Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v370 2025 2025

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.8657 	land 	CRU	25.13	0.71
msl 	  2.9289 	global 	COADS	11.69	0.25
qnet 	 19.3696 	ocean 	OAFLUX	14.24	1.36
tp 	 41.6650 	global 	CMAP	38.87	1.07
ewss 	  8.6774 	ocean 	DASILVA	4.03	2.15
nsss 	  7.1760 	ocean 	DASILVA	3.10	2.31
SST 	 52.6016 	ocean 	GISS	17.21	3.05
SSS 	  0.1513 	ocean 	levitus	0.22	0.68
SICE 	1722.1352 	ocean 	GISS	0.34	5065.10
T 	 37.8710 	zonal 	ERA40	38.89	0.97
U 	  4.7173 	zonal 	ERA40	12.07	0.39
V 	  2.9864 	zonal 	ERA40	8.25	0.36
Q 	 28.0653 	zonal 	ERA40	29.41	0.95

Total Performance Index is : 390.7192
Partial PI (atm only) is   : 0.6714

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v370 2025 2025

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.7900 	land 	CRU	25.13	0.50
msl 	  2.9289 	global 	COADS	11.69	0.25
qnet 	 18.1857 	ocean 	OAFLUX	14.24	1.27
tp 	 41.6650 	global 	CMAP	38.87	1.07
ewss 	  9.9572 	ocean 	DASILVA	4.03	2.47
nsss 	  6.8104 	ocean 	DASILVA	3.10	2.19
SST 	 52.6016 	ocean 	GISS	17.21	3.05
SSS 	  0.1513 	ocean 	levitus	0.22	0.68
SICE 	1722.1352 	ocean 	GISS	0.34	5065.10
T 	 37.5506 	zonal 	ERA40	38.89	0.96
U 	  4.5617 	zonal 	ERA40	12.07	0.37
V 	  2.8806 	zonal 	ERA40	8.25	0.34
Q 	 23.4688 	zonal 	ERA40	29.41	0.79

Total Performance Index is : 390.6953
Partial PI (atm only) is   : 0.6114