Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1897 1897

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 27.6991 	land 	CRU	25.13	1.10
msl 	  3.1888 	global 	COADS	11.69	0.27
qnet 	 21.0219 	ocean 	OAFLUX	14.24	1.47
tp 	 40.9581 	global 	CMAP	38.87	1.05
ewss 	  9.3329 	ocean 	DASILVA	4.03	2.31
nsss 	  6.5404 	ocean 	DASILVA	3.10	2.10
SST 	 31.6867 	ocean 	GISS	17.21	1.84
SSS 	  0.1678 	ocean 	levitus	0.22	0.76
SICE 	2690.0307 	ocean 	GISS	0.34	7911.85
T 	 26.9218 	zonal 	ERA40	38.89	0.69
U 	  3.5284 	zonal 	ERA40	12.07	0.29
V 	  2.5499 	zonal 	ERA40	8.25	0.30
Q 	 35.3136 	zonal 	ERA40	29.41	1.20

Total Performance Index is : 609.6330
Partial PI (atm only) is   : 0.7000

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1897 1897

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 26.6688 	land 	CRU	25.13	1.06
msl 	  3.1888 	global 	COADS	11.69	0.27
qnet 	 19.8656 	ocean 	OAFLUX	14.24	1.39
tp 	 40.9581 	global 	CMAP	38.87	1.05
ewss 	  9.5864 	ocean 	DASILVA	4.03	2.37
nsss 	  5.8346 	ocean 	DASILVA	3.10	1.88
SST 	 31.6867 	ocean 	GISS	17.21	1.84
SSS 	  0.1678 	ocean 	levitus	0.22	0.76
SICE 	2690.0307 	ocean 	GISS	0.34	7911.85
T 	 24.8773 	zonal 	ERA40	38.89	0.63
U 	  3.2933 	zonal 	ERA40	12.07	0.27
V 	  2.4388 	zonal 	ERA40	8.25	0.29
Q 	 27.6918 	zonal 	ERA40	29.41	0.94

Total Performance Index is : 609.5846
Partial PI (atm only) is   : 0.6442