Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 2005 2005

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	298.9544 	land 	CRU	25.13	11.89
msl 	  5.2164 	global 	COADS	11.69	0.44
qnet 	 22.1766 	ocean 	OAFLUX	14.24	1.55
tp 	 69.3593 	global 	CMAP	38.87	1.78
ewss 	  9.0819 	ocean 	DASILVA	4.03	2.25
nsss 	  6.8241 	ocean 	DASILVA	3.10	2.20
SST 	436.2030 	ocean 	GISS	17.21	25.34
SSS 	  0.3795 	ocean 	levitus	0.22	1.72
SICE 	 25.1317 	ocean 	GISS	0.34	73.91
T 	566.5520 	zonal 	ERA40	38.89	14.56
U 	  8.5545 	zonal 	ERA40	12.07	0.70
V 	  4.9070 	zonal 	ERA40	8.25	0.59
Q 	618.0435 	zonal 	ERA40	29.41	21.01

Total Performance Index is : 12.1492
Partial PI (atm only) is   : 7.2814

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 2005 2005

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	216.0753 	land 	CRU	25.13	8.59
msl 	  5.2164 	global 	COADS	11.69	0.44
qnet 	 21.1156 	ocean 	OAFLUX	14.24	1.48
tp 	 69.3593 	global 	CMAP	38.87	1.78
ewss 	 10.1792 	ocean 	DASILVA	4.03	2.52
nsss 	  6.2052 	ocean 	DASILVA	3.10	2.00
SST 	436.2030 	ocean 	GISS	17.21	25.34
SSS 	  0.3795 	ocean 	levitus	0.22	1.72
SICE 	 25.1317 	ocean 	GISS	0.34	73.91
T 	565.2626 	zonal 	ERA40	38.89	14.53
U 	  7.0089 	zonal 	ERA40	12.07	0.58
V 	  4.8154 	zonal 	ERA40	8.25	0.58
Q 	616.1463 	zonal 	ERA40	29.41	20.95

Total Performance Index is : 11.8784
Partial PI (atm only) is   : 6.7785