Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1942 1942

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	256.8763 	land 	CRU	25.13	10.22
msl 	  3.0970 	global 	COADS	11.69	0.26
qnet 	 20.8070 	ocean 	OAFLUX	14.24	1.46
tp 	 71.3407 	global 	CMAP	38.87	1.83
ewss 	  9.7567 	ocean 	DASILVA	4.03	2.42
nsss 	  7.5404 	ocean 	DASILVA	3.10	2.43
SST 	362.8827 	ocean 	GISS	17.21	21.08
SSS 	  0.3435 	ocean 	levitus	0.22	1.56
SICE 	 27.2962 	ocean 	GISS	0.34	80.28
T 	474.3983 	zonal 	ERA40	38.89	12.19
U 	  6.6736 	zonal 	ERA40	12.07	0.55
V 	  3.3090 	zonal 	ERA40	8.25	0.40
Q 	477.8321 	zonal 	ERA40	29.41	16.24

Total Performance Index is : 11.6092
Partial PI (atm only) is   : 5.9557

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1942 1942

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	198.3778 	land 	CRU	25.13	7.89
msl 	  3.0970 	global 	COADS	11.69	0.26
qnet 	 19.7240 	ocean 	OAFLUX	14.24	1.38
tp 	 71.3407 	global 	CMAP	38.87	1.83
ewss 	  9.9907 	ocean 	DASILVA	4.03	2.47
nsss 	  6.6742 	ocean 	DASILVA	3.10	2.15
SST 	362.8827 	ocean 	GISS	17.21	21.08
SSS 	  0.3435 	ocean 	levitus	0.22	1.56
SICE 	 27.2962 	ocean 	GISS	0.34	80.28
T 	473.2903 	zonal 	ERA40	38.89	12.16
U 	  5.5439 	zonal 	ERA40	12.07	0.45
V 	  3.2402 	zonal 	ERA40	8.25	0.39
Q 	475.8444 	zonal 	ERA40	29.41	16.17

Total Performance Index is : 11.3900
Partial PI (atm only) is   : 5.5928