Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v370 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.3598 	land 	CRU	25.13	0.61
msl 	  2.0801 	global 	COADS	11.69	0.17
qnet 	 20.3721 	ocean 	OAFLUX	14.24	1.43
tp 	 36.9421 	global 	CMAP	38.87	0.95
ewss 	  7.9595 	ocean 	DASILVA	4.03	1.97
nsss 	  5.9637 	ocean 	DASILVA	3.10	1.92
SST 	 41.6059 	ocean 	GISS	17.21	2.41
SSS 	  0.1460 	ocean 	levitus	0.22	0.66
SICE 	1735.0946 	ocean 	GISS	0.34	5103.21
T 	 27.0918 	zonal 	ERA40	38.89	0.69
U 	  2.5380 	zonal 	ERA40	12.07	0.21
V 	  2.6307 	zonal 	ERA40	8.25	0.31
Q 	 27.1277 	zonal 	ERA40	29.41	0.92

Total Performance Index is : 393.4969
Partial PI (atm only) is   : 0.5514

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v370 2016 2016

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 12.4244 	land 	CRU	25.13	0.49
msl 	  2.0801 	global 	COADS	11.69	0.17
qnet 	 19.2426 	ocean 	OAFLUX	14.24	1.35
tp 	 36.9421 	global 	CMAP	38.87	0.95
ewss 	  8.3179 	ocean 	DASILVA	4.03	2.06
nsss 	  5.1190 	ocean 	DASILVA	3.10	1.65
SST 	 41.6059 	ocean 	GISS	17.21	2.41
SSS 	  0.1460 	ocean 	levitus	0.22	0.66
SICE 	1735.0946 	ocean 	GISS	0.34	5103.21
T 	 26.6530 	zonal 	ERA40	38.89	0.68
U 	  2.4319 	zonal 	ERA40	12.07	0.20
V 	  2.4940 	zonal 	ERA40	8.25	0.30
Q 	 21.9602 	zonal 	ERA40	29.41	0.74

Total Performance Index is : 393.4515
Partial PI (atm only) is   : 0.5042