Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1889 1889

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 27.5913 	land 	CRU	25.13	1.09
msl 	  2.2413 	global 	COADS	11.69	0.19
qnet 	 20.2285 	ocean 	OAFLUX	14.24	1.42
tp 	 33.5008 	global 	CMAP	38.87	0.86
ewss 	  8.0733 	ocean 	DASILVA	4.03	2.00
nsss 	  6.1488 	ocean 	DASILVA	3.10	1.98
SST 	 30.6385 	ocean 	GISS	17.21	1.78
SSS 	  0.1242 	ocean 	levitus	0.22	0.56
SICE 	2431.7489 	ocean 	GISS	0.34	7152.20
T 	 25.3285 	zonal 	ERA40	38.89	0.65
U 	  3.1899 	zonal 	ERA40	12.07	0.26
V 	  2.1752 	zonal 	ERA40	8.25	0.26
Q 	 31.1320 	zonal 	ERA40	29.41	1.05

Total Performance Index is : 551.1000
Partial PI (atm only) is   : 0.6228

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1889 1889

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.6107 	land 	CRU	25.13	1.01
msl 	  2.2413 	global 	COADS	11.69	0.19
qnet 	 19.0266 	ocean 	OAFLUX	14.24	1.33
tp 	 33.5008 	global 	CMAP	38.87	0.86
ewss 	  8.5446 	ocean 	DASILVA	4.03	2.12
nsss 	  5.0482 	ocean 	DASILVA	3.10	1.62
SST 	 30.6385 	ocean 	GISS	17.21	1.78
SSS 	  0.1242 	ocean 	levitus	0.22	0.56
SICE 	2431.7489 	ocean 	GISS	0.34	7152.20
T 	 23.1663 	zonal 	ERA40	38.89	0.59
U 	  2.8787 	zonal 	ERA40	12.07	0.23
V 	  2.0278 	zonal 	ERA40	8.25	0.24
Q 	 23.6585 	zonal 	ERA40	29.41	0.80

Total Performance Index is : 551.0407
Partial PI (atm only) is   : 0.5600