Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1910 1910

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	206.8305 	land 	CRU	25.13	8.23
msl 	  2.2925 	global 	COADS	11.69	0.19
qnet 	 19.9975 	ocean 	OAFLUX	14.24	1.40
tp 	 59.2610 	global 	CMAP	38.87	1.52
ewss 	  8.0597 	ocean 	DASILVA	4.03	1.99
nsss 	  6.8085 	ocean 	DASILVA	3.10	2.19
SST 	314.7210 	ocean 	GISS	17.21	18.28
SSS 	  0.3013 	ocean 	levitus	0.22	1.36
SICE 	 81.3938 	ocean 	GISS	0.34	239.39
T 	390.3639 	zonal 	ERA40	38.89	10.03
U 	  6.6267 	zonal 	ERA40	12.07	0.54
V 	  3.8821 	zonal 	ERA40	8.25	0.47
Q 	344.0004 	zonal 	ERA40	29.41	11.69

Total Performance Index is : 22.8676
Partial PI (atm only) is   : 4.6671

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1910 1910

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	153.5242 	land 	CRU	25.13	6.10
msl 	  2.2925 	global 	COADS	11.69	0.19
qnet 	 18.8245 	ocean 	OAFLUX	14.24	1.32
tp 	 59.2610 	global 	CMAP	38.87	1.52
ewss 	  9.2224 	ocean 	DASILVA	4.03	2.28
nsss 	  5.6935 	ocean 	DASILVA	3.10	1.83
SST 	314.7210 	ocean 	GISS	17.21	18.28
SSS 	  0.3013 	ocean 	levitus	0.22	1.36
SICE 	 81.3938 	ocean 	GISS	0.34	239.39
T 	389.3777 	zonal 	ERA40	38.89	10.01
U 	  5.5364 	zonal 	ERA40	12.07	0.45
V 	  3.7943 	zonal 	ERA40	8.25	0.45
Q 	341.8397 	zonal 	ERA40	29.41	11.62

Total Performance Index is : 22.6769
Partial PI (atm only) is   : 4.3342