Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1966 1966

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 20.4556 	land 	CRU	25.13	0.81
msl 	  1.9060 	global 	COADS	11.69	0.16
qnet 	 20.0317 	ocean 	OAFLUX	14.24	1.40
tp 	 35.7375 	global 	CMAP	38.87	0.91
ewss 	  7.5301 	ocean 	DASILVA	4.03	1.86
nsss 	  5.3889 	ocean 	DASILVA	3.10	1.73
SST 	 31.6808 	ocean 	GISS	17.21	1.84
SSS 	  0.1451 	ocean 	levitus	0.22	0.65
SICE 	2318.7143 	ocean 	GISS	0.34	6819.74
T 	 21.9301 	zonal 	ERA40	38.89	0.56
U 	  2.9328 	zonal 	ERA40	12.07	0.24
V 	  1.9627 	zonal 	ERA40	8.25	0.23
Q 	 29.0213 	zonal 	ERA40	29.41	0.98

Total Performance Index is : 525.4700
Partial PI (atm only) is   : 0.5557

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1966 1966

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.9919 	land 	CRU	25.13	0.75
msl 	  1.9060 	global 	COADS	11.69	0.16
qnet 	 18.8509 	ocean 	OAFLUX	14.24	1.32
tp 	 35.7375 	global 	CMAP	38.87	0.91
ewss 	  7.4599 	ocean 	DASILVA	4.03	1.85
nsss 	  4.7451 	ocean 	DASILVA	3.10	1.53
SST 	 31.6808 	ocean 	GISS	17.21	1.84
SSS 	  0.1451 	ocean 	levitus	0.22	0.65
SICE 	2318.7143 	ocean 	GISS	0.34	6819.74
T 	 20.5323 	zonal 	ERA40	38.89	0.52
U 	  2.6702 	zonal 	ERA40	12.07	0.22
V 	  1.8551 	zonal 	ERA40	8.25	0.22
Q 	 22.5580 	zonal 	ERA40	29.41	0.76

Total Performance Index is : 525.4207
Partial PI (atm only) is   : 0.5057