Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1852 1852

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 28.2421 	land 	CRU	25.13	1.12
msl 	  2.9086 	global 	COADS	11.69	0.24
qnet 	 21.4230 	ocean 	OAFLUX	14.24	1.50
tp 	 30.0787 	global 	CMAP	38.87	0.77
ewss 	  9.3383 	ocean 	DASILVA	4.03	2.31
nsss 	  7.1096 	ocean 	DASILVA	3.10	2.29
SST 	 29.4237 	ocean 	GISS	17.21	1.70
SSS 	  0.1657 	ocean 	levitus	0.22	0.75
SICE 	2709.7513 	ocean 	GISS	0.34	7969.85
T 	 25.0674 	zonal 	ERA40	38.89	0.64
U 	  3.5012 	zonal 	ERA40	12.07	0.29
V 	  2.9404 	zonal 	ERA40	8.25	0.35
Q 	 35.2919 	zonal 	ERA40	29.41	1.19

Total Performance Index is : 614.0769
Partial PI (atm only) is   : 0.6571

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1852 1852

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 26.3614 	land 	CRU	25.13	1.04
msl 	  2.9086 	global 	COADS	11.69	0.24
qnet 	 20.3011 	ocean 	OAFLUX	14.24	1.42
tp 	 30.0787 	global 	CMAP	38.87	0.77
ewss 	  9.9463 	ocean 	DASILVA	4.03	2.46
nsss 	  6.6336 	ocean 	DASILVA	3.10	2.13
SST 	 29.4237 	ocean 	GISS	17.21	1.70
SSS 	  0.1657 	ocean 	levitus	0.22	0.75
SICE 	2709.7513 	ocean 	GISS	0.34	7969.85
T 	 22.7556 	zonal 	ERA40	38.89	0.58
U 	  3.1632 	zonal 	ERA40	12.07	0.26
V 	  2.8076 	zonal 	ERA40	8.25	0.34
Q 	 27.7216 	zonal 	ERA40	29.41	0.94

Total Performance Index is : 614.0369
Partial PI (atm only) is   : 0.5957