Table 2. Final model of 2003 WNv cases as a function of climate and land cover/land use.

Variable	Parameter	95% Bayesian credible interval
		5%	95%
Intercept	−7.917	−8.132	−7.690
t	0.877	0.608	1.149
p	−0.695	−1.212	−0.147
p 2	−0.409	−0.629	−0.204
irrigated	0.337	0.194	0.483
prural	0.206	0.128	0.284
wetland	0.002	−0.158	0.162
σρ	0.504	0.400	0.623
DIC	2007.4

t = mean May–July temperature from 1971–2000, p = total May–July precipitation from 1971–2000, irrigated = percent area of irrigated cropland, prural = percent of the population living in rural areas, wetland = percent area of wetlands, σ_ρ = standard deviation of the spatial random effect.