Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c119 2038 2038

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.4222 	land 	CRU	25.13	0.77
msl 	  2.4335 	global 	COADS	11.69	0.20
qnet 	 19.2860 	ocean 	OAFLUX	14.24	1.35
tp 	 41.1616 	global 	CMAP	38.87	1.05
ewss 	  8.4678 	ocean 	DASILVA	4.03	2.10
nsss 	  5.8857 	ocean 	DASILVA	3.10	1.89
SST 	 56.9766 	ocean 	GISS	17.21	3.31
SSS 	  0.1797 	ocean 	levitus	0.22	0.81
SICE 	1529.5512 	ocean 	GISS	0.34	4498.68
T 	 43.2481 	zonal 	ERA40	38.89	1.11
U 	  3.5237 	zonal 	ERA40	12.07	0.29
V 	  2.4836 	zonal 	ERA40	8.25	0.30
Q 	 33.6022 	zonal 	ERA40	29.41	1.14

Total Performance Index is : 347.1538
Partial PI (atm only) is   : 0.6942

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c119 2038 2038

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.1239 	land 	CRU	25.13	0.56
msl 	  2.4335 	global 	COADS	11.69	0.20
qnet 	 18.0913 	ocean 	OAFLUX	14.24	1.27
tp 	 41.1616 	global 	CMAP	38.87	1.05
ewss 	  9.6286 	ocean 	DASILVA	4.03	2.38
nsss 	  6.0141 	ocean 	DASILVA	3.10	1.94
SST 	 56.9766 	ocean 	GISS	17.21	3.31
SSS 	  0.1797 	ocean 	levitus	0.22	0.81
SICE 	1529.5512 	ocean 	GISS	0.34	4498.68
T 	 42.9062 	zonal 	ERA40	38.89	1.10
U 	  3.3414 	zonal 	ERA40	12.07	0.27
V 	  2.3881 	zonal 	ERA40	8.25	0.28
Q 	 28.3346 	zonal 	ERA40	29.41	0.96

Total Performance Index is : 347.1392
Partial PI (atm only) is   : 0.6314