Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(rain)                          34.54           0.00         0.3692         1.0000              3          28.54
psi(.),p(.)                             34.58           0.04         0.3619         0.9802              2          30.58
psi(gully),p(rain)                      36.54           2.00         0.1358         0.3679              4          28.54
psi(gully),p(.)                         36.58           2.04         0.1331         0.3606              3          30.58
