Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1909 1909

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	235.1824 	land 	CRU	25.13	9.35
msl 	  3.8896 	global 	COADS	11.69	0.33
qnet 	 20.8187 	ocean 	OAFLUX	14.24	1.46
tp 	 61.5625 	global 	CMAP	38.87	1.58
ewss 	  9.7693 	ocean 	DASILVA	4.03	2.42
nsss 	  6.9635 	ocean 	DASILVA	3.10	2.24
SST 	315.5773 	ocean 	GISS	17.21	18.33
SSS 	  0.3195 	ocean 	levitus	0.22	1.45
SICE 	 58.3880 	ocean 	GISS	0.34	171.72
T 	427.4107 	zonal 	ERA40	38.89	10.99
U 	  7.1892 	zonal 	ERA40	12.07	0.59
V 	  3.3619 	zonal 	ERA40	8.25	0.40
Q 	388.0505 	zonal 	ERA40	29.41	13.19

Total Performance Index is : 18.0038
Partial PI (atm only) is   : 5.2042

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1909 1909

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	180.5461 	land 	CRU	25.13	7.18
msl 	  3.8896 	global 	COADS	11.69	0.33
qnet 	 19.7520 	ocean 	OAFLUX	14.24	1.38
tp 	 61.5625 	global 	CMAP	38.87	1.58
ewss 	 10.0478 	ocean 	DASILVA	4.03	2.49
nsss 	  6.3132 	ocean 	DASILVA	3.10	2.03
SST 	315.5773 	ocean 	GISS	17.21	18.33
SSS 	  0.3195 	ocean 	levitus	0.22	1.45
SICE 	 58.3880 	ocean 	GISS	0.34	171.72
T 	426.3056 	zonal 	ERA40	38.89	10.96
U 	  5.9515 	zonal 	ERA40	12.07	0.49
V 	  3.2701 	zonal 	ERA40	8.25	0.39
Q 	385.8153 	zonal 	ERA40	29.41	13.11

Total Performance Index is : 17.8030
Partial PI (atm only) is   : 4.8628