Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1853 1853

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.9550 	land 	CRU	25.13	1.03
msl 	  1.8177 	global 	COADS	11.69	0.15
qnet 	 21.7862 	ocean 	OAFLUX	14.24	1.52
tp 	 38.2412 	global 	CMAP	38.87	0.98
ewss 	  8.7594 	ocean 	DASILVA	4.03	2.17
nsss 	  6.1322 	ocean 	DASILVA	3.10	1.97
SST 	 22.2857 	ocean 	GISS	17.21	1.29
SSS 	  0.1443 	ocean 	levitus	0.22	0.65
SICE 	2674.8361 	ocean 	GISS	0.34	7867.16
T 	 21.5748 	zonal 	ERA40	38.89	0.55
U 	  3.8181 	zonal 	ERA40	12.07	0.31
V 	  2.5752 	zonal 	ERA40	8.25	0.31
Q 	 29.0644 	zonal 	ERA40	29.41	0.98

Total Performance Index is : 606.0823
Partial PI (atm only) is   : 0.6157

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1853 1853

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.7707 	land 	CRU	25.13	0.94
msl 	  1.8177 	global 	COADS	11.69	0.15
qnet 	 20.6629 	ocean 	OAFLUX	14.24	1.45
tp 	 38.2412 	global 	CMAP	38.87	0.98
ewss 	  8.6975 	ocean 	DASILVA	4.03	2.15
nsss 	  5.2741 	ocean 	DASILVA	3.10	1.70
SST 	 22.2857 	ocean 	GISS	17.21	1.29
SSS 	  0.1443 	ocean 	levitus	0.22	0.65
SICE 	2674.8361 	ocean 	GISS	0.34	7867.16
T 	 19.3005 	zonal 	ERA40	38.89	0.49
U 	  3.4976 	zonal 	ERA40	12.07	0.28
V 	  2.4621 	zonal 	ERA40	8.25	0.29
Q 	 21.4645 	zonal 	ERA40	29.41	0.72

Total Performance Index is : 606.0192
Partial PI (atm only) is   : 0.5500