Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c119 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.9887 	land 	CRU	25.13	0.63
msl 	  1.9141 	global 	COADS	11.69	0.16
qnet 	 19.9262 	ocean 	OAFLUX	14.24	1.39
tp 	 36.4217 	global 	CMAP	38.87	0.93
ewss 	  8.2232 	ocean 	DASILVA	4.03	2.04
nsss 	  5.2828 	ocean 	DASILVA	3.10	1.70
SST 	 45.9539 	ocean 	GISS	17.21	2.67
SSS 	  0.1580 	ocean 	levitus	0.22	0.71
SICE 	1859.4996 	ocean 	GISS	0.34	5469.11
T 	 28.7833 	zonal 	ERA40	38.89	0.74
U 	  3.7727 	zonal 	ERA40	12.07	0.31
V 	  2.4872 	zonal 	ERA40	8.25	0.30
Q 	 28.1687 	zonal 	ERA40	29.41	0.95

Total Performance Index is : 421.6646
Partial PI (atm only) is   : 0.5742

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c119 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.8791 	land 	CRU	25.13	0.51
msl 	  1.9141 	global 	COADS	11.69	0.16
qnet 	 18.7237 	ocean 	OAFLUX	14.24	1.31
tp 	 36.4217 	global 	CMAP	38.87	0.93
ewss 	  8.8365 	ocean 	DASILVA	4.03	2.19
nsss 	  4.8094 	ocean 	DASILVA	3.10	1.55
SST 	 45.9539 	ocean 	GISS	17.21	2.67
SSS 	  0.1580 	ocean 	levitus	0.22	0.71
SICE 	1859.4996 	ocean 	GISS	0.34	5469.11
T 	 28.3736 	zonal 	ERA40	38.89	0.72
U 	  3.6498 	zonal 	ERA40	12.07	0.30
V 	  2.3649 	zonal 	ERA40	8.25	0.28
Q 	 22.9654 	zonal 	ERA40	29.41	0.78

Total Performance Index is : 421.6323
Partial PI (atm only) is   : 0.5257