Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c245 2018 2018

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.4292 	land 	CRU	25.13	0.61
msl 	  2.3735 	global 	COADS	11.69	0.20
qnet 	 19.7786 	ocean 	OAFLUX	14.24	1.38
tp 	 41.0116 	global 	CMAP	38.87	1.05
ewss 	  8.1114 	ocean 	DASILVA	4.03	2.01
nsss 	  5.5104 	ocean 	DASILVA	3.10	1.77
SST 	 44.8137 	ocean 	GISS	17.21	2.60
SSS 	  0.1459 	ocean 	levitus	0.22	0.66
SICE 	1728.2615 	ocean 	GISS	0.34	5083.12
T 	 27.5587 	zonal 	ERA40	38.89	0.70
U 	  3.1726 	zonal 	ERA40	12.07	0.26
V 	  2.3748 	zonal 	ERA40	8.25	0.28
Q 	 28.3596 	zonal 	ERA40	29.41	0.96

Total Performance Index is : 391.9692
Partial PI (atm only) is   : 0.5800

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c245 2018 2018

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.0311 	land 	CRU	25.13	0.47
msl 	  2.3735 	global 	COADS	11.69	0.20
qnet 	 18.5479 	ocean 	OAFLUX	14.24	1.30
tp 	 41.0116 	global 	CMAP	38.87	1.05
ewss 	  9.5278 	ocean 	DASILVA	4.03	2.36
nsss 	  5.5755 	ocean 	DASILVA	3.10	1.79
SST 	 44.8137 	ocean 	GISS	17.21	2.60
SSS 	  0.1459 	ocean 	levitus	0.22	0.66
SICE 	1728.2615 	ocean 	GISS	0.34	5083.12
T 	 27.1966 	zonal 	ERA40	38.89	0.69
U 	  3.0524 	zonal 	ERA40	12.07	0.25
V 	  2.2622 	zonal 	ERA40	8.25	0.27
Q 	 23.3362 	zonal 	ERA40	29.41	0.79

Total Performance Index is : 391.9653
Partial PI (atm only) is   : 0.5314