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Meteorological Journal kept at London.

Hygrometer.

Weather.

Degrees of Dryness

by Leslie's Hygrometer.

DECEMBER.

Thermometer at

Barometer at

Days of the

Month.
8 o'clock Morning
9 o'clock Morning.

11 o'clock Night.
i 9 o'Clock Night.

| Highest in the Day. Lowest in the Night. Noon.

9 o'clock Morning

noon.

81 o'Clock After

1 41 42 43 38 36 4532 29.30 29.31 232374137|334333 29.69 .72 3373843 47 43 47 43 29.92

.56 4434458413747371 29.50 .41 535 38 43 43 37 44 42 29.88 .95 646 47 49 52 47 5350 30.02 .92 74754 49 444054371 29.84 .95 84013944 45 41 47 42 30.24 30.02

9 46 45 49 52 46 5244 29.66 29.40 1046 45 4841 44 46 36 29.18 .19 11 40 384340 39 4537 29.37 .45 12142 46 47 41 3946 36 28.96 28.95 13 38 40 42 36 3942 32 29.20 29.18 14|33|34|39|36|41 42 36 29.40 .41 1540 40 42 36 36 43|33 28.76 28.80 16|33 3538 41 38 4338 28.83 .80 17 38 34 3942 4044 39 28.68 .31 18 40 40 40 44 40 44 37 28.32 .50 19 40 41 44 42 4043371 29.28 | 29.30 |20|39|3944 42/384435 29.75

.70 121 38 36434038 43371 29.75 .78 22 38/394341 40 44 371 29.95

.90 123 35 38 39 39 3641132 29.90 .89 124 35 3439 35 39|38|31 29.83

.79 25 35 37 41 44/4044 36 30.00 .90 126 39 39 40 41 40 42 36 29.76 .82 2743 40 3941 38 4335 29.80 .82 28 35 37 38 38 3845 35 30.07 30.05 2943 44 47 46 43 48 39 29.75 29.53 130434246 47 44 4843 29.74 .70 31 474850 4746_5044 29.94 .90

21

Fair. 18

Ditto. 15

Ditto. 20

Ditto. 26

Ditto. 6

Cloudy. 10

Stormy. 24

Fair. 7

Showery. 16

Fair. 24

Ditto. 10

Stormy. 7

Ditto. 10 Fair, violent storm at night. 5

Showery. 5

Fair. 0

Small rain. 0

Rain. 15

Cloudy. 18

Fair. 18

Ditto. 5

Ditto. 6

Foggy.

Small fall of snow. 5

Cloudy.

Rain.

Ditto. 10

Fair. 0

Rain. 15

Cloudy. 12

Ditto.

EXPLANATION OF THE PRECEDING JOURNAL.

The observations in the preceding not more universally used in meteorjournal were made by two celebrated ological observations, as well as for opticians, Mr John Carey and Mr various other purposes to which it is Robert Bancks. To the first of applicable. But, even among men these gentlemen we owe the observa- of science, there is a prejudice against tions contained in col. 2, 4, 6, 10, 12; new inventions, which nothing but and to the second, the observations time and necessity can overcome. recorded in col. 3, 5, 7, 8, 9, 11. The instruments which are at present The journal kept by Mr Carey is the in use for ascertaining the humidity first in which the dryness of the air of the atmosphere, are completely has been determined by Mr Leslie's fallacious, and ought long ago to hygrometer, the only instrument of have been superseded by the ingenious the kind in which any confidence can instrument with which Mr Leslie has be placed. It is much to be regret: enriched philosophy and the arts. Led that this valuable instrument is

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METEOROLOGICAL OBSERVATIONS, &c.

FOR THE YEAR 1809.

be seen.

