Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1989 1989

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 21.9126 	land 	CRU	25.13	0.87
msl 	  3.5524 	global 	COADS	11.69	0.30
qnet 	 19.9462 	ocean 	OAFLUX	14.24	1.40
tp 	 38.0727 	global 	CMAP	38.87	0.97
ewss 	  8.4131 	ocean 	DASILVA	4.03	2.08
nsss 	  6.1479 	ocean 	DASILVA	3.10	1.98
SST 	 37.5157 	ocean 	GISS	17.21	2.17
SSS 	  0.1662 	ocean 	levitus	0.22	0.75
SICE 	2405.0153 	ocean 	GISS	0.34	7073.57
T 	 23.3331 	zonal 	ERA40	38.89	0.59
U 	  5.0561 	zonal 	ERA40	12.07	0.41
V 	  3.6263 	zonal 	ERA40	8.25	0.43
Q 	 33.3231 	zonal 	ERA40	29.41	1.13

Total Performance Index is : 545.1269
Partial PI (atm only) is   : 0.6714

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1989 1989

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 20.9409 	land 	CRU	25.13	0.83
msl 	  3.5524 	global 	COADS	11.69	0.30
qnet 	 18.7310 	ocean 	OAFLUX	14.24	1.31
tp 	 38.0727 	global 	CMAP	38.87	0.97
ewss 	  8.2866 	ocean 	DASILVA	4.03	2.05
nsss 	  6.0519 	ocean 	DASILVA	3.10	1.95
SST 	 37.5157 	ocean 	GISS	17.21	2.17
SSS 	  0.1662 	ocean 	levitus	0.22	0.75
SICE 	2405.0153 	ocean 	GISS	0.34	7073.57
T 	 22.4262 	zonal 	ERA40	38.89	0.57
U 	  4.7958 	zonal 	ERA40	12.07	0.39
V 	  3.4884 	zonal 	ERA40	8.25	0.42
Q 	 27.3710 	zonal 	ERA40	29.41	0.93

Total Performance Index is : 545.0930
Partial PI (atm only) is   : 0.6300