Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v245 2022 2022

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.5495 	land 	CRU	25.13	0.61
msl 	  2.0956 	global 	COADS	11.69	0.17
qnet 	 19.1818 	ocean 	OAFLUX	14.24	1.34
tp 	 36.8778 	global 	CMAP	38.87	0.94
ewss 	  8.1222 	ocean 	DASILVA	4.03	2.01
nsss 	  6.0295 	ocean 	DASILVA	3.10	1.94
SST 	 43.4145 	ocean 	GISS	17.21	2.52
SSS 	  0.1524 	ocean 	levitus	0.22	0.69
SICE 	1778.0958 	ocean 	GISS	0.34	5229.69
T 	 28.1383 	zonal 	ERA40	38.89	0.72
U 	  2.6944 	zonal 	ERA40	12.07	0.22
V 	  2.3030 	zonal 	ERA40	8.25	0.27
Q 	 25.7815 	zonal 	ERA40	29.41	0.87

Total Performance Index is : 403.2300
Partial PI (atm only) is   : 0.5428

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v245 2022 2022

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.9775 	land 	CRU	25.13	0.47
msl 	  2.0956 	global 	COADS	11.69	0.17
qnet 	 17.9528 	ocean 	OAFLUX	14.24	1.26
tp 	 36.8778 	global 	CMAP	38.87	0.94
ewss 	  8.5849 	ocean 	DASILVA	4.03	2.13
nsss 	  5.3464 	ocean 	DASILVA	3.10	1.72
SST 	 43.4145 	ocean 	GISS	17.21	2.52
SSS 	  0.1524 	ocean 	levitus	0.22	0.69
SICE 	1778.0958 	ocean 	GISS	0.34	5229.69
T 	 27.7655 	zonal 	ERA40	38.89	0.71
U 	  2.5586 	zonal 	ERA40	12.07	0.21
V 	  2.1862 	zonal 	ERA40	8.25	0.26
Q 	 20.7612 	zonal 	ERA40	29.41	0.70

Total Performance Index is : 403.1900
Partial PI (atm only) is   : 0.4942