Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 1993 1993

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.8875 	land 	CRU	25.13	0.79
msl 	  1.6592 	global 	COADS	11.69	0.14
qnet 	 19.7723 	ocean 	OAFLUX	14.24	1.38
tp 	 25.8372 	global 	CMAP	38.87	0.66
ewss 	  9.7344 	ocean 	DASILVA	4.03	2.41
nsss 	  5.2659 	ocean 	DASILVA	3.10	1.69
T 	  8.6309 	zonal 	ERA40	38.89	0.22
U 	  1.7367 	zonal 	ERA40	12.07	0.14
V 	  1.6359 	zonal 	ERA40	8.25	0.19
Q 	 18.7092 	zonal 	ERA40	29.41	0.63

Total Performance Index is : 3.4038
Partial PI (atm only) is   : 5.4600

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 1993 1993

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.3877 	land 	CRU	25.13	0.69
msl 	  1.6592 	global 	COADS	11.69	0.14
qnet 	 18.5746 	ocean 	OAFLUX	14.24	1.30
tp 	 25.8372 	global 	CMAP	38.87	0.66
ewss 	 10.8268 	ocean 	DASILVA	4.03	2.68
nsss 	  4.8283 	ocean 	DASILVA	3.10	1.55
SST 	  4.8283 	ocean 	GISS	17.21	0
SSS 	  4.8283 	ocean 	levitus	0.22	0
SICE 	  4.8283 	ocean 	GISS	0.34	0
T 	  7.6295 	zonal 	ERA40	38.89	0.19
U 	  1.6396 	zonal 	ERA40	12.07	0.13
V 	  1.5215 	zonal 	ERA40	8.25	0.18
Q 	 12.7837 	zonal 	ERA40	29.41	0.43

Total Performance Index is : 0.6115
Partial PI (atm only) is   : 0.3457