Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2017 2017

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.9097 	land 	CRU	25.13	0.59
msl 	  1.7140 	global 	COADS	11.69	0.14
qnet 	 19.7332 	ocean 	OAFLUX	14.24	1.38
tp 	 36.8045 	global 	CMAP	38.87	0.94
ewss 	  9.0506 	ocean 	DASILVA	4.03	2.24
nsss 	  5.9653 	ocean 	DASILVA	3.10	1.92
SST 	 46.0863 	ocean 	GISS	17.21	2.67
SSS 	  0.1579 	ocean 	levitus	0.22	0.71
SICE 	1826.6894 	ocean 	GISS	0.34	5372.61
T 	 30.9328 	zonal 	ERA40	38.89	0.79
U 	  3.3768 	zonal 	ERA40	12.07	0.27
V 	  2.4577 	zonal 	ERA40	8.25	0.29
Q 	 28.6157 	zonal 	ERA40	29.41	0.97

Total Performance Index is : 414.2707
Partial PI (atm only) is   : 0.5700

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2017 2017

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.9685 	land 	CRU	25.13	0.47
msl 	  1.7140 	global 	COADS	11.69	0.14
qnet 	 18.5448 	ocean 	OAFLUX	14.24	1.30
tp 	 36.8045 	global 	CMAP	38.87	0.94
ewss 	 10.2773 	ocean 	DASILVA	4.03	2.55
nsss 	  5.2341 	ocean 	DASILVA	3.10	1.68
SST 	 46.0863 	ocean 	GISS	17.21	2.67
SSS 	  0.1579 	ocean 	levitus	0.22	0.71
SICE 	1826.6894 	ocean 	GISS	0.34	5372.61
T 	 30.4923 	zonal 	ERA40	38.89	0.78
U 	  3.1910 	zonal 	ERA40	12.07	0.26
V 	  2.3534 	zonal 	ERA40	8.25	0.28
Q 	 23.3236 	zonal 	ERA40	29.41	0.79

Total Performance Index is : 414.2446
Partial PI (atm only) is   : 0.5228