Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 2012 2012

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.5958 	land 	CRU	25.13	0.62
msl 	  1.9298 	global 	COADS	11.69	0.16
qnet 	 20.2085 	ocean 	OAFLUX	14.24	1.41
tp 	 46.1403 	global 	CMAP	38.87	1.18
ewss 	  8.4529 	ocean 	DASILVA	4.03	2.09
nsss 	  6.0057 	ocean 	DASILVA	3.10	1.93
SST 	 38.8591 	ocean 	GISS	17.21	2.25
SSS 	  0.1400 	ocean 	levitus	0.22	0.63
SICE 	1831.4608 	ocean 	GISS	0.34	5386.64
T 	 23.0759 	zonal 	ERA40	38.89	0.59
U 	  3.9292 	zonal 	ERA40	12.07	0.32
V 	  2.9453 	zonal 	ERA40	8.25	0.35
Q 	 24.0681 	zonal 	ERA40	29.41	0.81

Total Performance Index is : 415.3061
Partial PI (atm only) is   : 0.5757

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 2012 2012

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.8205 	land 	CRU	25.13	0.51
msl 	  1.9298 	global 	COADS	11.69	0.16
qnet 	 18.9879 	ocean 	OAFLUX	14.24	1.33
tp 	 46.1403 	global 	CMAP	38.87	1.18
ewss 	 10.1844 	ocean 	DASILVA	4.03	2.52
nsss 	  5.4968 	ocean 	DASILVA	3.10	1.77
SST 	 38.8591 	ocean 	GISS	17.21	2.25
SSS 	  0.1400 	ocean 	levitus	0.22	0.63
SICE 	1831.4608 	ocean 	GISS	0.34	5386.64
T 	 22.5377 	zonal 	ERA40	38.89	0.57
U 	  3.7684 	zonal 	ERA40	12.07	0.31
V 	  2.8128 	zonal 	ERA40	8.25	0.34
Q 	 18.5620 	zonal 	ERA40	29.41	0.63

Total Performance Index is : 415.2953
Partial PI (atm only) is   : 0.5285