Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c119 2045 2045

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.1957 	land 	CRU	25.13	0.76
msl 	  2.5057 	global 	COADS	11.69	0.21
qnet 	 19.9843 	ocean 	OAFLUX	14.24	1.40
tp 	 42.3789 	global 	CMAP	38.87	1.09
ewss 	  9.0098 	ocean 	DASILVA	4.03	2.23
nsss 	  6.0582 	ocean 	DASILVA	3.10	1.95
SST 	 56.5512 	ocean 	GISS	17.21	3.28
SSS 	  0.1841 	ocean 	levitus	0.22	0.83
SICE 	1474.5809 	ocean 	GISS	0.34	4337.00
T 	 38.0185 	zonal 	ERA40	38.89	0.97
U 	  2.2946 	zonal 	ERA40	12.07	0.19
V 	  2.1747 	zonal 	ERA40	8.25	0.26
Q 	 29.2536 	zonal 	ERA40	29.41	0.99

Total Performance Index is : 334.7046
Partial PI (atm only) is   : 0.6385

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c119 2045 2045

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 13.4367 	land 	CRU	25.13	0.53
msl 	  2.5057 	global 	COADS	11.69	0.21
qnet 	 18.7848 	ocean 	OAFLUX	14.24	1.31
tp 	 42.3789 	global 	CMAP	38.87	1.09
ewss 	  9.4593 	ocean 	DASILVA	4.03	2.34
nsss 	  5.6899 	ocean 	DASILVA	3.10	1.83
SST 	 56.5512 	ocean 	GISS	17.21	3.28
SSS 	  0.1841 	ocean 	levitus	0.22	0.83
SICE 	1474.5809 	ocean 	GISS	0.34	4337.00
T 	 37.6555 	zonal 	ERA40	38.89	0.96
U 	  2.1846 	zonal 	ERA40	12.07	0.18
V 	  2.0373 	zonal 	ERA40	8.25	0.24
Q 	 23.8578 	zonal 	ERA40	29.41	0.81

Total Performance Index is : 334.6623
Partial PI (atm only) is   : 0.5742