1. The nearer the time of the moon's change, first quarter, full and last quarter, are to midnight, the fairer will the weather be during the seven days following.
2. The space for this calculation occupies from ten at night till two next morning.
3. The nearer to midday, or noon, the phases of the moon happen, the more foul or wet weather may be expected during the next seven days.
4. The space for this calculation occupies from ten in the forenoon to two in the afternoon. These observations refer principally to the summer, though they affect spring and autumn nearly in the same ratio.
6. The moon's change, first quarter, full and last quarter, happening during six of the afternoon hours, i. e. from four to ten, may be followed by fair weather; but this is mostly dependent on the wind, as is noted in the table.
6. Though the weather, from a variety of irregular causes, is more uncertain in the latter part of autumn, the whole of Ht s the beginning of spring, yet, in the main, the above observations will apply to those periods also.
7. To prognosticate correctly, especially in those cases where the wind in concerned, the observer should tw within sight of a good vane, where the four cardinal points of the heavens are correctly placed.
Source: The Farmer's Almanack ©1841