Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c245 2019 2019

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.9160 	land 	CRU	25.13	0.63
msl 	  2.1263 	global 	COADS	11.69	0.18
qnet 	 19.6954 	ocean 	OAFLUX	14.24	1.38
tp 	 38.2809 	global 	CMAP	38.87	0.98
ewss 	  7.1894 	ocean 	DASILVA	4.03	1.78
nsss 	  5.4802 	ocean 	DASILVA	3.10	1.76
SST 	 42.3966 	ocean 	GISS	17.21	2.46
SSS 	  0.1410 	ocean 	levitus	0.22	0.64
SICE 	1875.4991 	ocean 	GISS	0.34	5516.17
T 	 27.4404 	zonal 	ERA40	38.89	0.70
U 	  2.5138 	zonal 	ERA40	12.07	0.20
V 	  2.1397 	zonal 	ERA40	8.25	0.25
Q 	 26.3943 	zonal 	ERA40	29.41	0.89

Total Performance Index is : 425.2323
Partial PI (atm only) is   : 0.5471

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c245 2019 2019

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.8783 	land 	CRU	25.13	0.51
msl 	  2.1263 	global 	COADS	11.69	0.18
qnet 	 18.4833 	ocean 	OAFLUX	14.24	1.29
tp 	 38.2809 	global 	CMAP	38.87	0.98
ewss 	  7.2083 	ocean 	DASILVA	4.03	1.78
nsss 	  5.0320 	ocean 	DASILVA	3.10	1.62
SST 	 42.3966 	ocean 	GISS	17.21	2.46
SSS 	  0.1410 	ocean 	levitus	0.22	0.64
SICE 	1875.4991 	ocean 	GISS	0.34	5516.17
T 	 27.0714 	zonal 	ERA40	38.89	0.69
U 	  2.3843 	zonal 	ERA40	12.07	0.19
V 	  2.0280 	zonal 	ERA40	8.25	0.24
Q 	 21.1664 	zonal 	ERA40	29.41	0.71

Total Performance Index is : 425.1892
Partial PI (atm only) is   : 0.5000