Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1917 1917

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	223.8344 	land 	CRU	25.13	8.90
msl 	  2.9387 	global 	COADS	11.69	0.25
qnet 	 20.9990 	ocean 	OAFLUX	14.24	1.47
tp 	 64.8684 	global 	CMAP	38.87	1.66
ewss 	  9.0714 	ocean 	DASILVA	4.03	2.25
nsss 	  7.8616 	ocean 	DASILVA	3.10	2.53
SST 	313.6134 	ocean 	GISS	17.21	18.22
SSS 	  0.3112 	ocean 	levitus	0.22	1.41
SICE 	 58.0664 	ocean 	GISS	0.34	170.78
T 	420.1834 	zonal 	ERA40	38.89	10.80
U 	  6.0364 	zonal 	ERA40	12.07	0.50
V 	  3.1805 	zonal 	ERA40	8.25	0.38
Q 	398.8961 	zonal 	ERA40	29.41	13.56

Total Performance Index is : 17.9007
Partial PI (atm only) is   : 5.1500

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1917 1917

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	178.0637 	land 	CRU	25.13	7.08
msl 	  2.9387 	global 	COADS	11.69	0.25
qnet 	 19.9124 	ocean 	OAFLUX	14.24	1.39
tp 	 64.8684 	global 	CMAP	38.87	1.66
ewss 	 10.8083 	ocean 	DASILVA	4.03	2.68
nsss 	  6.6564 	ocean 	DASILVA	3.10	2.14
SST 	313.6134 	ocean 	GISS	17.21	18.22
SSS 	  0.3112 	ocean 	levitus	0.22	1.41
SICE 	 58.0664 	ocean 	GISS	0.34	170.78
T 	419.1569 	zonal 	ERA40	38.89	10.77
U 	  5.1779 	zonal 	ERA40	12.07	0.42
V 	  3.0776 	zonal 	ERA40	8.25	0.37
Q 	396.6265 	zonal 	ERA40	29.41	13.48

Total Performance Index is : 17.7423
Partial PI (atm only) is   : 4.8614