Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c370 2015 2015

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.4698 	land 	CRU	25.13	0.61
msl 	  1.6841 	global 	COADS	11.69	0.14
qnet 	 20.4675 	ocean 	OAFLUX	14.24	1.43
tp 	 39.5126 	global 	CMAP	38.87	1.01
ewss 	  8.0451 	ocean 	DASILVA	4.03	1.99
nsss 	  5.9231 	ocean 	DASILVA	3.10	1.91
SST 	 43.6727 	ocean 	GISS	17.21	2.53
SSS 	  0.1601 	ocean 	levitus	0.22	0.72
SICE 	1788.4843 	ocean 	GISS	0.34	5260.24
T 	 26.5271 	zonal 	ERA40	38.89	0.68
U 	  2.2976 	zonal 	ERA40	12.07	0.19
V 	  2.3235 	zonal 	ERA40	8.25	0.28
Q 	 25.2219 	zonal 	ERA40	29.41	0.85

Total Performance Index is : 405.5830
Partial PI (atm only) is   : 0.5371

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c370 2015 2015

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.8134 	land 	CRU	25.13	0.47
msl 	  1.6841 	global 	COADS	11.69	0.14
qnet 	 19.2961 	ocean 	OAFLUX	14.24	1.35
tp 	 39.5126 	global 	CMAP	38.87	1.01
ewss 	  8.9132 	ocean 	DASILVA	4.03	2.21
nsss 	  4.8986 	ocean 	DASILVA	3.10	1.58
SST 	 43.6727 	ocean 	GISS	17.21	2.53
SSS 	  0.1601 	ocean 	levitus	0.22	0.72
SICE 	1788.4843 	ocean 	GISS	0.34	5260.24
T 	 26.0715 	zonal 	ERA40	38.89	0.67
U 	  2.1871 	zonal 	ERA40	12.07	0.18
V 	  2.2221 	zonal 	ERA40	8.25	0.26
Q 	 20.1938 	zonal 	ERA40	29.41	0.68

Total Performance Index is : 405.5415
Partial PI (atm only) is   : 0.4871