Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c4co 1912 1912

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	213.1575 	land 	CRU	25.13	8.48
msl 	  2.6731 	global 	COADS	11.69	0.22
qnet 	 20.9176 	ocean 	OAFLUX	14.24	1.46
tp 	 61.3952 	global 	CMAP	38.87	1.57
ewss 	  8.6655 	ocean 	DASILVA	4.03	2.15
nsss 	  6.3530 	ocean 	DASILVA	3.10	2.04
SST 	308.1671 	ocean 	GISS	17.21	17.90
SSS 	  0.3111 	ocean 	levitus	0.22	1.41
SICE 	123.8952 	ocean 	GISS	0.34	364.39
T 	403.9609 	zonal 	ERA40	38.89	10.38
U 	  6.5704 	zonal 	ERA40	12.07	0.54
V 	  4.1060 	zonal 	ERA40	8.25	0.49
Q 	358.8506 	zonal 	ERA40	29.41	12.20

Total Performance Index is : 32.5561
Partial PI (atm only) is   : 4.8400

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c4co 1912 1912

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	166.8139 	land 	CRU	25.13	6.63
msl 	  2.6731 	global 	COADS	11.69	0.22
qnet 	 19.8234 	ocean 	OAFLUX	14.24	1.39
tp 	 61.3952 	global 	CMAP	38.87	1.57
ewss 	  9.7075 	ocean 	DASILVA	4.03	2.40
nsss 	  5.3220 	ocean 	DASILVA	3.10	1.71
SST 	308.1671 	ocean 	GISS	17.21	17.90
SSS 	  0.3111 	ocean 	levitus	0.22	1.41
SICE 	123.8952 	ocean 	GISS	0.34	364.39
T 	402.8753 	zonal 	ERA40	38.89	10.35
U 	  5.4714 	zonal 	ERA40	12.07	0.45
V 	  4.0100 	zonal 	ERA40	8.25	0.48
Q 	356.6159 	zonal 	ERA40	29.41	12.12

Total Performance Index is : 32.3861
Partial PI (atm only) is   : 4.5457