Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1906 1906

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	237.9077 	land 	CRU	25.13	9.46
msl 	  4.1286 	global 	COADS	11.69	0.35
qnet 	 20.8294 	ocean 	OAFLUX	14.24	1.46
tp 	 56.9977 	global 	CMAP	38.87	1.46
ewss 	 10.5943 	ocean 	DASILVA	4.03	2.62
nsss 	  6.5338 	ocean 	DASILVA	3.10	2.10
SST 	309.9673 	ocean 	GISS	17.21	18.01
SSS 	  0.3008 	ocean 	levitus	0.22	1.36
SICE 	 75.9858 	ocean 	GISS	0.34	223.48
T 	430.4715 	zonal 	ERA40	38.89	11.06
U 	  7.7175 	zonal 	ERA40	12.07	0.63
V 	  3.6124 	zonal 	ERA40	8.25	0.43
Q 	383.9029 	zonal 	ERA40	29.41	13.05

Total Performance Index is : 21.9592
Partial PI (atm only) is   : 5.2057

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1906 1906

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	179.7964 	land 	CRU	25.13	7.15
msl 	  4.1286 	global 	COADS	11.69	0.35
qnet 	 19.7584 	ocean 	OAFLUX	14.24	1.38
tp 	 56.9977 	global 	CMAP	38.87	1.46
ewss 	 11.2579 	ocean 	DASILVA	4.03	2.79
nsss 	  5.9247 	ocean 	DASILVA	3.10	1.91
SST 	309.9673 	ocean 	GISS	17.21	18.01
SSS 	  0.3008 	ocean 	levitus	0.22	1.36
SICE 	 75.9858 	ocean 	GISS	0.34	223.48
T 	429.3272 	zonal 	ERA40	38.89	11.03
U 	  6.4252 	zonal 	ERA40	12.07	0.53
V 	  3.5400 	zonal 	ERA40	8.25	0.42
Q 	381.8367 	zonal 	ERA40	29.41	12.98

Total Performance Index is : 21.7576
Partial PI (atm only) is   : 4.8457