Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1903 1903

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 37.7189 	land 	CRU	25.13	1.50
msl 	  3.5773 	global 	COADS	11.69	0.30
qnet 	 20.9109 	ocean 	OAFLUX	14.24	1.46
tp 	 41.7375 	global 	CMAP	38.87	1.07
ewss 	  7.6817 	ocean 	DASILVA	4.03	1.90
nsss 	  6.2065 	ocean 	DASILVA	3.10	2.00
SST 	 29.3300 	ocean 	GISS	17.21	1.70
SSS 	  0.1792 	ocean 	levitus	0.22	0.81
SICE 	2722.0044 	ocean 	GISS	0.34	8005.89
T 	 35.8227 	zonal 	ERA40	38.89	0.92
U 	  4.9206 	zonal 	ERA40	12.07	0.40
V 	  2.8270 	zonal 	ERA40	8.25	0.34
Q 	 41.0054 	zonal 	ERA40	29.41	1.39

Total Performance Index is : 616.8984
Partial PI (atm only) is   : 0.8457

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1903 1903

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 35.5315 	land 	CRU	25.13	1.41
msl 	  3.5773 	global 	COADS	11.69	0.30
qnet 	 19.7284 	ocean 	OAFLUX	14.24	1.38
tp 	 41.7375 	global 	CMAP	38.87	1.07
ewss 	  7.8678 	ocean 	DASILVA	4.03	1.95
nsss 	  5.7109 	ocean 	DASILVA	3.10	1.84
SST 	 29.3300 	ocean 	GISS	17.21	1.70
SSS 	  0.1792 	ocean 	levitus	0.22	0.81
SICE 	2722.0044 	ocean 	GISS	0.34	8005.89
T 	 33.1607 	zonal 	ERA40	38.89	0.85
U 	  4.5958 	zonal 	ERA40	12.07	0.38
V 	  2.6980 	zonal 	ERA40	8.25	0.32
Q 	 33.3099 	zonal 	ERA40	29.41	1.13

Total Performance Index is : 616.8484
Partial PI (atm only) is   : 0.7800