Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
vaaa 1986 1986

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 20.0225 	land 	CRU	25.13	0.79
msl 	  1.6807 	global 	COADS	11.69	0.14
qnet 	 19.4824 	ocean 	OAFLUX	14.24	1.36
tp 	 24.4651 	global 	CMAP	38.87	0.62
ewss 	 10.5819 	ocean 	DASILVA	4.03	2.62
nsss 	  4.9824 	ocean 	DASILVA	3.10	1.60
T 	  9.3669 	zonal 	ERA40	38.89	0.24
U 	  3.3113 	zonal 	ERA40	12.07	0.27
V 	  2.3541 	zonal 	ERA40	8.25	0.28
Q 	 21.6536 	zonal 	ERA40	29.41	0.73

Total Performance Index is : 3.4346
Partial PI (atm only) is   : 5.4685

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
vaaa 1986 1986

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 18.6330 	land 	CRU	25.13	0.74
msl 	  1.6807 	global 	COADS	11.69	0.14
qnet 	 18.2725 	ocean 	OAFLUX	14.24	1.28
tp 	 24.4651 	global 	CMAP	38.87	0.62
ewss 	 11.5977 	ocean 	DASILVA	4.03	2.87
nsss 	  4.3719 	ocean 	DASILVA	3.10	1.41
SST 	  4.3719 	ocean 	GISS	17.21	0
SSS 	  4.3719 	ocean 	levitus	0.22	0
SICE 	  4.3719 	ocean 	GISS	0.34	0
T 	  8.3705 	zonal 	ERA40	38.89	0.21
U 	  3.0692 	zonal 	ERA40	12.07	0.25
V 	  2.2235 	zonal 	ERA40	8.25	0.26
Q 	 15.0701 	zonal 	ERA40	29.41	0.51

Total Performance Index is : 0.6376
Partial PI (atm only) is   : 0.3900