THE "WEATHEE,

Southland Times, Issue 551, 31 August 1866, Page 2

THE "WEATHEE,

JUNE AND JULY, 1866. For more than three months we have had magnificent weather, only intermingled by the great storms of .June 21 aiid 28 The first was a magnetic tempest of the usual rotatory character, preceded by a fall of an inch and a tenth in the borometer in less than eighteen hours. The gale w_s very fctrong, first N. and then W., with an intervening calm at the vortex of the eyelone, when the borometer rose, and had increased an inch and a quarter by the following night. The general velocity of the gale was 40 to 45 miles an hour; but in th_ squalls after, as great as 60, and once or twice s o*.er 70 miles au hour. The

JJn issure varied from 15 to 20 lbs to tho square 1 0( >t. On the second oocasion, the depression ot th c barometer was most remarkable; it was as lo*i vas 28.61 inches. The storm was a very severe on c; but was infinitely more violent and destructivi 3 in other parts of New Zealand and far out at sea, • On the night of the 30th of June the wind b!e-\ r with a force of 18 lbs. to the square foot; a ver} * high tide accompanied it. It was also atte* ided with a great d jul of thunder and light ning, and also snow, sleet and rain. Ji ily was one of the finest months we have ever had •; from the 2nd to the 31st thore was only one unfa Forable day; on that occasion a S.E. breeze was .- iccompanied by 24 hours incessant rain. On the i following day tho easterly winds (the almost totaJl absence of which, during the last nine months, has 1 )een the chief peculiarity of the season, and undc -übtedly the cause of the uuusually bad weat Her) set in, with brilhaut days and frosty night 6 ; —no severe frost occurred, the greatest cold i rvas 20.1 deg. In June there was only one sharp frost, in fact, tho winter, although colder than that of 18G5, has been a very mild and remarks -bly fine one. A vi **ry smart shock of an earthquake occurred on the 9th of June, at 8.43 a.m., and another on the 2C )th of July, at 10.5 p.m.; tho former was attended with the usual meteorological and electri' *al phenomena; tho latter had no accompanying peculiarities of weather, excepting the masses of white vapor near the surface of the ground, and the fantastic appearance of the clouds, wliich appear the invariable companions of an earthquake. The following are the readings of the instruments for the months of June and July, and coinprative tables of the same months in eight years. June Barometer —Mean pressure (corrected and reduced), 29.724 inches -, maximum, 30.56 inches on the 18th ; minimum, 28.61 inches on the 27th ; total range of atmospheric pressure, 1.94 inches — the largest I have ever recorded, —it only extended over nine days. The barometer stood above 30 inches on fourteen days in the month, and below 29 inches on four days. Thcmaometer —Mean temperature of the air, 44.1 deg.; 2.8 deg. above the averayo of seven years ; maximum, 62.4 deg. on 25th; minimum, 21.1 de*.r- on the previous day —the total range of temperature was 41.3 deg., which occurred within 24 hours ; mean daily range, 19 2 deg. Hygrom. Titer —Mean degree of humidity, .86 ; temperature of evaporation, 42.4 cleg. : dew-point, 40.1 deg.; elastic force of vapor, 0.286 inches. j Radiation —Solar maximum, 74.4 deg.; terres- ! terial minißaura, 19 deg. Rainfall —On surface of ground, 5.535 inches. Evaporation —On surface of ground, 0.879 inches. Cloud —Mean amount, 6.2 (overcast, 10). Wind —Mean force, 3.4 —(1 —12). Anemometer —Mean diurnal movement of wind, 132 miles ; greatest amount in the 24 hours, 730 miles ; greatest velocity, 70 miles per hour (N. on 21st, W. on 22nd) ; greatest pressure, 23 lbs. to the square foot.

JULY. Barometer—Mean pressure (corrected and reduced;, 30.027 inches ; maximum, 30.499 on the 3rd ; v minimum, 29.086 on the 29th ; range, 1.413 inches. The barometer stood above 30 inches on fifteen days in the month. Thermometer—Mean temperature of the air, 40.4 deg, which is neither more nor less than the average of seven years ; maximum, 63.3 deg. on tho Sth (the highest yet recorded in July) ; minimum, 20.1 deg. on the 25th; total range, 12.2 deg.; mean daily range, 16.6 deg. Hygrometer—Mean degree of humidity, *83 • temperature of conformation, 38.3 deg.; dew-point, 35.9 deg.; elastic force of vapour, 0.206 inch. Radiation—Solar maximum, 79 deg. on 9th; terrestrial minimum, 17.1 deg. on 28th. Amount of Evaporation —2.091; very nearly the same as the precipitation. The large amount for a winter month was due to the strong dry easterly winds which prevailed. Cloud—Mean amount 4.6 (overcast, 10.0). J Wind—Mean force, 2.1—(1—12). Anemometer — Mean diurnal movement of wind, 91 miles ; greatest, 442 miles (E. on 22nd) ; greatest velocity, 62 miles per hour (W. on Ist) ; maximum lbs.

tl CHAELES EOUS MAETEN", ai Director of Meteorological Stations. n< Marfcendale, Southland, August 9th, 1866. . IB

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