ange of values is now 0-2, up from 0-1.85, based
on the range of the new version of CCI values overall.</li>
<li>CHANGED: The prediction value for <code>effort_distance_km</code> is
now 2 km, to more closely reflect the distribution of checklists and to
increase overall signal.</li>
<li>CHANGED: weather optimization arise now done for relative abundance,
not occurrence.</li>
<li>CHANGED: PD maximization of solar_noon_diff allows the full range of
quantiles to allow selection of the highest and lowest quanti