'Raining' in the Bible

Less than three days later, all of the men of Judah and Benjamin gathered together on the twentieth day of the ninth month. Everyone sat in the plaza of the Temple of God, trembling because of everything that was happening, and also because it was raining heavily.

However, many people are involved, and it's raining heavily. Furthermore, this is not just a matter of a day or two of work, because many of us have sinned in this.