Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v585 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.0897 	land 	CRU	25.13	0.60
msl 	  1.7435 	global 	COADS	11.69	0.14
qnet 	 19.7439 	ocean 	OAFLUX	14.24	1.38
tp 	 35.8628 	global 	CMAP	38.87	0.92
ewss 	  7.4432 	ocean 	DASILVA	4.03	1.84
nsss 	  5.5829 	ocean 	DASILVA	3.10	1.80
SST 	 41.0710 	ocean 	GISS	17.21	2.38
SSS 	  0.1452 	ocean 	levitus	0.22	0.66
SICE 	1767.8030 	ocean 	GISS	0.34	5199.42
T 	 24.5918 	zonal 	ERA40	38.89	0.63
U 	  2.4507 	zonal 	ERA40	12.07	0.20
V 	  2.4049 	zonal 	ERA40	8.25	0.29
Q 	 25.3737 	zonal 	ERA40	29.41	0.86

Total Performance Index is : 400.8553
Partial PI (atm only) is   : 0.5200

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v585 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.0047 	land 	CRU	25.13	0.47
msl 	  1.7435 	global 	COADS	11.69	0.14
qnet 	 18.5244 	ocean 	OAFLUX	14.24	1.30
tp 	 35.8628 	global 	CMAP	38.87	0.92
ewss 	  8.0190 	ocean 	DASILVA	4.03	1.98
nsss 	  4.9177 	ocean 	DASILVA	3.10	1.58
SST 	 41.0710 	ocean 	GISS	17.21	2.38
SSS 	  0.1452 	ocean 	levitus	0.22	0.66
SICE 	1767.8030 	ocean 	GISS	0.34	5199.42
T 	 24.1623 	zonal 	ERA40	38.89	0.62
U 	  2.3173 	zonal 	ERA40	12.07	0.19
V 	  2.2810 	zonal 	ERA40	8.25	0.27
Q 	 19.8072 	zonal 	ERA40	29.41	0.67

Total Performance Index is : 400.8153
Partial PI (atm only) is   : 0.4685