Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1855 1855

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 32.2264 	land 	CRU	25.13	1.28
msl 	  3.2080 	global 	COADS	11.69	0.27
qnet 	 20.6690 	ocean 	OAFLUX	14.24	1.45
tp 	 32.4800 	global 	CMAP	38.87	0.83
ewss 	  8.4357 	ocean 	DASILVA	4.03	2.09
nsss 	  6.3767 	ocean 	DASILVA	3.10	2.05
SST 	 27.5685 	ocean 	GISS	17.21	1.60
SSS 	  0.1674 	ocean 	levitus	0.22	0.76
SICE 	2741.6729 	ocean 	GISS	0.34	8063.74
T 	 27.2873 	zonal 	ERA40	38.89	0.70
U 	  4.0000 	zonal 	ERA40	12.07	0.33
V 	  2.6509 	zonal 	ERA40	8.25	0.32
Q 	 35.4482 	zonal 	ERA40	29.41	1.20

Total Performance Index is : 621.2784
Partial PI (atm only) is   : 0.7042

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1855 1855

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 30.8733 	land 	CRU	25.13	1.22
msl 	  3.2080 	global 	COADS	11.69	0.27
qnet 	 19.4772 	ocean 	OAFLUX	14.24	1.36
tp 	 32.4800 	global 	CMAP	38.87	0.83
ewss 	  8.4338 	ocean 	DASILVA	4.03	2.09
nsss 	  5.9254 	ocean 	DASILVA	3.10	1.91
SST 	 27.5685 	ocean 	GISS	17.21	1.60
SSS 	  0.1674 	ocean 	levitus	0.22	0.76
SICE 	2741.6729 	ocean 	GISS	0.34	8063.74
T 	 24.9839 	zonal 	ERA40	38.89	0.64
U 	  3.6563 	zonal 	ERA40	12.07	0.30
V 	  2.5032 	zonal 	ERA40	8.25	0.30
Q 	 27.6676 	zonal 	ERA40	29.41	0.94

Total Performance Index is : 621.2276
Partial PI (atm only) is   : 0.6428