Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1961 1961

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	271.1412 	land 	CRU	25.13	10.78
msl 	  3.5706 	global 	COADS	11.69	0.30
qnet 	 20.8868 	ocean 	OAFLUX	14.24	1.46
tp 	 67.8011 	global 	CMAP	38.87	1.74
ewss 	  9.5117 	ocean 	DASILVA	4.03	2.36
nsss 	  7.6952 	ocean 	DASILVA	3.10	2.48
SST 	376.9060 	ocean 	GISS	17.21	21.90
SSS 	  0.3561 	ocean 	levitus	0.22	1.61
SICE 	 36.2802 	ocean 	GISS	0.34	106.70
T 	497.2581 	zonal 	ERA40	38.89	12.78
U 	  7.4054 	zonal 	ERA40	12.07	0.61
V 	  4.1131 	zonal 	ERA40	8.25	0.49
Q 	504.9871 	zonal 	ERA40	29.41	17.17

Total Performance Index is : 13.8753
Partial PI (atm only) is   : 6.2671

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1961 1961

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	210.4343 	land 	CRU	25.13	8.37
msl 	  3.5706 	global 	COADS	11.69	0.30
qnet 	 19.8173 	ocean 	OAFLUX	14.24	1.39
tp 	 67.8011 	global 	CMAP	38.87	1.74
ewss 	 10.4791 	ocean 	DASILVA	4.03	2.60
nsss 	  6.5145 	ocean 	DASILVA	3.10	2.10
SST 	376.9060 	ocean 	GISS	17.21	21.90
SSS 	  0.3561 	ocean 	levitus	0.22	1.61
SICE 	 36.2802 	ocean 	GISS	0.34	106.70
T 	496.1958 	zonal 	ERA40	38.89	12.75
U 	  6.1698 	zonal 	ERA40	12.07	0.51
V 	  4.0366 	zonal 	ERA40	8.25	0.48
Q 	503.0326 	zonal 	ERA40	29.41	17.10

Total Performance Index is : 13.6576
Partial PI (atm only) is   : 5.8928