Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1891 1891

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 30.4830 	land 	CRU	25.13	1.21
msl 	  2.8014 	global 	COADS	11.69	0.23
qnet 	 21.1503 	ocean 	OAFLUX	14.24	1.48
tp 	 32.5003 	global 	CMAP	38.87	0.83
ewss 	  8.2034 	ocean 	DASILVA	4.03	2.03
nsss 	  6.5914 	ocean 	DASILVA	3.10	2.12
SST 	 34.4527 	ocean 	GISS	17.21	2.00
SSS 	  0.1779 	ocean 	levitus	0.22	0.80
SICE 	2795.2307 	ocean 	GISS	0.34	8221.26
T 	 28.6955 	zonal 	ERA40	38.89	0.73
U 	  3.6724 	zonal 	ERA40	12.07	0.30
V 	  3.0600 	zonal 	ERA40	8.25	0.37
Q 	 39.0036 	zonal 	ERA40	29.41	1.32

Total Performance Index is : 633.4369
Partial PI (atm only) is   : 0.7128

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1891 1891

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 30.2240 	land 	CRU	25.13	1.20
msl 	  2.8014 	global 	COADS	11.69	0.23
qnet 	 20.0032 	ocean 	OAFLUX	14.24	1.40
tp 	 32.5003 	global 	CMAP	38.87	0.83
ewss 	  7.8973 	ocean 	DASILVA	4.03	1.95
nsss 	  5.7852 	ocean 	DASILVA	3.10	1.86
SST 	 34.4527 	ocean 	GISS	17.21	2.00
SSS 	  0.1779 	ocean 	levitus	0.22	0.80
SICE 	2795.2307 	ocean 	GISS	0.34	8221.26
T 	 26.5312 	zonal 	ERA40	38.89	0.68
U 	  3.3796 	zonal 	ERA40	12.07	0.28
V 	  2.9206 	zonal 	ERA40	8.25	0.35
Q 	 31.5659 	zonal 	ERA40	29.41	1.07

Total Performance Index is : 633.3776
Partial PI (atm only) is   : 0.6628