Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 2015 2015

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 14.9008 	land 	CRU	25.13	0.59
msl 	  1.3762 	global 	COADS	11.69	0.11
qnet 	 19.4119 	ocean 	OAFLUX	14.24	1.36
tp 	 27.2778 	global 	CMAP	38.87	0.70
ewss 	 10.1997 	ocean 	DASILVA	4.03	2.53
nsss 	  5.1927 	ocean 	DASILVA	3.10	1.67
T 	  6.9325 	zonal 	ERA40	38.89	0.17
U 	  2.0567 	zonal 	ERA40	12.07	0.17
V 	  2.3154 	zonal 	ERA40	8.25	0.28
Q 	 12.9751 	zonal 	ERA40	29.41	0.44

Total Performance Index is : 3.3861
Partial PI (atm only) is   : 5.4057

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 2015 2015

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 10.6446 	land 	CRU	25.13	0.42
msl 	  1.3762 	global 	COADS	11.69	0.11
qnet 	 18.2221 	ocean 	OAFLUX	14.24	1.27
tp 	 27.2778 	global 	CMAP	38.87	0.70
ewss 	 12.1780 	ocean 	DASILVA	4.03	3.02
nsss 	  4.6890 	ocean 	DASILVA	3.10	1.51
SST 	  4.6890 	ocean 	GISS	17.21	0
SSS 	  4.6890 	ocean 	levitus	0.22	0
SICE 	  4.6890 	ocean 	GISS	0.34	0
T 	  6.4390 	zonal 	ERA40	38.89	0.16
U 	  1.8871 	zonal 	ERA40	12.07	0.15
V 	  2.2036 	zonal 	ERA40	8.25	0.26
Q 	  6.9280 	zonal 	ERA40	29.41	0.23

Total Performance Index is : 0.6023
Partial PI (atm only) is   : 0.2900