Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1884 1884

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	154.1116 	land 	CRU	25.13	6.13
msl 	  2.4919 	global 	COADS	11.69	0.21
qnet 	 19.3301 	ocean 	OAFLUX	14.24	1.35
tp 	 62.7051 	global 	CMAP	38.87	1.61
ewss 	  9.2244 	ocean 	DASILVA	4.03	2.28
nsss 	  7.1706 	ocean 	DASILVA	3.10	2.31
SST 	229.0448 	ocean 	GISS	17.21	13.30
SSS 	  0.2581 	ocean 	levitus	0.22	1.17
SICE 	303.5659 	ocean 	GISS	0.34	892.84
T 	295.1199 	zonal 	ERA40	38.89	7.58
U 	  4.6868 	zonal 	ERA40	12.07	0.38
V 	  3.0160 	zonal 	ERA40	8.25	0.36
Q 	233.3394 	zonal 	ERA40	29.41	7.93

Total Performance Index is : 72.1115
Partial PI (atm only) is   : 3.4571

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1884 1884

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	117.2115 	land 	CRU	25.13	4.66
msl 	  2.4919 	global 	COADS	11.69	0.21
qnet 	 18.1697 	ocean 	OAFLUX	14.24	1.27
tp 	 62.7051 	global 	CMAP	38.87	1.61
ewss 	 10.1058 	ocean 	DASILVA	4.03	2.50
nsss 	  5.8856 	ocean 	DASILVA	3.10	1.89
SST 	229.0448 	ocean 	GISS	17.21	13.30
SSS 	  0.2581 	ocean 	levitus	0.22	1.17
SICE 	303.5659 	ocean 	GISS	0.34	892.84
T 	294.1756 	zonal 	ERA40	38.89	7.56
U 	  4.2464 	zonal 	ERA40	12.07	0.35
V 	  2.9232 	zonal 	ERA40	8.25	0.35
Q 	230.3723 	zonal 	ERA40	29.41	7.83

Total Performance Index is : 71.9646
Partial PI (atm only) is   : 3.2242