Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2068 2068

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.4826 	land 	CRU	25.13	0.93
msl 	  1.7887 	global 	COADS	11.69	0.15
qnet 	 20.2103 	ocean 	OAFLUX	14.24	1.41
tp 	 40.7837 	global 	CMAP	38.87	1.04
ewss 	  8.1110 	ocean 	DASILVA	4.03	2.01
nsss 	  6.4607 	ocean 	DASILVA	3.10	2.08
SST 	 70.3026 	ocean 	GISS	17.21	4.08
SSS 	  0.1865 	ocean 	levitus	0.22	0.84
SICE 	1039.0620 	ocean 	GISS	0.34	3056.06
T 	 54.2264 	zonal 	ERA40	38.89	1.39
U 	  2.3550 	zonal 	ERA40	12.07	0.19
V 	  2.2655 	zonal 	ERA40	8.25	0.27
Q 	 41.6798 	zonal 	ERA40	29.41	1.41

Total Performance Index is : 236.2969
Partial PI (atm only) is   : 0.7685

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2068 2068

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.3626 	land 	CRU	25.13	0.65
msl 	  1.7887 	global 	COADS	11.69	0.15
qnet 	 19.0639 	ocean 	OAFLUX	14.24	1.33
tp 	 40.7837 	global 	CMAP	38.87	1.04
ewss 	  8.4478 	ocean 	DASILVA	4.03	2.09
nsss 	  5.6003 	ocean 	DASILVA	3.10	1.80
SST 	 70.3026 	ocean 	GISS	17.21	4.08
SSS 	  0.1865 	ocean 	levitus	0.22	0.84
SICE 	1039.0620 	ocean 	GISS	0.34	3056.06
T 	 53.9305 	zonal 	ERA40	38.89	1.38
U 	  2.2738 	zonal 	ERA40	12.07	0.18
V 	  2.1802 	zonal 	ERA40	8.25	0.26
Q 	 36.2678 	zonal 	ERA40	29.41	1.23

Total Performance Index is : 236.2376
Partial PI (atm only) is   : 0.6985