Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1861 1861

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 30.4248 	land 	CRU	25.13	1.21
msl 	  1.8114 	global 	COADS	11.69	0.15
qnet 	 21.4947 	ocean 	OAFLUX	14.24	1.50
tp 	 31.2499 	global 	CMAP	38.87	0.80
ewss 	  7.8453 	ocean 	DASILVA	4.03	1.94
nsss 	  5.6494 	ocean 	DASILVA	3.10	1.82
SST 	 27.4950 	ocean 	GISS	17.21	1.59
SSS 	  0.1577 	ocean 	levitus	0.22	0.71
SICE 	2622.3238 	ocean 	GISS	0.34	7712.71
T 	 27.0125 	zonal 	ERA40	38.89	0.69
U 	  3.4856 	zonal 	ERA40	12.07	0.28
V 	  2.5405 	zonal 	ERA40	8.25	0.30
Q 	 33.9311 	zonal 	ERA40	29.41	1.15

Total Performance Index is : 594.2192
Partial PI (atm only) is   : 0.6542

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1861 1861

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 28.3114 	land 	CRU	25.13	1.12
msl 	  1.8114 	global 	COADS	11.69	0.15
qnet 	 20.3537 	ocean 	OAFLUX	14.24	1.42
tp 	 31.2499 	global 	CMAP	38.87	0.80
ewss 	  8.3755 	ocean 	DASILVA	4.03	2.07
nsss 	  4.8498 	ocean 	DASILVA	3.10	1.56
SST 	 27.4950 	ocean 	GISS	17.21	1.59
SSS 	  0.1577 	ocean 	levitus	0.22	0.71
SICE 	2622.3238 	ocean 	GISS	0.34	7712.71
T 	 24.4695 	zonal 	ERA40	38.89	0.62
U 	  3.0952 	zonal 	ERA40	12.07	0.25
V 	  2.3966 	zonal 	ERA40	8.25	0.29
Q 	 26.5280 	zonal 	ERA40	29.41	0.90

Total Performance Index is : 594.1684
Partial PI (atm only) is   : 0.5900