Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c245 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.3827 	land 	CRU	25.13	0.61
msl 	  1.8694 	global 	COADS	11.69	0.15
qnet 	 19.7750 	ocean 	OAFLUX	14.24	1.38
tp 	 37.4422 	global 	CMAP	38.87	0.96
ewss 	  7.4448 	ocean 	DASILVA	4.03	1.84
nsss 	  5.4665 	ocean 	DASILVA	3.10	1.76
SST 	 42.2953 	ocean 	GISS	17.21	2.45
SSS 	  0.1507 	ocean 	levitus	0.22	0.68
SICE 	1790.6205 	ocean 	GISS	0.34	5266.53
T 	 24.5674 	zonal 	ERA40	38.89	0.63
U 	  2.5834 	zonal 	ERA40	12.07	0.21
V 	  2.3052 	zonal 	ERA40	8.25	0.27
Q 	 25.2143 	zonal 	ERA40	29.41	0.85

Total Performance Index is : 406.0246
Partial PI (atm only) is   : 0.5257

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c245 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.0050 	land 	CRU	25.13	0.47
msl 	  1.8694 	global 	COADS	11.69	0.15
qnet 	 18.5283 	ocean 	OAFLUX	14.24	1.30
tp 	 37.4422 	global 	CMAP	38.87	0.96
ewss 	  7.4907 	ocean 	DASILVA	4.03	1.85
nsss 	  4.8981 	ocean 	DASILVA	3.10	1.58
SST 	 42.2953 	ocean 	GISS	17.21	2.45
SSS 	  0.1507 	ocean 	levitus	0.22	0.68
SICE 	1790.6205 	ocean 	GISS	0.34	5266.53
T 	 24.1467 	zonal 	ERA40	38.89	0.62
U 	  2.4623 	zonal 	ERA40	12.07	0.20
V 	  2.1766 	zonal 	ERA40	8.25	0.26
Q 	 19.8727 	zonal 	ERA40	29.41	0.67

Total Performance Index is : 405.9784
Partial PI (atm only) is   : 0.4757