Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c119 2027 2027

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.6765 	land 	CRU	25.13	0.70
msl 	  1.7651 	global 	COADS	11.69	0.15
qnet 	 19.9711 	ocean 	OAFLUX	14.24	1.40
tp 	 50.7471 	global 	CMAP	38.87	1.30
ewss 	  8.1572 	ocean 	DASILVA	4.03	2.02
nsss 	  6.2346 	ocean 	DASILVA	3.10	2.01
SST 	 53.7806 	ocean 	GISS	17.21	3.12
SSS 	  0.1886 	ocean 	levitus	0.22	0.85
SICE 	1517.1647 	ocean 	GISS	0.34	4462.24
T 	 35.2289 	zonal 	ERA40	38.89	0.90
U 	  2.9273 	zonal 	ERA40	12.07	0.24
V 	  2.3334 	zonal 	ERA40	8.25	0.28
Q 	 30.9134 	zonal 	ERA40	29.41	1.05

Total Performance Index is : 344.3276
Partial PI (atm only) is   : 0.6600

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c119 2027 2027

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.4035 	land 	CRU	25.13	0.53
msl 	  1.7651 	global 	COADS	11.69	0.15
qnet 	 18.7866 	ocean 	OAFLUX	14.24	1.31
tp 	 50.7471 	global 	CMAP	38.87	1.30
ewss 	  9.7395 	ocean 	DASILVA	4.03	2.41
nsss 	  5.3631 	ocean 	DASILVA	3.10	1.73
SST 	 53.7806 	ocean 	GISS	17.21	3.12
SSS 	  0.1886 	ocean 	levitus	0.22	0.85
SICE 	1517.1647 	ocean 	GISS	0.34	4462.24
T 	 34.9448 	zonal 	ERA40	38.89	0.89
U 	  2.7856 	zonal 	ERA40	12.07	0.23
V 	  2.2135 	zonal 	ERA40	8.25	0.26
Q 	 25.9047 	zonal 	ERA40	29.41	0.88

Total Performance Index is : 344.3000
Partial PI (atm only) is   : 0.6057