Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 1998 1998

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.4461 	land 	CRU	25.13	0.57
msl 	  2.3261 	global 	COADS	11.69	0.19
qnet 	 22.6664 	ocean 	OAFLUX	14.24	1.59
tp 	 26.3412 	global 	CMAP	38.87	0.67
ewss 	 11.9251 	ocean 	DASILVA	4.03	2.95
nsss 	  5.6621 	ocean 	DASILVA	3.10	1.82
T 	  6.0575 	zonal 	ERA40	38.89	0.15
U 	  3.6269 	zonal 	ERA40	12.07	0.30
V 	  2.8703 	zonal 	ERA40	8.25	0.34
Q 	 15.3422 	zonal 	ERA40	29.41	0.52

Total Performance Index is : 3.4692
Partial PI (atm only) is   : 5.4214

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 1998 1998

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.0598 	land 	CRU	25.13	0.44
msl 	  2.3261 	global 	COADS	11.69	0.19
qnet 	 21.5031 	ocean 	OAFLUX	14.24	1.51
tp 	 26.3412 	global 	CMAP	38.87	0.67
ewss 	 14.0373 	ocean 	DASILVA	4.03	3.48
nsss 	  4.9944 	ocean 	DASILVA	3.10	1.61
SST 	  4.9944 	ocean 	GISS	17.21	0
SSS 	  4.9944 	ocean 	levitus	0.22	0
SICE 	  4.9944 	ocean 	GISS	0.34	0
T 	  5.3893 	zonal 	ERA40	38.89	0.13
U 	  3.5102 	zonal 	ERA40	12.07	0.29
V 	  2.7299 	zonal 	ERA40	8.25	0.33
Q 	  9.3791 	zonal 	ERA40	29.41	0.31

Total Performance Index is : 0.6892
Partial PI (atm only) is   : 0.3371