Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1996 1996

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	264.7692 	land 	CRU	25.13	10.53
msl 	  3.3997 	global 	COADS	11.69	0.29
qnet 	 21.4286 	ocean 	OAFLUX	14.24	1.50
tp 	 72.1726 	global 	CMAP	38.87	1.85
ewss 	  8.0968 	ocean 	DASILVA	4.03	2.00
nsss 	  6.5948 	ocean 	DASILVA	3.10	2.12
SST 	401.0353 	ocean 	GISS	17.21	23.30
SSS 	  0.3521 	ocean 	levitus	0.22	1.60
SICE 	 33.1888 	ocean 	GISS	0.34	97.61
T 	495.4660 	zonal 	ERA40	38.89	12.74
U 	  7.7522 	zonal 	ERA40	12.07	0.64
V 	  4.3305 	zonal 	ERA40	8.25	0.52
Q 	509.7087 	zonal 	ERA40	29.41	17.33

Total Performance Index is : 13.2330
Partial PI (atm only) is   : 6.2714

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1996 1996

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	203.3522 	land 	CRU	25.13	8.09
msl 	  3.3997 	global 	COADS	11.69	0.29
qnet 	 20.3328 	ocean 	OAFLUX	14.24	1.42
tp 	 72.1726 	global 	CMAP	38.87	1.85
ewss 	  8.7317 	ocean 	DASILVA	4.03	2.16
nsss 	  5.5018 	ocean 	DASILVA	3.10	1.77
SST 	401.0353 	ocean 	GISS	17.21	23.30
SSS 	  0.3521 	ocean 	levitus	0.22	1.60
SICE 	 33.1888 	ocean 	GISS	0.34	97.61
T 	494.3087 	zonal 	ERA40	38.89	12.71
U 	  6.4988 	zonal 	ERA40	12.07	0.53
V 	  4.2441 	zonal 	ERA40	8.25	0.51
Q 	507.9919 	zonal 	ERA40	29.41	17.27

Total Performance Index is : 13.0084
Partial PI (atm only) is   : 5.8928