3876
Partial PI (atm only) is   : 0.5757