Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v585 2020 2020

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.9663 	land 	CRU	25.13	0.63
msl 	  2.3397 	global 	COADS	11.69	0.20
qnet 	 20.0785 	ocean 	OAFLUX	14.24	1.41
tp 	 49.4464 	global 	CMAP	38.87	1.27
ewss 	  9.6406 	ocean 	DASILVA	4.03	2.39
nsss 	  6.9401 	ocean 	DASILVA	3.10	2.23
SST 	 47.1264 	ocean 	GISS	17.21	2.73
SSS 	  0.1338 	ocean 	levitus	0.22	0.60
SICE 	1783.9726 	ocean 	GISS	0.34	5246.97
T 	 30.3800 	zonal 	ERA40	38.89	0.78
U 	  2.8583 	zonal 	ERA40	12.07	0.23
V 	  2.5454 	zonal 	ERA40	8.25	0.30
Q 	 27.5762 	zonal 	ERA40	29.41	0.93

Total Performance Index is : 404.6669
Partial PI (atm only) is   : 0.6200

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v585 2020 2020

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.3950 	land 	CRU	25.13	0.49
msl 	  2.3397 	global 	COADS	11.69	0.20
qnet 	 18.8941 	ocean 	OAFLUX	14.24	1.32
tp 	 49.4464 	global 	CMAP	38.87	1.27
ewss 	 10.8470 	ocean 	DASILVA	4.03	2.69
nsss 	  6.1253 	ocean 	DASILVA	3.10	1.97
SST 	 47.1264 	ocean 	GISS	17.21	2.73
SSS 	  0.1338 	ocean 	levitus	0.22	0.60
SICE 	1783.9726 	ocean 	GISS	0.34	5246.97
T 	 30.0326 	zonal 	ERA40	38.89	0.77
U 	  2.7506 	zonal 	ERA40	12.07	0.22
V 	  2.4251 	zonal 	ERA40	8.25	0.29
Q 	 22.5078 	zonal 	ERA40	29.41	0.76

Total Performance Index is : 404.6369
Partial PI (atm only) is   : 0.5714