Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c119 2018 2018

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.3324 	land 	CRU	25.13	0.61
msl 	  1.7546 	global 	COADS	11.69	0.15
qnet 	 20.7035 	ocean 	OAFLUX	14.24	1.45
tp 	 39.8521 	global 	CMAP	38.87	1.02
ewss 	  8.4842 	ocean 	DASILVA	4.03	2.10
nsss 	  6.1564 	ocean 	DASILVA	3.10	1.98
SST 	 46.7456 	ocean 	GISS	17.21	2.71
SSS 	  0.1552 	ocean 	levitus	0.22	0.70
SICE 	1763.8261 	ocean 	GISS	0.34	5187.72
T 	 29.7551 	zonal 	ERA40	38.89	0.76
U 	  2.3756 	zonal 	ERA40	12.07	0.19
V 	  1.9233 	zonal 	ERA40	8.25	0.23
Q 	 26.7689 	zonal 	ERA40	29.41	0.91

Total Performance Index is : 400.0407
Partial PI (atm only) is   : 0.5528

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c119 2018 2018

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.4043 	land 	CRU	25.13	0.49
msl 	  1.7546 	global 	COADS	11.69	0.15
qnet 	 19.5204 	ocean 	OAFLUX	14.24	1.37
tp 	 39.8521 	global 	CMAP	38.87	1.02
ewss 	  9.0577 	ocean 	DASILVA	4.03	2.24
nsss 	  5.4441 	ocean 	DASILVA	3.10	1.75
SST 	 46.7456 	ocean 	GISS	17.21	2.71
SSS 	  0.1552 	ocean 	levitus	0.22	0.70
SICE 	1763.8261 	ocean 	GISS	0.34	5187.72
T 	 29.3729 	zonal 	ERA40	38.89	0.75
U 	  2.2423 	zonal 	ERA40	12.07	0.18
V 	  1.8357 	zonal 	ERA40	8.25	0.22
Q 	 21.6052 	zonal 	ERA40	29.41	0.73

Total Performance Index is : 400.0023
Partial PI (atm only) is   : 0.5057