Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1973 1973

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 31.9700 	land 	CRU	25.13	1.27
msl 	  3.2197 	global 	COADS	11.69	0.27
qnet 	 21.0639 	ocean 	OAFLUX	14.24	1.47
tp 	 44.4823 	global 	CMAP	38.87	1.14
ewss 	  8.9862 	ocean 	DASILVA	4.03	2.22
nsss 	  6.2917 	ocean 	DASILVA	3.10	2.02
SST 	 34.5810 	ocean 	GISS	17.21	2.00
SSS 	  0.1733 	ocean 	levitus	0.22	0.78
SICE 	2695.8454 	ocean 	GISS	0.34	7928.95
T 	 27.3115 	zonal 	ERA40	38.89	0.70
U 	  5.4359 	zonal 	ERA40	12.07	0.45
V 	  3.1905 	zonal 	ERA40	8.25	0.38
Q 	 37.2175 	zonal 	ERA40	29.41	1.26

Total Performance Index is : 610.9930
Partial PI (atm only) is   : 0.7814

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1973 1973

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 31.6769 	land 	CRU	25.13	1.26
msl 	  3.2197 	global 	COADS	11.69	0.27
qnet 	 19.8765 	ocean 	OAFLUX	14.24	1.39
tp 	 44.4823 	global 	CMAP	38.87	1.14
ewss 	  9.2698 	ocean 	DASILVA	4.03	2.30
nsss 	  5.4235 	ocean 	DASILVA	3.10	1.74
SST 	 34.5810 	ocean 	GISS	17.21	2.00
SSS 	  0.1733 	ocean 	levitus	0.22	0.78
SICE 	2695.8454 	ocean 	GISS	0.34	7928.95
T 	 26.0811 	zonal 	ERA40	38.89	0.67
U 	  5.1920 	zonal 	ERA40	12.07	0.43
V 	  3.0752 	zonal 	ERA40	8.25	0.37
Q 	 30.6432 	zonal 	ERA40	29.41	1.04

Total Performance Index is : 610.9492
Partial PI (atm only) is   : 0.7400