Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1902 1902

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 20.1338 	land 	CRU	25.13	0.80
msl 	  2.4184 	global 	COADS	11.69	0.20
qnet 	 20.4759 	ocean 	OAFLUX	14.24	1.43
tp 	 42.5943 	global 	CMAP	38.87	1.09
ewss 	  8.2318 	ocean 	DASILVA	4.03	2.04
nsss 	  5.5414 	ocean 	DASILVA	3.10	1.78
SST 	 26.4043 	ocean 	GISS	17.21	1.53
SSS 	  0.1284 	ocean 	levitus	0.22	0.58
SICE 	2488.0038 	ocean 	GISS	0.34	7317.65
T 	 18.9870 	zonal 	ERA40	38.89	0.48
U 	  4.0491 	zonal 	ERA40	12.07	0.33
V 	  2.5193 	zonal 	ERA40	8.25	0.30
Q 	 26.5953 	zonal 	ERA40	29.41	0.90

Total Performance Index is : 563.7776
Partial PI (atm only) is   : 0.5857

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1902 1902

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.2184 	land 	CRU	25.13	0.72
msl 	  2.4184 	global 	COADS	11.69	0.20
qnet 	 19.3134 	ocean 	OAFLUX	14.24	1.35
tp 	 42.5943 	global 	CMAP	38.87	1.09
ewss 	  8.3331 	ocean 	DASILVA	4.03	2.06
nsss 	  5.1372 	ocean 	DASILVA	3.10	1.65
SST 	 26.4043 	ocean 	GISS	17.21	1.53
SSS 	  0.1284 	ocean 	levitus	0.22	0.58
SICE 	2488.0038 	ocean 	GISS	0.34	7317.65
T 	 16.9622 	zonal 	ERA40	38.89	0.43
U 	  3.7927 	zonal 	ERA40	12.07	0.31
V 	  2.4144 	zonal 	ERA40	8.25	0.29
Q 	 19.4915 	zonal 	ERA40	29.41	0.66

Total Performance Index is : 563.7323
Partial PI (atm only) is   : 0.5285