Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1876 1876

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 27.2899 	land 	CRU	25.13	1.08
msl 	  2.5239 	global 	COADS	11.69	0.21
qnet 	 19.8907 	ocean 	OAFLUX	14.24	1.39
tp 	 34.4306 	global 	CMAP	38.87	0.88
ewss 	  8.5558 	ocean 	DASILVA	4.03	2.12
nsss 	  6.1022 	ocean 	DASILVA	3.10	1.96
SST 	 27.7850 	ocean 	GISS	17.21	1.61
SSS 	  0.1403 	ocean 	levitus	0.22	0.63
SICE 	2591.7557 	ocean 	GISS	0.34	7622.81
T 	 24.3972 	zonal 	ERA40	38.89	0.62
U 	  3.4078 	zonal 	ERA40	12.07	0.28
V 	  2.4381 	zonal 	ERA40	8.25	0.29
Q 	 30.9162 	zonal 	ERA40	29.41	1.05

Total Performance Index is : 587.3023
Partial PI (atm only) is   : 0.6300

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1876 1876

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.7949 	land 	CRU	25.13	1.02
msl 	  2.5239 	global 	COADS	11.69	0.21
qnet 	 18.6920 	ocean 	OAFLUX	14.24	1.31
tp 	 34.4306 	global 	CMAP	38.87	0.88
ewss 	  8.5431 	ocean 	DASILVA	4.03	2.11
nsss 	  5.4024 	ocean 	DASILVA	3.10	1.74
SST 	 27.7850 	ocean 	GISS	17.21	1.61
SSS 	  0.1403 	ocean 	levitus	0.22	0.63
SICE 	2591.7557 	ocean 	GISS	0.34	7622.81
T 	 22.1487 	zonal 	ERA40	38.89	0.56
U 	  3.1335 	zonal 	ERA40	12.07	0.25
V 	  2.3183 	zonal 	ERA40	8.25	0.28
Q 	 23.3665 	zonal 	ERA40	29.41	0.79

Total Performance Index is : 587.2461
Partial PI (atm only) is   : 0.5700