Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1907 1907

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.8114 	land 	CRU	25.13	0.94
msl 	  2.1963 	global 	COADS	11.69	0.18
qnet 	 20.5317 	ocean 	OAFLUX	14.24	1.44
tp 	 37.7421 	global 	CMAP	38.87	0.97
ewss 	  8.5302 	ocean 	DASILVA	4.03	2.11
nsss 	  5.6458 	ocean 	DASILVA	3.10	1.82
SST 	 27.0079 	ocean 	GISS	17.21	1.56
SSS 	  0.1275 	ocean 	levitus	0.22	0.57
SICE 	2458.7380 	ocean 	GISS	0.34	7231.58
T 	 22.0973 	zonal 	ERA40	38.89	0.56
U 	  3.3967 	zonal 	ERA40	12.07	0.28
V 	  2.6638 	zonal 	ERA40	8.25	0.32
Q 	 29.3559 	zonal 	ERA40	29.41	0.99

Total Performance Index is : 557.1784
Partial PI (atm only) is   : 0.6057

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1907 1907

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 21.9349 	land 	CRU	25.13	0.87
msl 	  2.1963 	global 	COADS	11.69	0.18
qnet 	 19.3466 	ocean 	OAFLUX	14.24	1.35
tp 	 37.7421 	global 	CMAP	38.87	0.97
ewss 	  8.5073 	ocean 	DASILVA	4.03	2.11
nsss 	  4.9568 	ocean 	DASILVA	3.10	1.59
SST 	 27.0079 	ocean 	GISS	17.21	1.56
SSS 	  0.1275 	ocean 	levitus	0.22	0.57
SICE 	2458.7380 	ocean 	GISS	0.34	7231.58
T 	 19.9623 	zonal 	ERA40	38.89	0.51
U 	  3.0795 	zonal 	ERA40	12.07	0.25
V 	  2.5297 	zonal 	ERA40	8.25	0.30
Q 	 21.9511 	zonal 	ERA40	29.41	0.74

Total Performance Index is : 557.1215
Partial PI (atm only) is   : 0.5457