Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v585 2022 2022

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.3909 	land 	CRU	25.13	0.65
msl 	  2.1365 	global 	COADS	11.69	0.18
qnet 	 20.3149 	ocean 	OAFLUX	14.24	1.42
tp 	 46.0687 	global 	CMAP	38.87	1.18
ewss 	  7.7901 	ocean 	DASILVA	4.03	1.93
nsss 	  5.7322 	ocean 	DASILVA	3.10	1.84
SST 	 47.9441 	ocean 	GISS	17.21	2.78
SSS 	  0.1649 	ocean 	levitus	0.22	0.74
SICE 	1697.3169 	ocean 	GISS	0.34	4992.10
T 	 28.9275 	zonal 	ERA40	38.89	0.74
U 	  3.1977 	zonal 	ERA40	12.07	0.26
V 	  2.4661 	zonal 	ERA40	8.25	0.29
Q 	 26.1388 	zonal 	ERA40	29.41	0.88

Total Performance Index is : 384.9992
Partial PI (atm only) is   : 0.5971

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v585 2022 2022

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.3415 	land 	CRU	25.13	0.49
msl 	  2.1365 	global 	COADS	11.69	0.18
qnet 	 19.1291 	ocean 	OAFLUX	14.24	1.34
tp 	 46.0687 	global 	CMAP	38.87	1.18
ewss 	  8.1345 	ocean 	DASILVA	4.03	2.01
nsss 	  5.2107 	ocean 	DASILVA	3.10	1.68
SST 	 47.9441 	ocean 	GISS	17.21	2.78
SSS 	  0.1649 	ocean 	levitus	0.22	0.74
SICE 	1697.3169 	ocean 	GISS	0.34	4992.10
T 	 28.5516 	zonal 	ERA40	38.89	0.73
U 	  3.0522 	zonal 	ERA40	12.07	0.25
V 	  2.3760 	zonal 	ERA40	8.25	0.28
Q 	 21.2223 	zonal 	ERA40	29.41	0.72

Total Performance Index is : 384.9600
Partial PI (atm only) is   : 0.5471