Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1942 1942

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.1614 	land 	CRU	25.13	0.88
msl 	  2.6275 	global 	COADS	11.69	0.22
qnet 	 20.1204 	ocean 	OAFLUX	14.24	1.41
tp 	 29.8191 	global 	CMAP	38.87	0.76
ewss 	  8.7745 	ocean 	DASILVA	4.03	2.17
nsss 	  5.5316 	ocean 	DASILVA	3.10	1.78
SST 	 33.2765 	ocean 	GISS	17.21	1.93
SSS 	  0.1737 	ocean 	levitus	0.22	0.78
SICE 	2745.3283 	ocean 	GISS	0.34	8074.49
T 	 23.5915 	zonal 	ERA40	38.89	0.60
U 	  3.2252 	zonal 	ERA40	12.07	0.26
V 	  2.3457 	zonal 	ERA40	8.25	0.28
Q 	 32.1049 	zonal 	ERA40	29.41	1.09

Total Performance Index is : 622.0500
Partial PI (atm only) is   : 0.5842

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1942 1942

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 21.3807 	land 	CRU	25.13	0.85
msl 	  2.6275 	global 	COADS	11.69	0.22
qnet 	 18.9182 	ocean 	OAFLUX	14.24	1.32
tp 	 29.8191 	global 	CMAP	38.87	0.76
ewss 	  9.2256 	ocean 	DASILVA	4.03	2.28
nsss 	  4.9992 	ocean 	DASILVA	3.10	1.61
SST 	 33.2765 	ocean 	GISS	17.21	1.93
SSS 	  0.1737 	ocean 	levitus	0.22	0.78
SICE 	2745.3283 	ocean 	GISS	0.34	8074.49
T 	 21.7543 	zonal 	ERA40	38.89	0.55
U 	  3.0368 	zonal 	ERA40	12.07	0.25
V 	  2.2361 	zonal 	ERA40	8.25	0.27
Q 	 25.2378 	zonal 	ERA40	29.41	0.85

Total Performance Index is : 622.0123
Partial PI (atm only) is   : 0.5357