Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1862 1862

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 35.9129 	land 	CRU	25.13	1.42
msl 	  3.9878 	global 	COADS	11.69	0.34
qnet 	 21.5350 	ocean 	OAFLUX	14.24	1.51
tp 	 29.4047 	global 	CMAP	38.87	0.75
ewss 	  7.1069 	ocean 	DASILVA	4.03	1.76
nsss 	  5.6676 	ocean 	DASILVA	3.10	1.82
SST 	 29.8501 	ocean 	GISS	17.21	1.73
SSS 	  0.1735 	ocean 	levitus	0.22	0.78
SICE 	2680.4352 	ocean 	GISS	0.34	7883.63
T 	 32.1841 	zonal 	ERA40	38.89	0.82
U 	  4.7071 	zonal 	ERA40	12.07	0.38
V 	  2.6173 	zonal 	ERA40	8.25	0.31
Q 	 37.0204 	zonal 	ERA40	29.41	1.25

Total Performance Index is : 607.4230
Partial PI (atm only) is   : 0.7528

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1862 1862

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 33.3741 	land 	CRU	25.13	1.32
msl 	  3.9878 	global 	COADS	11.69	0.34
qnet 	 20.3701 	ocean 	OAFLUX	14.24	1.43
tp 	 29.4047 	global 	CMAP	38.87	0.75
ewss 	  6.6708 	ocean 	DASILVA	4.03	1.65
nsss 	  4.9895 	ocean 	DASILVA	3.10	1.60
SST 	 29.8501 	ocean 	GISS	17.21	1.73
SSS 	  0.1735 	ocean 	levitus	0.22	0.78
SICE 	2680.4352 	ocean 	GISS	0.34	7883.63
T 	 29.6749 	zonal 	ERA40	38.89	0.76
U 	  4.1471 	zonal 	ERA40	12.07	0.34
V 	  2.4700 	zonal 	ERA40	8.25	0.29
Q 	 29.2620 	zonal 	ERA40	29.41	0.99

Total Performance Index is : 607.3546
Partial PI (atm only) is   : 0.6842