Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1874 1874

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.6555 	land 	CRU	25.13	0.94
msl 	  2.4651 	global 	COADS	11.69	0.21
qnet 	 20.5015 	ocean 	OAFLUX	14.24	1.43
tp 	 31.1063 	global 	CMAP	38.87	0.80
ewss 	  8.5244 	ocean 	DASILVA	4.03	2.11
nsss 	  5.8435 	ocean 	DASILVA	3.10	1.88
SST 	 26.1133 	ocean 	GISS	17.21	1.51
SSS 	  0.1479 	ocean 	levitus	0.22	0.67
SICE 	2537.6950 	ocean 	GISS	0.34	7463.80
T 	 22.2131 	zonal 	ERA40	38.89	0.57
U 	  3.3745 	zonal 	ERA40	12.07	0.27
V 	  1.9738 	zonal 	ERA40	8.25	0.23
Q 	 29.2548 	zonal 	ERA40	29.41	0.99

Total Performance Index is : 575.0315
Partial PI (atm only) is   : 0.5728

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1874 1874

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 21.5304 	land 	CRU	25.13	0.85
msl 	  2.4651 	global 	COADS	11.69	0.21
qnet 	 19.3634 	ocean 	OAFLUX	14.24	1.35
tp 	 31.1063 	global 	CMAP	38.87	0.80
ewss 	  8.6172 	ocean 	DASILVA	4.03	2.13
nsss 	  5.4364 	ocean 	DASILVA	3.10	1.75
SST 	 26.1133 	ocean 	GISS	17.21	1.51
SSS 	  0.1479 	ocean 	levitus	0.22	0.67
SICE 	2537.6950 	ocean 	GISS	0.34	7463.80
T 	 20.0577 	zonal 	ERA40	38.89	0.51
U 	  3.0983 	zonal 	ERA40	12.07	0.25
V 	  1.8575 	zonal 	ERA40	8.25	0.22
Q 	 21.8932 	zonal 	ERA40	29.41	0.74

Total Performance Index is : 574.9838
Partial PI (atm only) is   : 0.5114