Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v370 2055 2055

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 29.5222 	land 	CRU	25.13	1.17
msl 	  1.7730 	global 	COADS	11.69	0.15
qnet 	 19.9303 	ocean 	OAFLUX	14.24	1.39
tp 	 47.9995 	global 	CMAP	38.87	1.23
ewss 	  8.1402 	ocean 	DASILVA	4.03	2.01
nsss 	  5.7852 	ocean 	DASILVA	3.10	1.86
SST 	 87.2409 	ocean 	GISS	17.21	5.06
SSS 	  0.2146 	ocean 	levitus	0.22	0.97
SICE 	994.7759 	ocean 	GISS	0.34	2925.81
T 	 71.4125 	zonal 	ERA40	38.89	1.83
U 	  3.2447 	zonal 	ERA40	12.07	0.26
V 	  2.5790 	zonal 	ERA40	8.25	0.31
Q 	 47.5586 	zonal 	ERA40	29.41	1.61

Total Performance Index is : 226.4353
Partial PI (atm only) is   : 0.9371

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v370 2055 2055

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 19.8067 	land 	CRU	25.13	0.78
msl 	  1.7730 	global 	COADS	11.69	0.15
qnet 	 18.7345 	ocean 	OAFLUX	14.24	1.31
tp 	 47.9995 	global 	CMAP	38.87	1.23
ewss 	  8.6102 	ocean 	DASILVA	4.03	2.13
nsss 	  4.9568 	ocean 	DASILVA	3.10	1.59
SST 	 87.2409 	ocean 	GISS	17.21	5.06
SSS 	  0.2146 	ocean 	levitus	0.22	0.97
SICE 	994.7759 	ocean 	GISS	0.34	2925.81
T 	 71.3176 	zonal 	ERA40	38.89	1.83
U 	  3.1174 	zonal 	ERA40	12.07	0.25
V 	  2.4803 	zonal 	ERA40	8.25	0.30
Q 	 44.0319 	zonal 	ERA40	29.41	1.49

Total Performance Index is : 226.3769
Partial PI (atm only) is   : 0.8614