Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v370 2028 2028

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.9379 	land 	CRU	25.13	0.63
msl 	  1.9939 	global 	COADS	11.69	0.17
qnet 	 19.1912 	ocean 	OAFLUX	14.24	1.34
tp 	 41.5051 	global 	CMAP	38.87	1.06
ewss 	  8.3623 	ocean 	DASILVA	4.03	2.07
nsss 	  6.1804 	ocean 	DASILVA	3.10	1.99
SST 	 47.5578 	ocean 	GISS	17.21	2.76
SSS 	  0.1563 	ocean 	levitus	0.22	0.71
SICE 	1552.3224 	ocean 	GISS	0.34	4565.65
T 	 30.8941 	zonal 	ERA40	38.89	0.79
U 	  2.5604 	zonal 	ERA40	12.07	0.21
V 	  2.0601 	zonal 	ERA40	8.25	0.24
Q 	 25.8028 	zonal 	ERA40	29.41	0.87

Total Performance Index is : 352.1915
Partial PI (atm only) is   : 0.5671

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v370 2028 2028

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 10.9889 	land 	CRU	25.13	0.43
msl 	  1.9939 	global 	COADS	11.69	0.17
qnet 	 17.9570 	ocean 	OAFLUX	14.24	1.26
tp 	 41.5051 	global 	CMAP	38.87	1.06
ewss 	  8.7324 	ocean 	DASILVA	4.03	2.16
nsss 	  5.5514 	ocean 	DASILVA	3.10	1.79
SST 	 47.5578 	ocean 	GISS	17.21	2.76
SSS 	  0.1563 	ocean 	levitus	0.22	0.71
SICE 	1552.3224 	ocean 	GISS	0.34	4565.65
T 	 30.6110 	zonal 	ERA40	38.89	0.78
U 	  2.4298 	zonal 	ERA40	12.07	0.20
V 	  1.9310 	zonal 	ERA40	8.25	0.23
Q 	 20.7956 	zonal 	ERA40	29.41	0.70

Total Performance Index is : 352.1461
Partial PI (atm only) is   : 0.5100