Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c245 2080 2080

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 42.1081 	land 	CRU	25.13	1.67
msl 	  2.5599 	global 	COADS	11.69	0.21
qnet 	 19.1052 	ocean 	OAFLUX	14.24	1.34
tp 	 50.7840 	global 	CMAP	38.87	1.30
ewss 	  8.2354 	ocean 	DASILVA	4.03	2.04
nsss 	  6.4635 	ocean 	DASILVA	3.10	2.08
SST 	103.0866 	ocean 	GISS	17.21	5.98
SSS 	  0.1981 	ocean 	levitus	0.22	0.90
SICE 	821.3550 	ocean 	GISS	0.34	2415.75
T 	 95.9565 	zonal 	ERA40	38.89	2.46
U 	  2.7971 	zonal 	ERA40	12.07	0.23
V 	  2.5149 	zonal 	ERA40	8.25	0.30
Q 	 66.8435 	zonal 	ERA40	29.41	2.27

Total Performance Index is : 187.4253
Partial PI (atm only) is   : 1.2057

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c245 2080 2080

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 28.5217 	land 	CRU	25.13	1.13
msl 	  2.5599 	global 	COADS	11.69	0.21
qnet 	 17.8795 	ocean 	OAFLUX	14.24	1.25
tp 	 50.7840 	global 	CMAP	38.87	1.30
ewss 	  9.1084 	ocean 	DASILVA	4.03	2.26
nsss 	  5.4609 	ocean 	DASILVA	3.10	1.76
SST 	103.0866 	ocean 	GISS	17.21	5.98
SSS 	  0.1981 	ocean 	levitus	0.22	0.90
SICE 	821.3550 	ocean 	GISS	0.34	2415.75
T 	 95.8700 	zonal 	ERA40	38.89	2.46
U 	  2.6324 	zonal 	ERA40	12.07	0.21
V 	  2.4123 	zonal 	ERA40	8.25	0.29
Q 	 62.6411 	zonal 	ERA40	29.41	2.12

Total Performance Index is : 187.3553
Partial PI (atm only) is   : 1.1028