Tuesday, November 15, 2016

Herschel's Weather Table

This comes from Houghtaling's Handbook ©1887

Herschel's Weather-table for foretelling the Weather, throughout each year, forever

This Table and the accompanying remarks are the result of many years' observation, the whole being constructed on a due consideration of the attraction of the Sun and Moon, in their several positions repspecting the Earth, and will by simply inspection, show the ovserver what kind of weather will most probably follow the entrance of the Moon into any of its quarters, and that so near the truth as to be seldom or never found to fail.

The Chart

Observations 1. The nearer the time of the Moon's change, first quarter, full and last quarter are to Midnight the fairer will be the weather during the next seven days, 2. The space for this calculation occupies from ten at night till two next morning. 3. The nearer to Midday or Noon the phases or the Moon happens, 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 effect Spring and Autumn nearly the same ratio. 5. The Moon's change, first quarter, full and last quarter, happening during six of the afternoon house, 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 Winter, and the beginning of Spring, yet in the main the above observations wil apply to those periods also. 7. To prognosticate correctly, where the Wind is concerned, a Vane should be in sight.

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