Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1923 1923

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.6895 	land 	CRU	25.13	0.94
msl 	  2.2205 	global 	COADS	11.69	0.18
qnet 	 20.2718 	ocean 	OAFLUX	14.24	1.42
tp 	 31.3331 	global 	CMAP	38.87	0.80
ewss 	  6.5116 	ocean 	DASILVA	4.03	1.61
nsss 	  5.2299 	ocean 	DASILVA	3.10	1.68
SST 	 28.0913 	ocean 	GISS	17.21	1.63
SSS 	  0.1491 	ocean 	levitus	0.22	0.67
SICE 	2452.9901 	ocean 	GISS	0.34	7214.67
T 	 21.9137 	zonal 	ERA40	38.89	0.56
U 	  3.5967 	zonal 	ERA40	12.07	0.29
V 	  2.3964 	zonal 	ERA40	8.25	0.29
Q 	 29.9736 	zonal 	ERA40	29.41	1.01

Total Performance Index is : 555.8269
Partial PI (atm only) is   : 0.5814

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1923 1923

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.6392 	land 	CRU	25.13	0.90
msl 	  2.2205 	global 	COADS	11.69	0.18
qnet 	 19.0645 	ocean 	OAFLUX	14.24	1.33
tp 	 31.3331 	global 	CMAP	38.87	0.80
ewss 	  6.9106 	ocean 	DASILVA	4.03	1.71
nsss 	  4.3312 	ocean 	DASILVA	3.10	1.39
SST 	 28.0913 	ocean 	GISS	17.21	1.63
SSS 	  0.1491 	ocean 	levitus	0.22	0.67
SICE 	2452.9901 	ocean 	GISS	0.34	7214.67
T 	 20.1067 	zonal 	ERA40	38.89	0.51
U 	  3.3322 	zonal 	ERA40	12.07	0.27
V 	  2.2624 	zonal 	ERA40	8.25	0.27
Q 	 22.9837 	zonal 	ERA40	29.41	0.78

Total Performance Index is : 555.7776
Partial PI (atm only) is   : 0.5300