Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c585 2015 2015

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.5755 	land 	CRU	25.13	0.58
msl 	  1.7974 	global 	COADS	11.69	0.15
qnet 	 20.6055 	ocean 	OAFLUX	14.24	1.44
tp 	 41.2576 	global 	CMAP	38.87	1.06
ewss 	  8.1277 	ocean 	DASILVA	4.03	2.01
nsss 	  5.9291 	ocean 	DASILVA	3.10	1.91
SST 	 41.9097 	ocean 	GISS	17.21	2.43
SSS 	  0.1532 	ocean 	levitus	0.22	0.69
SICE 	1938.1132 	ocean 	GISS	0.34	5700.33
T 	 26.0992 	zonal 	ERA40	38.89	0.67
U 	  2.7757 	zonal 	ERA40	12.07	0.22
V 	  2.4453 	zonal 	ERA40	8.25	0.29
Q 	 24.1278 	zonal 	ERA40	29.41	0.82

Total Performance Index is : 439.4307
Partial PI (atm only) is   : 0.5414

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c585 2015 2015

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 10.8544 	land 	CRU	25.13	0.43
msl 	  1.7974 	global 	COADS	11.69	0.15
qnet 	 19.4562 	ocean 	OAFLUX	14.24	1.36
tp 	 41.2576 	global 	CMAP	38.87	1.06
ewss 	  9.2682 	ocean 	DASILVA	4.03	2.29
nsss 	  5.0285 	ocean 	DASILVA	3.10	1.62
SST 	 41.9097 	ocean 	GISS	17.21	2.43
SSS 	  0.1532 	ocean 	levitus	0.22	0.69
SICE 	1938.1132 	ocean 	GISS	0.34	5700.33
T 	 25.6548 	zonal 	ERA40	38.89	0.65
U 	  2.6718 	zonal 	ERA40	12.07	0.22
V 	  2.3330 	zonal 	ERA40	8.25	0.28
Q 	 19.1895 	zonal 	ERA40	29.41	0.65

Total Performance Index is : 439.3969
Partial PI (atm only) is   : 0.4914