Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1935 1935

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.3729 	land 	CRU	25.13	0.89
msl 	  1.6558 	global 	COADS	11.69	0.14
qnet 	 19.5767 	ocean 	OAFLUX	14.24	1.37
tp 	 34.7337 	global 	CMAP	38.87	0.89
ewss 	  8.1715 	ocean 	DASILVA	4.03	2.02
nsss 	  5.6444 	ocean 	DASILVA	3.10	1.82
SST 	 29.6254 	ocean 	GISS	17.21	1.72
SSS 	  0.1296 	ocean 	levitus	0.22	0.58
SICE 	2342.3312 	ocean 	GISS	0.34	6889.20
T 	 22.0808 	zonal 	ERA40	38.89	0.56
U 	  3.0862 	zonal 	ERA40	12.07	0.25
V 	  2.3073 	zonal 	ERA40	8.25	0.27
Q 	 29.0411 	zonal 	ERA40	29.41	0.98

Total Performance Index is : 530.8223
Partial PI (atm only) is   : 0.5685

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1935 1935

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 20.2229 	land 	CRU	25.13	0.80
msl 	  1.6558 	global 	COADS	11.69	0.14
qnet 	 18.3686 	ocean 	OAFLUX	14.24	1.28
tp 	 34.7337 	global 	CMAP	38.87	0.89
ewss 	  8.3310 	ocean 	DASILVA	4.03	2.06
nsss 	  4.7680 	ocean 	DASILVA	3.10	1.53
SST 	 29.6254 	ocean 	GISS	17.21	1.72
SSS 	  0.1296 	ocean 	levitus	0.22	0.58
SICE 	2342.3312 	ocean 	GISS	0.34	6889.20
T 	 20.3486 	zonal 	ERA40	38.89	0.52
U 	  2.7978 	zonal 	ERA40	12.07	0.23
V 	  2.1617 	zonal 	ERA40	8.25	0.26
Q 	 22.1044 	zonal 	ERA40	29.41	0.75

Total Performance Index is : 530.7661
Partial PI (atm only) is   : 0.5128