as for the rain] As the dry earth waiteth for the rain, Psalms 63:1. and Psalms 65:10.
they opened their mouth wide] As the earth gapeth in a drought, Proverbs 30:16.
for the latter rain] The latter rain was rare, but desirable to ripen the corn: or, after harvest to bring up the latter crop, Jeremiah 5:24. Deuteronomy 11:14.