Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
chis 1856 1856

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 28.5574 	land 	CRU	25.13	1.13
msl 	  2.7132 	global 	COADS	11.69	0.23
qnet 	 21.1019 	ocean 	OAFLUX	14.24	1.48
tp 	 37.2098 	global 	CMAP	38.87	0.95
ewss 	  8.8113 	ocean 	DASILVA	4.03	2.18
nsss 	  6.2493 	ocean 	DASILVA	3.10	2.01
SST 	 24.6861 	ocean 	GISS	17.21	1.43
SSS 	  0.1556 	ocean 	levitus	0.22	0.70
SICE 	2714.8709 	ocean 	GISS	0.34	7984.91
T 	 24.0393 	zonal 	ERA40	38.89	0.61
U 	  3.1025 	zonal 	ERA40	12.07	0.25
V 	  2.3881 	zonal 	ERA40	8.25	0.28
Q 	 32.5754 	zonal 	ERA40	29.41	1.10

Total Performance Index is : 615.1738
Partial PI (atm only) is   : 0.6500

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
chis 1856 1856

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 28.6418 	land 	CRU	25.13	1.13
msl 	  2.7132 	global 	COADS	11.69	0.23
qnet 	 19.9452 	ocean 	OAFLUX	14.24	1.40
tp 	 37.2098 	global 	CMAP	38.87	0.95
ewss 	  9.6693 	ocean 	DASILVA	4.03	2.39
nsss 	  5.6404 	ocean 	DASILVA	3.10	1.81
SST 	 24.6861 	ocean 	GISS	17.21	1.43
SSS 	  0.1556 	ocean 	levitus	0.22	0.70
SICE 	2714.8709 	ocean 	GISS	0.34	7984.91
T 	 21.8274 	zonal 	ERA40	38.89	0.56
U 	  2.8213 	zonal 	ERA40	12.07	0.23
V 	  2.2501 	zonal 	ERA40	8.25	0.27
Q 	 25.2305 	zonal 	ERA40	29.41	0.85

Total Performance Index is : 615.1430
Partial PI (atm only) is   : 0.6028