Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1871 1871

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 26.6795 	land 	CRU	25.13	1.06
msl 	  2.4195 	global 	COADS	11.69	0.20
qnet 	 20.4682 	ocean 	OAFLUX	14.24	1.43
tp 	 37.5125 	global 	CMAP	38.87	0.96
ewss 	  8.1557 	ocean 	DASILVA	4.03	2.02
nsss 	  5.5531 	ocean 	DASILVA	3.10	1.79
SST 	 27.2478 	ocean 	GISS	17.21	1.58
SSS 	  0.1467 	ocean 	levitus	0.22	0.66
SICE 	2459.9223 	ocean 	GISS	0.34	7235.06
T 	 23.7206 	zonal 	ERA40	38.89	0.60
U 	  3.4493 	zonal 	ERA40	12.07	0.28
V 	  2.6395 	zonal 	ERA40	8.25	0.31
Q 	 32.9177 	zonal 	ERA40	29.41	1.11

Total Performance Index is : 557.4661
Partial PI (atm only) is   : 0.6457

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1871 1871

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.8153 	land 	CRU	25.13	1.02
msl 	  2.4195 	global 	COADS	11.69	0.20
qnet 	 19.2977 	ocean 	OAFLUX	14.24	1.35
tp 	 37.5125 	global 	CMAP	38.87	0.96
ewss 	  8.1021 	ocean 	DASILVA	4.03	2.01
nsss 	  5.0081 	ocean 	DASILVA	3.10	1.61
SST 	 27.2478 	ocean 	GISS	17.21	1.58
SSS 	  0.1467 	ocean 	levitus	0.22	0.66
SICE 	2459.9223 	ocean 	GISS	0.34	7235.06
T 	 21.4422 	zonal 	ERA40	38.89	0.55
U 	  3.1561 	zonal 	ERA40	12.07	0.26
V 	  2.5241 	zonal 	ERA40	8.25	0.30
Q 	 25.3041 	zonal 	ERA40	29.41	0.86

Total Performance Index is : 557.4169
Partial PI (atm only) is   : 0.5928