Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1931 1931

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	230.4686 	land 	CRU	25.13	9.17
msl 	  2.5551 	global 	COADS	11.69	0.21
qnet 	 20.8064 	ocean 	OAFLUX	14.24	1.46
tp 	 68.3033 	global 	CMAP	38.87	1.75
ewss 	  8.9174 	ocean 	DASILVA	4.03	2.21
nsss 	  7.7977 	ocean 	DASILVA	3.10	2.51
SST 	334.8505 	ocean 	GISS	17.21	19.45
SSS 	  0.3123 	ocean 	levitus	0.22	1.41
SICE 	 43.9442 	ocean 	GISS	0.34	129.24
T 	432.8975 	zonal 	ERA40	38.89	11.13
U 	  7.1422 	zonal 	ERA40	12.07	0.59
V 	  3.1837 	zonal 	ERA40	8.25	0.38
Q 	404.3892 	zonal 	ERA40	29.41	13.75

Total Performance Index is : 14.8661
Partial PI (atm only) is   : 5.2828

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1931 1931

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	179.1348 	land 	CRU	25.13	7.12
msl 	  2.5551 	global 	COADS	11.69	0.21
qnet 	 19.6911 	ocean 	OAFLUX	14.24	1.38
tp 	 68.3033 	global 	CMAP	38.87	1.75
ewss 	  9.4976 	ocean 	DASILVA	4.03	2.35
nsss 	  6.6928 	ocean 	DASILVA	3.10	2.15
SST 	334.8505 	ocean 	GISS	17.21	19.45
SSS 	  0.3123 	ocean 	levitus	0.22	1.41
SICE 	 43.9442 	ocean 	GISS	0.34	129.24
T 	431.8744 	zonal 	ERA40	38.89	11.10
U 	  6.1558 	zonal 	ERA40	12.07	0.51
V 	  3.0671 	zonal 	ERA40	8.25	0.37
Q 	402.2854 	zonal 	ERA40	29.41	13.67

Total Performance Index is : 14.6700
Partial PI (atm only) is   : 4.9614