Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1963 1963

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	255.7113 	land 	CRU	25.13	10.17
msl 	  3.2535 	global 	COADS	11.69	0.27
qnet 	 21.0357 	ocean 	OAFLUX	14.24	1.47
tp 	 65.0262 	global 	CMAP	38.87	1.67
ewss 	  8.5437 	ocean 	DASILVA	4.03	2.12
nsss 	  6.5177 	ocean 	DASILVA	3.10	2.10
SST 	378.7010 	ocean 	GISS	17.21	22.00
SSS 	  0.3426 	ocean 	levitus	0.22	1.55
SICE 	 21.5587 	ocean 	GISS	0.34	63.40
T 	485.7906 	zonal 	ERA40	38.89	12.49
U 	  6.8494 	zonal 	ERA40	12.07	0.56
V 	  3.6829 	zonal 	ERA40	8.25	0.44
Q 	492.5810 	zonal 	ERA40	29.41	16.74

Total Performance Index is : 10.3830
Partial PI (atm only) is   : 6.0485

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1963 1963

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	189.0194 	land 	CRU	25.13	7.52
msl 	  3.2535 	global 	COADS	11.69	0.27
qnet 	 19.9296 	ocean 	OAFLUX	14.24	1.39
tp 	 65.0262 	global 	CMAP	38.87	1.67
ewss 	  8.5396 	ocean 	DASILVA	4.03	2.11
nsss 	  5.5652 	ocean 	DASILVA	3.10	1.79
SST 	378.7010 	ocean 	GISS	17.21	22.00
SSS 	  0.3426 	ocean 	levitus	0.22	1.55
SICE 	 21.5587 	ocean 	GISS	0.34	63.40
T 	484.6582 	zonal 	ERA40	38.89	12.46
U 	  5.7557 	zonal 	ERA40	12.07	0.47
V 	  3.6003 	zonal 	ERA40	8.25	0.43
Q 	490.7837 	zonal 	ERA40	29.41	16.68

Total Performance Index is : 10.1338
Partial PI (atm only) is   : 5.6428