Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 1976 1976

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 28.5923 	land 	CRU	25.13	1.13
msl 	  1.9928 	global 	COADS	11.69	0.17
qnet 	 19.8852 	ocean 	OAFLUX	14.24	1.39
tp 	 24.0488 	global 	CMAP	38.87	0.61
ewss 	  9.7462 	ocean 	DASILVA	4.03	2.41
nsss 	  5.0997 	ocean 	DASILVA	3.10	1.64
T 	 13.8034 	zonal 	ERA40	38.89	0.35
U 	  3.9776 	zonal 	ERA40	12.07	0.32
V 	  2.4084 	zonal 	ERA40	8.25	0.29
Q 	 25.0090 	zonal 	ERA40	29.41	0.85

Total Performance Index is : 3.4738
Partial PI (atm only) is   : 5.5371

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 1976 1976

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.4973 	land 	CRU	25.13	0.93
msl 	  1.9928 	global 	COADS	11.69	0.17
qnet 	 18.6985 	ocean 	OAFLUX	14.24	1.31
tp 	 24.0488 	global 	CMAP	38.87	0.61
ewss 	 10.9257 	ocean 	DASILVA	4.03	2.71
nsss 	  4.8556 	ocean 	DASILVA	3.10	1.56
SST 	  4.8556 	ocean 	GISS	17.21	0
SSS 	  4.8556 	ocean 	levitus	0.22	0
SICE 	  4.8556 	ocean 	GISS	0.34	0
T 	 12.5218 	zonal 	ERA40	38.89	0.32
U 	  3.7182 	zonal 	ERA40	12.07	0.30
V 	  2.2647 	zonal 	ERA40	8.25	0.27
Q 	 18.2630 	zonal 	ERA40	29.41	0.62

Total Performance Index is : 0.6769
Partial PI (atm only) is   : 0.4600