Performance Indices - Reichler and Kim 2008 - CDO version
OLD VERSION: minor errors in the code
c126 2025 2025

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 15.5646 	land 	CRU	25.13	0.61
msl 	  1.9306 	global 	COADS	11.69	0.16
qnet 	 19.6704 	ocean 	OAFLUX	14.24	1.38
tp 	 38.4913 	global 	CMAP	38.87	0.99
ewss 	  8.1888 	ocean 	DASILVA	4.03	2.03
nsss 	  5.9146 	ocean 	DASILVA	3.10	1.90
SST 	 46.6815 	ocean 	GISS	17.21	2.71
SSS 	  0.1470 	ocean 	levitus	0.22	0.66
SICE 	1902.5773 	ocean 	GISS	0.34	5595.81
T 	 34.1752 	zonal 	ERA40	38.89	0.87
U 	  3.0864 	zonal 	ERA40	12.07	0.25
V 	  2.5751 	zonal 	ERA40	8.25	0.31
Q 	 28.0838 	zonal 	ERA40	29.41	0.95

Total Performance Index is : 431.4330
Partial PI (atm only) is   : 0.5914

Performance Indices - Reichler and Kim 2008 - CDO version
NEW VERSION: windstress, land-sea masks and 100hpa corrections
c126 2025 2025

Field 		PI 	Domain	Dataset	CMIP3	RatioCMIP3
t2m 	 11.6468 	land 	CRU	25.13	0.46
msl 	  1.9306 	global 	COADS	11.69	0.16
qnet 	 18.4996 	ocean 	OAFLUX	14.24	1.29
tp 	 38.4913 	global 	CMAP	38.87	0.99
ewss 	  8.9937 	ocean 	DASILVA	4.03	2.23
nsss 	  5.3113 	ocean 	DASILVA	3.10	1.71
SST 	 46.6815 	ocean 	GISS	17.21	2.71
SSS 	  0.1470 	ocean 	levitus	0.22	0.66
SICE 	1902.5773 	ocean 	GISS	0.34	5595.81
T 	 33.8091 	zonal 	ERA40	38.89	0.86
U 	  2.9808 	zonal 	ERA40	12.07	0.24
V 	  2.4769 	zonal 	ERA40	8.25	0.30
Q 	 22.7945 	zonal 	ERA40	29.41	0.77

Total Performance Index is : 431.3992
Partial PI (atm only) is   : 0.5400