Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vhis 1882 1882

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 23.6726 	land 	CRU	25.13	0.94
msl 	  2.2701 	global 	COADS	11.69	0.19
qnet 	 19.5562 	ocean 	OAFLUX	14.24	1.37
tp 	 28.1021 	global 	CMAP	38.87	0.72
ewss 	  7.7028 	ocean 	DASILVA	4.03	1.91
nsss 	  5.5712 	ocean 	DASILVA	3.10	1.79
SST 	 26.7535 	ocean 	GISS	17.21	1.55
SSS 	  0.1341 	ocean 	levitus	0.22	0.60
SICE 	2446.0241 	ocean 	GISS	0.34	7194.18
T 	 23.9402 	zonal 	ERA40	38.89	0.61
U 	  2.9713 	zonal 	ERA40	12.07	0.24
V 	  2.2452 	zonal 	ERA40	8.25	0.27
Q 	 30.5091 	zonal 	ERA40	29.41	1.03

Total Performance Index is : 554.2615
Partial PI (atm only) is   : 0.5714

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vhis 1882 1882

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 22.4689 	land 	CRU	25.13	0.89
msl 	  2.2701 	global 	COADS	11.69	0.19
qnet 	 18.3172 	ocean 	OAFLUX	14.24	1.28
tp 	 28.1021 	global 	CMAP	38.87	0.72
ewss 	  8.0874 	ocean 	DASILVA	4.03	2.00
nsss 	  4.7293 	ocean 	DASILVA	3.10	1.52
SST 	 26.7535 	ocean 	GISS	17.21	1.55
SSS 	  0.1341 	ocean 	levitus	0.22	0.60
SICE 	2446.0241 	ocean 	GISS	0.34	7194.18
T 	 21.7853 	zonal 	ERA40	38.89	0.56
U 	  2.7183 	zonal 	ERA40	12.07	0.22
V 	  2.1068 	zonal 	ERA40	8.25	0.25
Q 	 23.1145 	zonal 	ERA40	29.41	0.78

Total Performance Index is : 554.2107
Partial PI (atm only) is   : 0.5157