Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1987 1987

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.5047 	land 	CRU	25.13	0.93
msl 	  3.1057 	global 	COADS	11.69	0.26
qnet 	 19.3141 	ocean 	OAFLUX	14.24	1.35
tp 	 39.5707 	global 	CMAP	38.87	1.01
ewss 	  9.4192 	ocean 	DASILVA	4.03	2.33
nsss 	  6.7822 	ocean 	DASILVA	3.10	2.18
SST 	 36.1545 	ocean 	GISS	17.21	2.10
SSS 	  0.1545 	ocean 	levitus	0.22	0.70
SICE 	2329.6306 	ocean 	GISS	0.34	6851.85
T 	 24.6129 	zonal 	ERA40	38.89	0.63
U 	  4.1702 	zonal 	ERA40	12.07	0.34
V 	  2.8911 	zonal 	ERA40	8.25	0.35
Q 	 33.4358 	zonal 	ERA40	29.41	1.13

Total Performance Index is : 528.0892
Partial PI (atm only) is   : 0.6642

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1987 1987

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.7526 	land 	CRU	25.13	0.90
msl 	  3.1057 	global 	COADS	11.69	0.26
qnet 	 18.0857 	ocean 	OAFLUX	14.24	1.27
tp 	 39.5707 	global 	CMAP	38.87	1.01
ewss 	  9.8267 	ocean 	DASILVA	4.03	2.43
nsss 	  6.3829 	ocean 	DASILVA	3.10	2.05
SST 	 36.1545 	ocean 	GISS	17.21	2.10
SSS 	  0.1545 	ocean 	levitus	0.22	0.70
SICE 	2329.6306 	ocean 	GISS	0.34	6851.85
T 	 23.7397 	zonal 	ERA40	38.89	0.61
U 	  3.9360 	zonal 	ERA40	12.07	0.32
V 	  2.7635 	zonal 	ERA40	8.25	0.33
Q 	 27.2167 	zonal 	ERA40	29.41	0.92

Total Performance Index is : 528.0576
Partial PI (atm only) is   : 0.6214