Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1857 1857

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 78.5412 	land 	CRU	25.13	3.12
msl 	  1.9748 	global 	COADS	11.69	0.16
qnet 	 18.3819 	ocean 	OAFLUX	14.24	1.29
tp 	 47.5061 	global 	CMAP	38.87	1.22
ewss 	  9.7339 	ocean 	DASILVA	4.03	2.41
nsss 	  6.6579 	ocean 	DASILVA	3.10	2.14
SST 	127.0182 	ocean 	GISS	17.21	7.38
SSS 	  0.2364 	ocean 	levitus	0.22	1.07
SICE 	766.8506 	ocean 	GISS	0.34	2255.44
T 	159.6928 	zonal 	ERA40	38.89	4.10
U 	  3.6711 	zonal 	ERA40	12.07	0.30
V 	  3.1566 	zonal 	ERA40	8.25	0.38
Q 	102.7647 	zonal 	ERA40	29.41	3.49

Total Performance Index is : 175.5769
Partial PI (atm only) is   : 1.8242

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1857 1857

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 61.3549 	land 	CRU	25.13	2.44
msl 	  1.9748 	global 	COADS	11.69	0.16
qnet 	 17.2102 	ocean 	OAFLUX	14.24	1.20
tp 	 47.5061 	global 	CMAP	38.87	1.22
ewss 	 10.5036 	ocean 	DASILVA	4.03	2.60
nsss 	  5.5536 	ocean 	DASILVA	3.10	1.79
SST 	127.0182 	ocean 	GISS	17.21	7.38
SSS 	  0.2364 	ocean 	levitus	0.22	1.07
SICE 	766.8506 	ocean 	GISS	0.34	2255.44
T 	158.8331 	zonal 	ERA40	38.89	4.08
U 	  3.4070 	zonal 	ERA40	12.07	0.28
V 	  3.0663 	zonal 	ERA40	8.25	0.37
Q 	 98.5871 	zonal 	ERA40	29.41	3.35

Total Performance Index is : 175.4907
Partial PI (atm only) is   : 1.7000