Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1862 1862

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 29.5935 	land 	CRU	25.13	1.17
msl 	  2.3413 	global 	COADS	11.69	0.20
qnet 	 21.5607 	ocean 	OAFLUX	14.24	1.51
tp 	 30.6999 	global 	CMAP	38.87	0.78
ewss 	  8.0231 	ocean 	DASILVA	4.03	1.99
nsss 	  5.8501 	ocean 	DASILVA	3.10	1.88
SST 	 27.2960 	ocean 	GISS	17.21	1.58
SSS 	  0.1495 	ocean 	levitus	0.22	0.67
SICE 	2646.7422 	ocean 	GISS	0.34	7784.53
T 	 27.6713 	zonal 	ERA40	38.89	0.71
U 	  2.7768 	zonal 	ERA40	12.07	0.23
V 	  2.4605 	zonal 	ERA40	8.25	0.29
Q 	 35.3475 	zonal 	ERA40	29.41	1.20

Total Performance Index is : 599.7492
Partial PI (atm only) is   : 0.6542

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1862 1862

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 27.7343 	land 	CRU	25.13	1.10
msl 	  2.3413 	global 	COADS	11.69	0.20
qnet 	 20.4191 	ocean 	OAFLUX	14.24	1.43
tp 	 30.6999 	global 	CMAP	38.87	0.78
ewss 	  7.7754 	ocean 	DASILVA	4.03	1.92
nsss 	  4.8260 	ocean 	DASILVA	3.10	1.55
SST 	 27.2960 	ocean 	GISS	17.21	1.58
SSS 	  0.1495 	ocean 	levitus	0.22	0.67
SICE 	2646.7422 	ocean 	GISS	0.34	7784.53
T 	 25.2564 	zonal 	ERA40	38.89	0.64
U 	  2.5237 	zonal 	ERA40	12.07	0.20
V 	  2.3143 	zonal 	ERA40	8.25	0.28
Q 	 27.8904 	zonal 	ERA40	29.41	0.94

Total Performance Index is : 599.6784
Partial PI (atm only) is   : 0.5914