Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
caaa 1974 1974

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 26.3273 	land 	CRU	25.13	1.04
msl 	  2.4900 	global 	COADS	11.69	0.21
qnet 	 20.3852 	ocean 	OAFLUX	14.24	1.43
tp 	 26.1142 	global 	CMAP	38.87	0.67
ewss 	 10.8833 	ocean 	DASILVA	4.03	2.70
nsss 	  5.4068 	ocean 	DASILVA	3.10	1.74
T 	 13.9925 	zonal 	ERA40	38.89	0.35
U 	  5.8922 	zonal 	ERA40	12.07	0.48
V 	  2.5729 	zonal 	ERA40	8.25	0.31
Q 	 23.7434 	zonal 	ERA40	29.41	0.80

Total Performance Index is : 3.5176
Partial PI (atm only) is   : 5.5314

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
caaa 1974 1974

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 25.1228 	land 	CRU	25.13	0.99
msl 	  2.4900 	global 	COADS	11.69	0.21
qnet 	 19.1914 	ocean 	OAFLUX	14.24	1.34
tp 	 26.1142 	global 	CMAP	38.87	0.67
ewss 	 12.2520 	ocean 	DASILVA	4.03	3.04
nsss 	  4.8672 	ocean 	DASILVA	3.10	1.57
SST 	  4.8672 	ocean 	GISS	17.21	0
SSS 	  4.8672 	ocean 	levitus	0.22	0
SICE 	  4.8672 	ocean 	GISS	0.34	0
T 	 12.7576 	zonal 	ERA40	38.89	0.32
U 	  5.4830 	zonal 	ERA40	12.07	0.45
V 	  2.4089 	zonal 	ERA40	8.25	0.29
Q 	 17.1901 	zonal 	ERA40	29.41	0.58

Total Performance Index is : 0.7276
Partial PI (atm only) is   : 0.5014