Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1897 1897

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	190.7572 	land 	CRU	25.13	7.59
msl 	  2.8997 	global 	COADS	11.69	0.24
qnet 	 20.4524 	ocean 	OAFLUX	14.24	1.43
tp 	 63.4927 	global 	CMAP	38.87	1.63
ewss 	  9.7189 	ocean 	DASILVA	4.03	2.41
nsss 	  8.2062 	ocean 	DASILVA	3.10	2.64
SST 	264.8000 	ocean 	GISS	17.21	15.38
SSS 	  0.2957 	ocean 	levitus	0.22	1.34
SICE 	134.9855 	ocean 	GISS	0.34	397.01
T 	352.9613 	zonal 	ERA40	38.89	9.07
U 	  5.5452 	zonal 	ERA40	12.07	0.45
V 	  3.1792 	zonal 	ERA40	8.25	0.38
Q 	303.6782 	zonal 	ERA40	29.41	10.32

Total Performance Index is : 34.6069
Partial PI (atm only) is   : 4.2400

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1897 1897

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	145.8957 	land 	CRU	25.13	5.80
msl 	  2.8997 	global 	COADS	11.69	0.24
qnet 	 19.3743 	ocean 	OAFLUX	14.24	1.36
tp 	 63.4927 	global 	CMAP	38.87	1.63
ewss 	 10.4447 	ocean 	DASILVA	4.03	2.59
nsss 	  7.1471 	ocean 	DASILVA	3.10	2.30
SST 	264.8000 	ocean 	GISS	17.21	15.38
SSS 	  0.2957 	ocean 	levitus	0.22	1.34
SICE 	134.9855 	ocean 	GISS	0.34	397.01
T 	351.9265 	zonal 	ERA40	38.89	9.04
U 	  4.7553 	zonal 	ERA40	12.07	0.39
V 	  3.0849 	zonal 	ERA40	8.25	0.37
Q 	301.0132 	zonal 	ERA40	29.41	10.23

Total Performance Index is : 34.4369
Partial PI (atm only) is   : 3.9571