Fog on the hill
Brings water to the mill.
Fog in the vale,
Catch all the water in a pail.
Massachusetts.

Fog on the hill
Brings water to the mill.
Fog in the vale,
Catch all the water in a pail.
Source: Current Superstitions (1896), entry 1013.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.