Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v585 2040 2040

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.8270 	land 	CRU	25.13	0.90
msl 	  1.8661 	global 	COADS	11.69	0.15
qnet 	 20.2173 	ocean 	OAFLUX	14.24	1.41
tp 	 48.5317 	global 	CMAP	38.87	1.24
ewss 	  8.4054 	ocean 	DASILVA	4.03	2.08
nsss 	  5.5807 	ocean 	DASILVA	3.10	1.80
SST 	 65.7219 	ocean 	GISS	17.21	3.81
SSS 	  0.1656 	ocean 	levitus	0.22	0.75
SICE 	1292.5261 	ocean 	GISS	0.34	3801.54
T 	 50.2539 	zonal 	ERA40	38.89	1.29
U 	  3.2939 	zonal 	ERA40	12.07	0.27
V 	  2.4947 	zonal 	ERA40	8.25	0.30
Q 	 35.2074 	zonal 	ERA40	29.41	1.19

Total Performance Index is : 293.5946
Partial PI (atm only) is   : 0.7628

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v585 2040 2040

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.3828 	land 	CRU	25.13	0.61
msl 	  1.8661 	global 	COADS	11.69	0.15
qnet 	 19.0331 	ocean 	OAFLUX	14.24	1.33
tp 	 48.5317 	global 	CMAP	38.87	1.24
ewss 	  8.4372 	ocean 	DASILVA	4.03	2.09
nsss 	  5.2132 	ocean 	DASILVA	3.10	1.68
SST 	 65.7219 	ocean 	GISS	17.21	3.81
SSS 	  0.1656 	ocean 	levitus	0.22	0.75
SICE 	1292.5261 	ocean 	GISS	0.34	3801.54
T 	 50.1304 	zonal 	ERA40	38.89	1.28
U 	  3.1628 	zonal 	ERA40	12.07	0.26
V 	  2.3985 	zonal 	ERA40	8.25	0.29
Q 	 31.2458 	zonal 	ERA40	29.41	1.06

Total Performance Index is : 293.5453
Partial PI (atm only) is   : 0.6985