Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1876 1876

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 27.3600 	land 	CRU	25.13	1.08
msl 	  2.8706 	global 	COADS	11.69	0.24
qnet 	 21.2066 	ocean 	OAFLUX	14.24	1.48
tp 	 35.2891 	global 	CMAP	38.87	0.90
ewss 	  8.3558 	ocean 	DASILVA	4.03	2.07
nsss 	  6.3671 	ocean 	DASILVA	3.10	2.05
SST 	 28.3677 	ocean 	GISS	17.21	1.64
SSS 	  0.1572 	ocean 	levitus	0.22	0.71
SICE 	2766.2577 	ocean 	GISS	0.34	8136.05
T 	 23.6280 	zonal 	ERA40	38.89	0.60
U 	  3.4622 	zonal 	ERA40	12.07	0.28
V 	  2.3479 	zonal 	ERA40	8.25	0.28
Q 	 32.7742 	zonal 	ERA40	29.41	1.11

Total Performance Index is : 626.8069
Partial PI (atm only) is   : 0.6414

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1876 1876

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 26.3126 	land 	CRU	25.13	1.04
msl 	  2.8706 	global 	COADS	11.69	0.24
qnet 	 20.0515 	ocean 	OAFLUX	14.24	1.40
tp 	 35.2891 	global 	CMAP	38.87	0.90
ewss 	  8.6099 	ocean 	DASILVA	4.03	2.13
nsss 	  5.7267 	ocean 	DASILVA	3.10	1.84
SST 	 28.3677 	ocean 	GISS	17.21	1.64
SSS 	  0.1572 	ocean 	levitus	0.22	0.71
SICE 	2766.2577 	ocean 	GISS	0.34	8136.05
T 	 21.4333 	zonal 	ERA40	38.89	0.55
U 	  3.2512 	zonal 	ERA40	12.07	0.26
V 	  2.2303 	zonal 	ERA40	8.25	0.27
Q 	 25.3168 	zonal 	ERA40	29.41	0.86

Total Performance Index is : 626.7607
Partial PI (atm only) is   : 0.5885