Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1955 1955

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.3945 	land 	CRU	25.13	0.93
msl 	  2.2160 	global 	COADS	11.69	0.18
qnet 	 20.2325 	ocean 	OAFLUX	14.24	1.42
tp 	 30.4056 	global 	CMAP	38.87	0.78
ewss 	  9.0607 	ocean 	DASILVA	4.03	2.24
nsss 	  6.6098 	ocean 	DASILVA	3.10	2.13
SST 	 30.2447 	ocean 	GISS	17.21	1.75
SSS 	  0.1540 	ocean 	levitus	0.22	0.70
SICE 	2716.6290 	ocean 	GISS	0.34	7990.08
T 	 23.0183 	zonal 	ERA40	38.89	0.59
U 	  3.3113 	zonal 	ERA40	12.07	0.27
V 	  2.1284 	zonal 	ERA40	8.25	0.25
Q 	 31.5825 	zonal 	ERA40	29.41	1.07

Total Performance Index is : 615.5684
Partial PI (atm only) is   : 0.5814

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1955 1955

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.1230 	land 	CRU	25.13	0.88
msl 	  2.2160 	global 	COADS	11.69	0.18
qnet 	 19.0184 	ocean 	OAFLUX	14.24	1.33
tp 	 30.4056 	global 	CMAP	38.87	0.78
ewss 	  9.6367 	ocean 	DASILVA	4.03	2.39
nsss 	  5.6608 	ocean 	DASILVA	3.10	1.82
SST 	 30.2447 	ocean 	GISS	17.21	1.75
SSS 	  0.1540 	ocean 	levitus	0.22	0.70
SICE 	2716.6290 	ocean 	GISS	0.34	7990.08
T 	 21.3681 	zonal 	ERA40	38.89	0.54
U 	  3.1147 	zonal 	ERA40	12.07	0.25
V 	  2.0207 	zonal 	ERA40	8.25	0.24
Q 	 24.8150 	zonal 	ERA40	29.41	0.84

Total Performance Index is : 615.5215
Partial PI (atm only) is   : 0.5300