Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1903 1903

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 24.4911 	land 	CRU	25.13	0.97
msl 	  2.1922 	global 	COADS	11.69	0.18
qnet 	 21.2814 	ocean 	OAFLUX	14.24	1.49
tp 	 32.6123 	global 	CMAP	38.87	0.83
ewss 	  8.4522 	ocean 	DASILVA	4.03	2.09
nsss 	  6.1153 	ocean 	DASILVA	3.10	1.97
SST 	 26.5629 	ocean 	GISS	17.21	1.54
SSS 	  0.1302 	ocean 	levitus	0.22	0.59
SICE 	2508.1789 	ocean 	GISS	0.34	7376.99
T 	 23.0122 	zonal 	ERA40	38.89	0.59
U 	  3.7126 	zonal 	ERA40	12.07	0.30
V 	  2.6060 	zonal 	ERA40	8.25	0.31
Q 	 31.4327 	zonal 	ERA40	29.41	1.06

Total Performance Index is : 568.3776
Partial PI (atm only) is   : 0.6057

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1903 1903

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.3732 	land 	CRU	25.13	0.93
msl 	  2.1922 	global 	COADS	11.69	0.18
qnet 	 20.1370 	ocean 	OAFLUX	14.24	1.41
tp 	 32.6123 	global 	CMAP	38.87	0.83
ewss 	  9.2290 	ocean 	DASILVA	4.03	2.29
nsss 	  5.9636 	ocean 	DASILVA	3.10	1.92
SST 	 26.5629 	ocean 	GISS	17.21	1.54
SSS 	  0.1302 	ocean 	levitus	0.22	0.59
SICE 	2508.1789 	ocean 	GISS	0.34	7376.99
T 	 20.5074 	zonal 	ERA40	38.89	0.52
U 	  3.4214 	zonal 	ERA40	12.07	0.28
V 	  2.4710 	zonal 	ERA40	8.25	0.29
Q 	 24.3598 	zonal 	ERA40	29.41	0.82

Total Performance Index is : 568.3530
Partial PI (atm only) is   : 0.5500