Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1883 1883

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	152.1406 	land 	CRU	25.13	6.05
msl 	  3.7296 	global 	COADS	11.69	0.31
qnet 	 21.4179 	ocean 	OAFLUX	14.24	1.50
tp 	 75.8080 	global 	CMAP	38.87	1.95
ewss 	 10.2188 	ocean 	DASILVA	4.03	2.53
nsss 	  6.8525 	ocean 	DASILVA	3.10	2.21
SST 	236.8060 	ocean 	GISS	17.21	13.75
SSS 	  0.2507 	ocean 	levitus	0.22	1.13
SICE 	263.4864 	ocean 	GISS	0.34	774.96
T 	311.4176 	zonal 	ERA40	38.89	8.00
U 	  7.5588 	zonal 	ERA40	12.07	0.62
V 	  3.6548 	zonal 	ERA40	8.25	0.44
Q 	253.3470 	zonal 	ERA40	29.41	8.61

Total Performance Index is : 63.2353
Partial PI (atm only) is   : 3.7114

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1883 1883

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	116.5901 	land 	CRU	25.13	4.63
msl 	  3.7296 	global 	COADS	11.69	0.31
qnet 	 20.3411 	ocean 	OAFLUX	14.24	1.42
tp 	 75.8080 	global 	CMAP	38.87	1.95
ewss 	 11.1286 	ocean 	DASILVA	4.03	2.76
nsss 	  5.9792 	ocean 	DASILVA	3.10	1.92
SST 	236.8060 	ocean 	GISS	17.21	13.75
SSS 	  0.2507 	ocean 	levitus	0.22	1.13
SICE 	263.4864 	ocean 	GISS	0.34	774.96
T 	310.3038 	zonal 	ERA40	38.89	7.97
U 	  7.0630 	zonal 	ERA40	12.07	0.58
V 	  3.5445 	zonal 	ERA40	8.25	0.42
Q 	250.7133 	zonal 	ERA40	29.41	8.52

Total Performance Index is : 63.1015
Partial PI (atm only) is   : 3.4828