Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c370 2025 2025

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 17.2647 	land 	CRU	25.13	0.68
msl 	  2.9631 	global 	COADS	11.69	0.25
qnet 	 20.3240 	ocean 	OAFLUX	14.24	1.42
tp 	 36.0907 	global 	CMAP	38.87	0.92
ewss 	  9.1626 	ocean 	DASILVA	4.03	2.27
nsss 	  5.8815 	ocean 	DASILVA	3.10	1.89
SST 	 53.0563 	ocean 	GISS	17.21	3.08
SSS 	  0.1562 	ocean 	levitus	0.22	0.71
SICE 	1538.8856 	ocean 	GISS	0.34	4526.13
T 	 39.7440 	zonal 	ERA40	38.89	1.02
U 	  2.9203 	zonal 	ERA40	12.07	0.24
V 	  2.1981 	zonal 	ERA40	8.25	0.26
Q 	 31.3431 	zonal 	ERA40	29.41	1.06

Total Performance Index is : 349.2253
Partial PI (atm only) is   : 0.6328

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c370 2025 2025

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.4424 	land 	CRU	25.13	0.45
msl 	  2.9631 	global 	COADS	11.69	0.25
qnet 	 19.1602 	ocean 	OAFLUX	14.24	1.34
tp 	 36.0907 	global 	CMAP	38.87	0.92
ewss 	 10.3773 	ocean 	DASILVA	4.03	2.57
nsss 	  5.6872 	ocean 	DASILVA	3.10	1.83
SST 	 53.0563 	ocean 	GISS	17.21	3.08
SSS 	  0.1562 	ocean 	levitus	0.22	0.71
SICE 	1538.8856 	ocean 	GISS	0.34	4526.13
T 	 39.3785 	zonal 	ERA40	38.89	1.01
U 	  2.8458 	zonal 	ERA40	12.07	0.23
V 	  2.1058 	zonal 	ERA40	8.25	0.25
Q 	 26.4741 	zonal 	ERA40	29.41	0.90

Total Performance Index is : 349.2053
Partial PI (atm only) is   : 0.5728