Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1866 1866

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 29.1526 	land 	CRU	25.13	1.16
msl 	  3.1947 	global 	COADS	11.69	0.27
qnet 	 20.8311 	ocean 	OAFLUX	14.24	1.46
tp 	 30.5770 	global 	CMAP	38.87	0.78
ewss 	  8.0641 	ocean 	DASILVA	4.03	2.00
nsss 	  5.6491 	ocean 	DASILVA	3.10	1.82
SST 	 26.5103 	ocean 	GISS	17.21	1.54
SSS 	  0.1514 	ocean 	levitus	0.22	0.68
SICE 	2633.8553 	ocean 	GISS	0.34	7746.63
T 	 24.6703 	zonal 	ERA40	38.89	0.63
U 	  4.4093 	zonal 	ERA40	12.07	0.36
V 	  2.7450 	zonal 	ERA40	8.25	0.33
Q 	 31.2317 	zonal 	ERA40	29.41	1.06

Total Performance Index is : 596.8246
Partial PI (atm only) is   : 0.6557

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1866 1866

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 26.8303 	land 	CRU	25.13	1.06
msl 	  3.1947 	global 	COADS	11.69	0.27
qnet 	 19.6453 	ocean 	OAFLUX	14.24	1.37
tp 	 30.5770 	global 	CMAP	38.87	0.78
ewss 	  7.9993 	ocean 	DASILVA	4.03	1.98
nsss 	  5.5530 	ocean 	DASILVA	3.10	1.79
SST 	 26.5103 	ocean 	GISS	17.21	1.54
SSS 	  0.1514 	ocean 	levitus	0.22	0.68
SICE 	2633.8553 	ocean 	GISS	0.34	7746.63
T 	 22.4821 	zonal 	ERA40	38.89	0.57
U 	  4.0650 	zonal 	ERA40	12.07	0.33
V 	  2.6218 	zonal 	ERA40	8.25	0.31
Q 	 23.8428 	zonal 	ERA40	29.41	0.81

Total Performance Index is : 596.7784
Partial PI (atm only) is   : 0.5900