Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1902 1902

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 32.1948 	land 	CRU	25.13	1.28
msl 	  2.1848 	global 	COADS	11.69	0.18
qnet 	 21.9092 	ocean 	OAFLUX	14.24	1.53
tp 	 33.1163 	global 	CMAP	38.87	0.85
ewss 	  9.2172 	ocean 	DASILVA	4.03	2.28
nsss 	  6.7002 	ocean 	DASILVA	3.10	2.16
SST 	 26.9362 	ocean 	GISS	17.21	1.56
SSS 	  0.1816 	ocean 	levitus	0.22	0.82
SICE 	2746.0009 	ocean 	GISS	0.34	8076.47
T 	 26.7248 	zonal 	ERA40	38.89	0.68
U 	  4.2256 	zonal 	ERA40	12.07	0.35
V 	  2.2605 	zonal 	ERA40	8.25	0.27
Q 	 35.3476 	zonal 	ERA40	29.41	1.20

Total Performance Index is : 622.2792
Partial PI (atm only) is   : 0.6871

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1902 1902

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 29.7091 	land 	CRU	25.13	1.18
msl 	  2.1848 	global 	COADS	11.69	0.18
qnet 	 20.7766 	ocean 	OAFLUX	14.24	1.45
tp 	 33.1163 	global 	CMAP	38.87	0.85
ewss 	 10.4467 	ocean 	DASILVA	4.03	2.59
nsss 	  6.2216 	ocean 	DASILVA	3.10	2.00
SST 	 26.9362 	ocean 	GISS	17.21	1.56
SSS 	  0.1816 	ocean 	levitus	0.22	0.82
SICE 	2746.0009 	ocean 	GISS	0.34	8076.47
T 	 24.5815 	zonal 	ERA40	38.89	0.63
U 	  3.9285 	zonal 	ERA40	12.07	0.32
V 	  2.1446 	zonal 	ERA40	8.25	0.25
Q 	 27.8437 	zonal 	ERA40	29.41	0.94

Total Performance Index is : 622.2492
Partial PI (atm only) is   : 0.6214