Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
v245 2023 2023

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 16.6411 	land 	CRU	25.13	0.66
msl 	  1.6691 	global 	COADS	11.69	0.14
qnet 	 20.1395 	ocean 	OAFLUX	14.24	1.41
tp 	 51.0501 	global 	CMAP	38.87	1.31
ewss 	  7.9550 	ocean 	DASILVA	4.03	1.97
nsss 	  5.5413 	ocean 	DASILVA	3.10	1.78
SST 	 47.4266 	ocean 	GISS	17.21	2.75
SSS 	  0.1525 	ocean 	levitus	0.22	0.69
SICE 	1701.2620 	ocean 	GISS	0.34	5003.71
T 	 29.3337 	zonal 	ERA40	38.89	0.75
U 	  2.6953 	zonal 	ERA40	12.07	0.22
V 	  2.2552 	zonal 	ERA40	8.25	0.27
Q 	 25.1792 	zonal 	ERA40	29.41	0.85

Total Performance Index is : 385.8853
Partial PI (atm only) is   : 0.6000

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
v245 2023 2023

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.9640 	land 	CRU	25.13	0.47
msl 	  1.6691 	global 	COADS	11.69	0.14
qnet 	 18.9478 	ocean 	OAFLUX	14.24	1.33
tp 	 51.0501 	global 	CMAP	38.87	1.31
ewss 	  8.2661 	ocean 	DASILVA	4.03	2.05
nsss 	  4.7788 	ocean 	DASILVA	3.10	1.54
SST 	 47.4266 	ocean 	GISS	17.21	2.75
SSS 	  0.1525 	ocean 	levitus	0.22	0.69
SICE 	1701.2620 	ocean 	GISS	0.34	5003.71
T 	 28.9112 	zonal 	ERA40	38.89	0.74
U 	  2.5389 	zonal 	ERA40	12.07	0.21
V 	  2.1583 	zonal 	ERA40	8.25	0.26
Q 	 20.1115 	zonal 	ERA40	29.41	0.68

Total Performance Index is : 385.8369
Partial PI (atm only) is   : 0.5442