Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1863 1863

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 30.0164 	land 	CRU	25.13	1.19
msl 	  2.3408 	global 	COADS	11.69	0.20
qnet 	 20.6424 	ocean 	OAFLUX	14.24	1.44
tp 	 30.1659 	global 	CMAP	38.87	0.77
ewss 	  7.7685 	ocean 	DASILVA	4.03	1.92
nsss 	  6.1673 	ocean 	DASILVA	3.10	1.98
SST 	 27.1973 	ocean 	GISS	17.21	1.58
SSS 	  0.1390 	ocean 	levitus	0.22	0.63
SICE 	2612.9503 	ocean 	GISS	0.34	7685.14
T 	 26.2660 	zonal 	ERA40	38.89	0.67
U 	  3.5720 	zonal 	ERA40	12.07	0.29
V 	  2.6206 	zonal 	ERA40	8.25	0.31
Q 	 32.0263 	zonal 	ERA40	29.41	1.08

Total Performance Index is : 592.0923
Partial PI (atm only) is   : 0.6442

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1863 1863

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 28.1822 	land 	CRU	25.13	1.12
msl 	  2.3408 	global 	COADS	11.69	0.20
qnet 	 19.4750 	ocean 	OAFLUX	14.24	1.36
tp 	 30.1659 	global 	CMAP	38.87	0.77
ewss 	  7.0871 	ocean 	DASILVA	4.03	1.75
nsss 	  5.1734 	ocean 	DASILVA	3.10	1.66
SST 	 27.1973 	ocean 	GISS	17.21	1.58
SSS 	  0.1390 	ocean 	levitus	0.22	0.63
SICE 	2612.9503 	ocean 	GISS	0.34	7685.14
T 	 23.9171 	zonal 	ERA40	38.89	0.61
U 	  3.2557 	zonal 	ERA40	12.07	0.26
V 	  2.4808 	zonal 	ERA40	8.25	0.30
Q 	 24.5193 	zonal 	ERA40	29.41	0.83

Total Performance Index is : 592.0161
Partial PI (atm only) is   : 0.5842