If It Begins To Rain An Hour Or Two Before Sun Rising
If it begins to rain an Hour or two before Sun-rising, it is like to
be fair before Noon, and so continue that Day, but if the Rain
begin an Hour or two after Sun-rising, it is like to Rain all that
Day, except the Rainbow be seen before it rains.
THIS is a short, clear, and easy Observation, and therefore I shall not
dwell long upon it, but rather entertain the Reader with a few
Observations on the Rainb
w. Whenever it appears, things are thus
circumstanced. The Spectator has the Sun behind him, and Clouds with
the Bow in them before him. Sometimes there are two and even three Bows
seen, but this is very rare. The Colours in the Bow are ranged in this
Order, viz. Violet, Purple, Blue, Green, Yellow, Orange, Red. After a
long Drought the Bow is a certain Sign of Rain, if after much Wet fair
Weather. If the Green be large and bright it is a Sign of Rain, but if
the Red be the strongest Colour, then it denotes Wind and Rain
together. If the Bow breaks up all at once there will follow serene and
settled Weather. If the Bow be seen in the Morning small Rain will
follow. If at Noon, settled and heavy Rains; if at Night, fair Weather.
The Appearance of two or three Rainbows shews fair Weather for the
present, but settled and heavy Rains in two or three Days' Time.
LUNAR Rainbows are sometimes, but very seldom seen, they are extremely
beautiful, but much less than those that appear in the Day time, and a
yellow, or rather a straw Colour prevails most. As they happen so
seldom, they cannot well be reckoned amongst the Signs of Weather. But
now, after speaking of so many different Methods of judging when rainy
Weather will be of a short or long Continuance: Give me leave to
describe two or three Instruments easily made, which will shew the
Alterations of the Weather certainly, constantly, and early enough for
most Uses.
THERE were some Years ago a Sort of Toys sold, with a Man and a Woman
so fixed before the Door of a House, that at the Approach of wet
Weather the Woman entered it, and when the Weather grew fair the Man.
This was done by the Help of a Bit of Catgut, which shrinks in wet
Weather, and stretches again when it is fair. This appears better by a
Line and Plummet, especially if the Line be made of good Whipcord, that
is well dried, for then if it be hung against a Wainscot, and a Line
drawn under it exactly where the Plummet reaches, in very moderate
Weather it will be found to rise above it before Rain, and to sink
below when the Weather is like to become fair; but the best Instrument
of all is a good Pair of Scales, in one of which let there be a brass
Weight of a Pound, and in the other a Pound of Salt, or of Salt-Petre
well dried, a Stand being placed under the Scale, so as to hinder its
falling too low. When it is inclined to rain the Salt will swell, and
sink the Scale, when the Weather is growing fair, the brass Weight will
regain its Ascendancy.