Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c585 2019 2019

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.4346 	land 	CRU	25.13	0.57
msl 	  1.8400 	global 	COADS	11.69	0.15
qnet 	 20.2167 	ocean 	OAFLUX	14.24	1.41
tp 	 35.7427 	global 	CMAP	38.87	0.91
ewss 	  8.5385 	ocean 	DASILVA	4.03	2.11
nsss 	  6.0682 	ocean 	DASILVA	3.10	1.95
SST 	 43.8531 	ocean 	GISS	17.21	2.54
SSS 	  0.1666 	ocean 	levitus	0.22	0.75
SICE 	1873.9448 	ocean 	GISS	0.34	5511.60
T 	 26.2873 	zonal 	ERA40	38.89	0.67
U 	  2.5706 	zonal 	ERA40	12.07	0.21
V 	  2.5289 	zonal 	ERA40	8.25	0.30
Q 	 23.9687 	zonal 	ERA40	29.41	0.81

Total Performance Index is : 424.9215
Partial PI (atm only) is   : 0.5171

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c585 2019 2019

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.0189 	land 	CRU	25.13	0.43
msl 	  1.8400 	global 	COADS	11.69	0.15
qnet 	 19.0070 	ocean 	OAFLUX	14.24	1.33
tp 	 35.7427 	global 	CMAP	38.87	0.91
ewss 	  9.6060 	ocean 	DASILVA	4.03	2.38
nsss 	  5.1677 	ocean 	DASILVA	3.10	1.66
SST 	 43.8531 	ocean 	GISS	17.21	2.54
SSS 	  0.1666 	ocean 	levitus	0.22	0.75
SICE 	1873.9448 	ocean 	GISS	0.34	5511.60
T 	 25.9501 	zonal 	ERA40	38.89	0.66
U 	  2.4565 	zonal 	ERA40	12.07	0.20
V 	  2.3976 	zonal 	ERA40	8.25	0.29
Q 	 18.9636 	zonal 	ERA40	29.41	0.64

Total Performance Index is : 424.8876
Partial PI (atm only) is   : 0.4685