Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c585 2034 2034

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.0088 	land 	CRU	25.13	0.63
msl 	  1.9125 	global 	COADS	11.69	0.16
qnet 	 19.2835 	ocean 	OAFLUX	14.24	1.35
tp 	 40.6660 	global 	CMAP	38.87	1.04
ewss 	  7.9489 	ocean 	DASILVA	4.03	1.97
nsss 	  5.7233 	ocean 	DASILVA	3.10	1.84
SST 	 55.7949 	ocean 	GISS	17.21	3.24
SSS 	  0.1988 	ocean 	levitus	0.22	0.90
SICE 	1653.5261 	ocean 	GISS	0.34	4863.31
T 	 37.3105 	zonal 	ERA40	38.89	0.95
U 	  2.2870 	zonal 	ERA40	12.07	0.18
V 	  2.4383 	zonal 	ERA40	8.25	0.29
Q 	 29.9629 	zonal 	ERA40	29.41	1.01

Total Performance Index is : 375.1438
Partial PI (atm only) is   : 0.6085

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c585 2034 2034

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.5761 	land 	CRU	25.13	0.46
msl 	  1.9125 	global 	COADS	11.69	0.16
qnet 	 18.0492 	ocean 	OAFLUX	14.24	1.26
tp 	 40.6660 	global 	CMAP	38.87	1.04
ewss 	  8.2880 	ocean 	DASILVA	4.03	2.05
nsss 	  5.2209 	ocean 	DASILVA	3.10	1.68
SST 	 55.7949 	ocean 	GISS	17.21	3.24
SSS 	  0.1988 	ocean 	levitus	0.22	0.90
SICE 	1653.5261 	ocean 	GISS	0.34	4863.31
T 	 37.0909 	zonal 	ERA40	38.89	0.95
U 	  2.2153 	zonal 	ERA40	12.07	0.18
V 	  2.3425 	zonal 	ERA40	8.25	0.28
Q 	 25.2272 	zonal 	ERA40	29.41	0.85

Total Performance Index is : 375.1046
Partial PI (atm only) is   : 0.5600