Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1901 1901

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	234.3091 	land 	CRU	25.13	9.32
msl 	  4.9994 	global 	COADS	11.69	0.42
qnet 	 20.2033 	ocean 	OAFLUX	14.24	1.41
tp 	 56.6369 	global 	CMAP	38.87	1.45
ewss 	 10.1897 	ocean 	DASILVA	4.03	2.52
nsss 	  7.9273 	ocean 	DASILVA	3.10	2.55
SST 	298.1689 	ocean 	GISS	17.21	17.32
SSS 	  0.3011 	ocean 	levitus	0.22	1.36
SICE 	 85.5387 	ocean 	GISS	0.34	251.58
T 	413.5300 	zonal 	ERA40	38.89	10.63
U 	  8.2296 	zonal 	ERA40	12.07	0.68
V 	  3.7405 	zonal 	ERA40	8.25	0.45
Q 	365.0679 	zonal 	ERA40	29.41	12.41

Total Performance Index is : 24.0076
Partial PI (atm only) is   : 5.0514

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1901 1901

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	182.3529 	land 	CRU	25.13	7.25
msl 	  4.9994 	global 	COADS	11.69	0.42
qnet 	 19.1549 	ocean 	OAFLUX	14.24	1.34
tp 	 56.6369 	global 	CMAP	38.87	1.45
ewss 	 11.4112 	ocean 	DASILVA	4.03	2.83
nsss 	  7.1023 	ocean 	DASILVA	3.10	2.29
SST 	298.1689 	ocean 	GISS	17.21	17.32
SSS 	  0.3011 	ocean 	levitus	0.22	1.36
SICE 	 85.5387 	ocean 	GISS	0.34	251.58
T 	412.4512 	zonal 	ERA40	38.89	10.60
U 	  6.8622 	zonal 	ERA40	12.07	0.56
V 	  3.6299 	zonal 	ERA40	8.25	0.43
Q 	362.6588 	zonal 	ERA40	29.41	12.33

Total Performance Index is : 23.8276
Partial PI (atm only) is   : 4.7200