Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1937 1937

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 24.8173 	land 	CRU	25.13	0.98
msl 	  2.6926 	global 	COADS	11.69	0.23
qnet 	 20.4300 	ocean 	OAFLUX	14.24	1.43
tp 	 48.2718 	global 	CMAP	38.87	1.24
ewss 	  8.4321 	ocean 	DASILVA	4.03	2.09
nsss 	  6.4945 	ocean 	DASILVA	3.10	2.09
SST 	 33.5686 	ocean 	GISS	17.21	1.95
SSS 	  0.1503 	ocean 	levitus	0.22	0.68
SICE 	2628.4494 	ocean 	GISS	0.34	7730.73
T 	 25.0810 	zonal 	ERA40	38.89	0.64
U 	  3.5292 	zonal 	ERA40	12.07	0.29
V 	  2.6416 	zonal 	ERA40	8.25	0.32
Q 	 33.4730 	zonal 	ERA40	29.41	1.13

Total Performance Index is : 595.6769
Partial PI (atm only) is   : 0.6900

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1937 1937

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.2394 	land 	CRU	25.13	0.92
msl 	  2.6926 	global 	COADS	11.69	0.23
qnet 	 19.2134 	ocean 	OAFLUX	14.24	1.34
tp 	 48.2718 	global 	CMAP	38.87	1.24
ewss 	  7.8081 	ocean 	DASILVA	4.03	1.93
nsss 	  6.1871 	ocean 	DASILVA	3.10	1.99
SST 	 33.5686 	ocean 	GISS	17.21	1.95
SSS 	  0.1503 	ocean 	levitus	0.22	0.68
SICE 	2628.4494 	ocean 	GISS	0.34	7730.73
T 	 23.2782 	zonal 	ERA40	38.89	0.59
U 	  3.2093 	zonal 	ERA40	12.07	0.26
V 	  2.5225 	zonal 	ERA40	8.25	0.30
Q 	 26.4783 	zonal 	ERA40	29.41	0.90

Total Performance Index is : 595.6200
Partial PI (atm only) is   : 0.6342