JANUARY.

having fallen on the 29th, the snow

was so rapidly dissolved, that all the On the morning of Wednesday the level parts of the country were laid 18th of January, the shock of an under water. The devastation comearthquake was distinctly felt at Al- mitted in the south of England by loa, in Scotland, and the noise and tre- this sudden thaw was unusually mulous motion were very perceptible great. The views upon the Thames along the base of the Ochil Hills. from Henley to London were the

Sunday the 22d of this month was most interesting that could possibly one of the coldest days in the memo

To the writer of this arti. ry of the present generation. At 8 cle, who was then travelling from o'clock in the morning, the thermo- Oxford to London, the whole course meter in Edinburgh stood at 11o. of the river had the appearance of a At a short distance from town, the succession of the finest lakes, arranmercury stood so low as 8°; and in ged in the most picturesque manner, Queen street, which faces the north, On the last day of this month, and it was observed at 8°. In the even- on the 1st of February, the shocks of ing, it was perceived as low as 5o at an earthquake were distinctly felt Foxhall, about 8 miles west of Edin- in the West Highlands, particularly burgh. The large wet dock at at Arisaig and Moidart. Leith, though filled with salt water, On the 30th of January, at 2 o'. was so completely frozen over, that clock p. m., there was a fall of me. the sailors went upon the ice from teoric stones in Caswell county, New one ship to another. On the 22d, Connecticut. Their descent was disthe thermometer in London fell to tinctly perceived for a considerable 21°, which was its lowest position in distance round, and two reports were the month of January. The intense heard at Hillsborough, a distance of cold began to abate on the 26th. 30 miles. A fragment, weighing a On the 27th, the mercury in the pound and three-quarters, struck a thermometer rose 15° above the free tree where some wood.cutters were at zing point, and heavy showers of rain work: They immediately ran home,

METEOROLOGICAL OBSERVATIONS.

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it, being encouraged by a woman

May. rexamine the place, they returned ith her, and brought away the stone, On the 9th of this month, swallows hich was still hot. It was ferrugin. were observed near Edinburgh, and us, porous, and of a dark brown co- swifts and martins on the 16th. On

the 17th, explosions of thunder were FEBRUARY.

heard at Edinburgh for the first time

this season, and they were repeated Very high winds prevailed from on the 21st. he 16th to the 20th of this month, On the 2d of May there was a good slowing from the west and from the deal of hail in London in the forenoon, south-west.

which was followed by lightening and On the 19th at London, the moon thunder. On the evening of the 14th, was encircled with a beautiful halo. at 11 o'clock, lightening was again

observed ; and on the evening of the MARCH.

17th, the lightening at London was

accompanied with a high wind, and On the 1st of March, the moon with a sultry heat. On the afterwas encircled with a

very

fine halo. noon of the 19th, there was at LonVegetation was about six weeks ear- don a tremendous storm of thunder, lier in the beginning of March, than lightening, and heavy rain. it was in the year 1808.

On the afternoon of the 28th of On the 30th of the month the haw. May, a very sudden diminution of thorn hedges had begun to put out temperature was experienced in Edin. their buds.

burgh. On the 29th, a heavy fall
of snow and hail commenced, and

continued at intervals on the 30th and
APRIL

31st, so as to cover the ground to the Vegetation, which was advancing depth of a foot and a half in some with such rapidity, received a severe places. shock from the sharp frosts between

JUNE. the 3d and 5th of this month. On the 27th, snow fell in a considerable Violent rains and strong easterly quantity, and the continuance of the winds succeeded the late storm of nocturnal frosts through the greater hail and snow, and produced great part of the month destroyed the blos- havock in the gardens. soms of several fruit-trees, and

JULY. shrivelled appearance to the young leaves of many shrubs and flowers. There was a storm of thunder,

On the evening of the 13th of lightening, and heavy rain, at LonApril, at 9 o'clock, there was a good don, at 2 o'clock p. m. on the 4th, dealoflightening observed in London. the thermometer retiring 4o. A siNext morning, at half an hour past 6 milar storm took place on the 9th, at o'clock, there was a good deal of 11 o'clock at night, and also on the thunder, and at 1 o'clock of the same evenings of the 25th and 26th. day hail and lightening came on.

AUGUST. Towards the end of the month there were several great falls of snow. On the 3d of this month, at half

gave a

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