Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1916 1916

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	195.4674 	land 	CRU	25.13	7.77
msl 	  2.9578 	global 	COADS	11.69	0.25
qnet 	 21.0934 	ocean 	OAFLUX	14.24	1.48
tp 	 69.6730 	global 	CMAP	38.87	1.79
ewss 	  9.0488 	ocean 	DASILVA	4.03	2.24
nsss 	  7.1693 	ocean 	DASILVA	3.10	2.31
SST 	311.1953 	ocean 	GISS	17.21	18.08
SSS 	  0.3107 	ocean 	levitus	0.22	1.41
SICE 	 72.1866 	ocean 	GISS	0.34	212.31
T 	389.1680 	zonal 	ERA40	38.89	10.00
U 	  7.3445 	zonal 	ERA40	12.07	0.60
V 	  4.0846 	zonal 	ERA40	8.25	0.49
Q 	368.9975 	zonal 	ERA40	29.41	12.54

Total Performance Index is : 20.8669
Partial PI (atm only) is   : 4.7771

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1916 1916

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	150.9208 	land 	CRU	25.13	6.00
msl 	  2.9578 	global 	COADS	11.69	0.25
qnet 	 19.9816 	ocean 	OAFLUX	14.24	1.40
tp 	 69.6730 	global 	CMAP	38.87	1.79
ewss 	 11.0744 	ocean 	DASILVA	4.03	2.74
nsss 	  5.8378 	ocean 	DASILVA	3.10	1.88
SST 	311.1953 	ocean 	GISS	17.21	18.08
SSS 	  0.3107 	ocean 	levitus	0.22	1.41
SICE 	 72.1866 	ocean 	GISS	0.34	212.31
T 	388.1361 	zonal 	ERA40	38.89	9.98
U 	  6.4214 	zonal 	ERA40	12.07	0.53
V 	  3.9672 	zonal 	ERA40	8.25	0.48
Q 	366.8361 	zonal 	ERA40	29.41	12.47

Total Performance Index is : 20.7169
Partial PI (atm only) is   : 4.5000