729. The symbolism of rainfall as the trials themselves can be seen from the remarks and supporting quotations introducing this chapter [§705]. They showed that a flood or a deluge of water — which is what this rain was — symbolizes not only trials but also devastation. The meaning will also be clear from what is said about the Flood in the sections to follow.
Numbers 14:33-34
33
And your children shall wander in the wilderness forty years, and bear your whoredoms, until your carcases be wasted in the wilderness.
34
After the number of the days in which ye searched the land, even forty days, each day for a year, shall ye bear your iniquities, even forty years, and ye shall know my breach of promise.