Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vaaa 2009 2009

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.3534 	land 	CRU	25.13	0.61
msl 	  2.0015 	global 	COADS	11.69	0.17
qnet 	 19.0052 	ocean 	OAFLUX	14.24	1.33
tp 	 23.7584 	global 	CMAP	38.87	0.61
ewss 	 10.6124 	ocean 	DASILVA	4.03	2.63
nsss 	  4.9656 	ocean 	DASILVA	3.10	1.60
T 	  5.9080 	zonal 	ERA40	38.89	0.15
U 	  4.2326 	zonal 	ERA40	12.07	0.35
V 	  2.2281 	zonal 	ERA40	8.25	0.27
Q 	 14.8302 	zonal 	ERA40	29.41	0.50

Total Performance Index is : 3.4015
Partial PI (atm only) is   : 5.4128

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vaaa 2009 2009

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.2192 	land 	CRU	25.13	0.52
msl 	  2.0015 	global 	COADS	11.69	0.17
qnet 	 17.7680 	ocean 	OAFLUX	14.24	1.24
tp 	 23.7584 	global 	CMAP	38.87	0.61
ewss 	 12.1855 	ocean 	DASILVA	4.03	3.02
nsss 	  5.0650 	ocean 	DASILVA	3.10	1.63
SST 	  5.0650 	ocean 	GISS	17.21	0
SSS 	  5.0650 	ocean 	levitus	0.22	0
SICE 	  5.0650 	ocean 	GISS	0.34	0
T 	  5.3880 	zonal 	ERA40	38.89	0.13
U 	  4.0347 	zonal 	ERA40	12.07	0.33
V 	  2.1140 	zonal 	ERA40	8.25	0.25
Q 	  8.7694 	zonal 	ERA40	29.41	0.29

Total Performance Index is : 0.6300
Partial PI (atm only) is   : 0.3285