Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c370 2017 2017

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.6051 	land 	CRU	25.13	0.70
msl 	  1.8206 	global 	COADS	11.69	0.15
qnet 	 20.8092 	ocean 	OAFLUX	14.24	1.46
tp 	 44.1178 	global 	CMAP	38.87	1.13
ewss 	  9.1050 	ocean 	DASILVA	4.03	2.25
nsss 	  6.5244 	ocean 	DASILVA	3.10	2.10
SST 	 50.7867 	ocean 	GISS	17.21	2.95
SSS 	  0.1573 	ocean 	levitus	0.22	0.71
SICE 	1577.5642 	ocean 	GISS	0.34	4639.89
T 	 35.6435 	zonal 	ERA40	38.89	0.91
U 	  4.4742 	zonal 	ERA40	12.07	0.37
V 	  3.0598 	zonal 	ERA40	8.25	0.37
Q 	 33.8727 	zonal 	ERA40	29.41	1.15

Total Performance Index is : 358.0107
Partial PI (atm only) is   : 0.6828

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c370 2017 2017

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.1953 	land 	CRU	25.13	0.56
msl 	  1.8206 	global 	COADS	11.69	0.15
qnet 	 19.6170 	ocean 	OAFLUX	14.24	1.37
tp 	 44.1178 	global 	CMAP	38.87	1.13
ewss 	 10.1287 	ocean 	DASILVA	4.03	2.51
nsss 	  5.8248 	ocean 	DASILVA	3.10	1.87
SST 	 50.7867 	ocean 	GISS	17.21	2.95
SSS 	  0.1573 	ocean 	levitus	0.22	0.71
SICE 	1577.5642 	ocean 	GISS	0.34	4639.89
T 	 35.2642 	zonal 	ERA40	38.89	0.90
U 	  4.2981 	zonal 	ERA40	12.07	0.35
V 	  2.9435 	zonal 	ERA40	8.25	0.35
Q 	 28.9170 	zonal 	ERA40	29.41	0.98

Total Performance Index is : 357.9784
Partial PI (atm only) is   : 0.6314