In its western part, a forest occupies almost 6 percent of the land, receiving rainfall of between 27 and 43 inches [700 to 1,100 mm] annually.
Rietumu daļā, kur nokrišņu daudzums sasniedz 700 līdz 1100 milimetru gadā, zaļo mežs, kas aizņem gandrīz 6 procentus teritorijas.