Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 1984 1984

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 21.1366 	land 	CRU	25.13	0.84
msl 	  2.1331 	global 	COADS	11.69	0.18
qnet 	 20.9262 	ocean 	OAFLUX	14.24	1.46
tp 	 25.8191 	global 	CMAP	38.87	0.66
ewss 	 10.1316 	ocean 	DASILVA	4.03	2.51
nsss 	  4.7551 	ocean 	DASILVA	3.10	1.53
T 	  9.2013 	zonal 	ERA40	38.89	0.23
U 	  3.2621 	zonal 	ERA40	12.07	0.27
V 	  2.6835 	zonal 	ERA40	8.25	0.32
Q 	 21.1899 	zonal 	ERA40	29.41	0.72

Total Performance Index is : 3.4400
Partial PI (atm only) is   : 5.4857

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 1984 1984

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.5134 	land 	CRU	25.13	0.77
msl 	  2.1331 	global 	COADS	11.69	0.18
qnet 	 19.7207 	ocean 	OAFLUX	14.24	1.38
tp 	 25.8191 	global 	CMAP	38.87	0.66
ewss 	 10.7938 	ocean 	DASILVA	4.03	2.67
nsss 	  4.3556 	ocean 	DASILVA	3.10	1.40
SST 	  4.3556 	ocean 	GISS	17.21	0
SSS 	  4.3556 	ocean 	levitus	0.22	0
SICE 	  4.3556 	ocean 	GISS	0.34	0
T 	  8.1709 	zonal 	ERA40	38.89	0.21
U 	  3.0256 	zonal 	ERA40	12.07	0.25
V 	  2.5516 	zonal 	ERA40	8.25	0.30
Q 	 14.8929 	zonal 	ERA40	29.41	0.50

Total Performance Index is : 0.6400
Partial PI (atm only) is   : 0.4100