Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 1983 1983

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.9741 	land 	CRU	25.13	0.79
msl 	  2.2983 	global 	COADS	11.69	0.19
qnet 	 21.1048 	ocean 	OAFLUX	14.24	1.48
tp 	 24.6033 	global 	CMAP	38.87	0.63
ewss 	  9.7803 	ocean 	DASILVA	4.03	2.42
nsss 	  5.0975 	ocean 	DASILVA	3.10	1.64
T 	  8.2444 	zonal 	ERA40	38.89	0.21
U 	  2.1635 	zonal 	ERA40	12.07	0.17
V 	  2.1561 	zonal 	ERA40	8.25	0.26
Q 	 18.9486 	zonal 	ERA40	29.41	0.64

Total Performance Index is : 3.4176
Partial PI (atm only) is   : 5.4642

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 1983 1983

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.3460 	land 	CRU	25.13	0.69
msl 	  2.2983 	global 	COADS	11.69	0.19
qnet 	 19.9252 	ocean 	OAFLUX	14.24	1.39
tp 	 24.6033 	global 	CMAP	38.87	0.63
ewss 	 10.7470 	ocean 	DASILVA	4.03	2.66
nsss 	  4.8918 	ocean 	DASILVA	3.10	1.57
SST 	  4.8918 	ocean 	GISS	17.21	0
SSS 	  4.8918 	ocean 	levitus	0.22	0
SICE 	  4.8918 	ocean 	GISS	0.34	0
T 	  7.0133 	zonal 	ERA40	38.89	0.18
U 	  2.0336 	zonal 	ERA40	12.07	0.16
V 	  2.0438 	zonal 	ERA40	8.25	0.24
Q 	 12.6060 	zonal 	ERA40	29.41	0.42

Total Performance Index is : 0.6253
Partial PI (atm only) is   : 0.3585