Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1872 1872

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 27.6666 	land 	CRU	25.13	1.10
msl 	  2.8374 	global 	COADS	11.69	0.24
qnet 	 19.9623 	ocean 	OAFLUX	14.24	1.40
tp 	 32.0083 	global 	CMAP	38.87	0.82
ewss 	  7.7346 	ocean 	DASILVA	4.03	1.91
nsss 	  5.4000 	ocean 	DASILVA	3.10	1.74
SST 	 29.9539 	ocean 	GISS	17.21	1.74
SSS 	  0.1508 	ocean 	levitus	0.22	0.68
SICE 	2544.8801 	ocean 	GISS	0.34	7484.94
T 	 25.6213 	zonal 	ERA40	38.89	0.65
U 	  4.0659 	zonal 	ERA40	12.07	0.33
V 	  2.1294 	zonal 	ERA40	8.25	0.25
Q 	 32.7929 	zonal 	ERA40	29.41	1.11

Total Performance Index is : 576.6853
Partial PI (atm only) is   : 0.6428

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1872 1872

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 26.6742 	land 	CRU	25.13	1.06
msl 	  2.8374 	global 	COADS	11.69	0.24
qnet 	 18.7409 	ocean 	OAFLUX	14.24	1.31
tp 	 32.0083 	global 	CMAP	38.87	0.82
ewss 	  7.7302 	ocean 	DASILVA	4.03	1.91
nsss 	  4.8384 	ocean 	DASILVA	3.10	1.56
SST 	 29.9539 	ocean 	GISS	17.21	1.74
SSS 	  0.1508 	ocean 	levitus	0.22	0.68
SICE 	2544.8801 	ocean 	GISS	0.34	7484.94
T 	 23.2428 	zonal 	ERA40	38.89	0.59
U 	  3.7401 	zonal 	ERA40	12.07	0.30
V 	  1.9897 	zonal 	ERA40	8.25	0.24
Q 	 25.3854 	zonal 	ERA40	29.41	0.86

Total Performance Index is : 576.6346
Partial PI (atm only) is   : 0.5871