Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 2001 2001

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.8121 	land 	CRU	25.13	0.66
msl 	  1.9781 	global 	COADS	11.69	0.16
qnet 	 20.7561 	ocean 	OAFLUX	14.24	1.45
tp 	 23.9129 	global 	CMAP	38.87	0.61
ewss 	  9.4642 	ocean 	DASILVA	4.03	2.34
nsss 	  5.0700 	ocean 	DASILVA	3.10	1.63
T 	  5.7914 	zonal 	ERA40	38.89	0.14
U 	  2.5716 	zonal 	ERA40	12.07	0.21
V 	  2.0549 	zonal 	ERA40	8.25	0.24
Q 	 15.9142 	zonal 	ERA40	29.41	0.54

Total Performance Index is : 3.3830
Partial PI (atm only) is   : 5.4242

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 2001 2001

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.0231 	land 	CRU	25.13	0.55
msl 	  1.9781 	global 	COADS	11.69	0.16
qnet 	 19.5132 	ocean 	OAFLUX	14.24	1.37
tp 	 23.9129 	global 	CMAP	38.87	0.61
ewss 	  9.2720 	ocean 	DASILVA	4.03	2.30
nsss 	  4.5826 	ocean 	DASILVA	3.10	1.47
SST 	  4.5826 	ocean 	GISS	17.21	0
SSS 	  4.5826 	ocean 	levitus	0.22	0
SICE 	  4.5826 	ocean 	GISS	0.34	0
T 	  5.0293 	zonal 	ERA40	38.89	0.12
U 	  2.3083 	zonal 	ERA40	12.07	0.19
V 	  1.9331 	zonal 	ERA40	8.25	0.23
Q 	  9.4232 	zonal 	ERA40	29.41	0.32

Total Performance Index is : 0.5630
Partial PI (atm only) is   : 0.3114