Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vaaa 1997 1997

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.1704 	land 	CRU	25.13	0.72
msl 	  1.7942 	global 	COADS	11.69	0.15
qnet 	 19.5074 	ocean 	OAFLUX	14.24	1.36
tp 	 24.6385 	global 	CMAP	38.87	0.63
ewss 	 10.8028 	ocean 	DASILVA	4.03	2.68
nsss 	  5.4887 	ocean 	DASILVA	3.10	1.77
T 	  6.5560 	zonal 	ERA40	38.89	0.16
U 	  2.6339 	zonal 	ERA40	12.07	0.21
V 	  1.9506 	zonal 	ERA40	8.25	0.23
Q 	 17.0859 	zonal 	ERA40	29.41	0.58

Total Performance Index is : 3.4223
Partial PI (atm only) is   : 5.4400

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vaaa 1997 1997

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.3027 	land 	CRU	25.13	0.52
msl 	  1.7942 	global 	COADS	11.69	0.15
qnet 	 18.2653 	ocean 	OAFLUX	14.24	1.28
tp 	 24.6385 	global 	CMAP	38.87	0.63
ewss 	 12.3884 	ocean 	DASILVA	4.03	3.07
nsss 	  4.9211 	ocean 	DASILVA	3.10	1.58
SST 	  4.9211 	ocean 	GISS	17.21	0
SSS 	  4.9211 	ocean 	levitus	0.22	0
SICE 	  4.9211 	ocean 	GISS	0.34	0
T 	  5.8709 	zonal 	ERA40	38.89	0.15
U 	  2.4499 	zonal 	ERA40	12.07	0.20
V 	  1.8415 	zonal 	ERA40	8.25	0.22
Q 	 10.6198 	zonal 	ERA40	29.41	0.36

Total Performance Index is : 0.6276
Partial PI (atm only) is   : 0.3185