This hypothesis appears supported by the type of animals in these rains: small and light, usually aquatic.

A small rain began to fall, smearing the lights.

The small rain died and the moon grew brighter.

We did sleep, but 1 was woken long before dawn by a small rain.

Night was closing in, and a small fine rain was beginning to fall.

Every one was caught in it and the small rain would not quiet it.

The third night of my watch was dark and dirty, with a small driving rain.

The small rain seemed to let up a bit, though the room stayed dark as an eclipse.

A small dismal rain began to fall, veiling the lights.

Darkness fell, helped by a run of clouds from the southwest and a small rain.