THE WEATHER.

Southland Times, Issue 552, 3 September 1866, Page 2

THE WEATHER.

JUNE AND JULY, 1866. For more than three months we have had magnificent weather, only intermingled by the great storms of June 21 and 28 The first was a magnetic U-mp ***f of the usual rotatory character, preceded by a fall of an inch and a tenth in the borometcr in lees than eighteen hours. The nale was very strong, firat N. and then W., with an intervening culm at the vortex of the cyclone, when tiie borometcr rose, and bad increased an inch and a quarter by the following ni^ht Tho general velocity of Uio gale was -iO to 45iniki an hour; bat in thai squalls after, as great as 60, •ad ©aw or iwic-t ©w 70 miki aa Jwur. IJm

{ive&sure varied from 15 to 20 lbs io the rquare j foot, ('U the se»dr.d occasion, the depression oF i the barometer was moat remarkable j ifc waa as low a* 28.61 inches. The storm Was a vety severe one j but was infinitely more violent and destrue- ' tiro in other parts of New Zealand and tar out at sea. On the night of the 30ih of June the wnd blew with a force of 18 ibs. to tho square foot ; a very hi^h tide accompanied it. ft waa also attended with a great d ul of thunder and j lightning, and also snow, sleet and rain. July was one of tlie finest months wo have ever had ; from the 2nd to the 31st there was only one i unfavorable day ; on that occasion aS. li!. breeze wus accompanied by 21 hours incessant mm. On the following day the easterly winds (the almost total al-sence of which, during the last nine mom hs hi., be*** the < hief peculiarity ot* the season, and undoubieaij th*" cause of the unusually bad weather) set in, with brilliant days nnd frosn nights; — no severe frost spurred, the gre test cold was 20.1 deg. In Jatib ihere was only one sharp frost, in fact, the winter, althouah colder than that of 1885, has been a very milo. And Temarkably fine one. A very smart shock of an earthquake occurred on tbe 9th of June, at 8.43 a.m., r.nd another on the 20ihof July, at 10 5 p.m.; the former wns attended with tho usual meteorological and el etrical phenomena ; the latter had no accompanying peculiarities of weather, excepting the masses of wliite vapor near the surface of the ground, and the fantastic appearance of the clouds, which appear the invariable companions of an earthquake. The following are tho readings of the instruments for the months of June and July, and eomprativo tables of the same months in eight years. jfnb Barometer — Mean pressure (corrected and reduced), 29.724 in< h a ; maximum, 30.56 inches o>* the 18th ; in.nimum, 28.61 inches on the 27 h ; total range ot atmospheric pressure, 1.9 1- inches — the largest I have ever recorded, — it only extendcii ov<-r nine days. The barometer stood above 3 11 inches on fourteen day 3 in the mouth, and below 29 inches on four days. Thermometer — Mean temperature of tho air. 44.1 deg. ; 2.8 deg. above the average of sevei years ; maximum, 62.-1. deg. on 25th ; minimum 21.1 deg. on ths previous day — the total ran^e ol temperature was 41.3 deg., which occurred withm 24 hours ; me.*n -saily range, 19 2 deg. Hygrometer — Mean degree <*f humidity, .86; texni-erature of evaporation, 42.4 de^. : dew-point. 40.1 deg. ; elastic force of yap yr, 0.286 inches. Ka.liation — Solar maximum, 74.4 deg. ; t-\rres-terud minimum, 19 deg. it-iinfall — On surface of ground, 5.535 inches. Evaporation— On surface of ground, 0.579 inches. Oloud — Mean amount, 6.2 (overcast, 10). Wind— Wean force, 3.4— (1—12). Anemometer — Mean ..iiun.al movement of wind 132 miles ; greatest amount in the 24 hourc, 7'6-'---miles; greatest velocity, 70 miles per hour (\ ; . on 2Lst, W. on 22nd) ; greatest pressure, 2<i lbs. to the s piare foot.

JULY. Barometer — Mean pressure (corrected an'l reduced;. 30.027 inches ; maximum, 30.499 on the 3rd; minimum, 29.086 on the 29th ; range, 1.413 indies. The barometer stood above 30 inclus on fifteen days in the month. Thermometer — Mean temperature of the air, 40.4 deg. which is neither m ire nor less than the average of seven years ; mixitnun, 63 3 deu. on the Sth (the highest yet recorded in July) ; minimum, 20.1 de.{. on the 25th ; total range, 42.2 deg. ; mean daily range, 16.6 deg. Hygromet r — Moan degree of humidity, 83 ; temperature of conformation, 38.3 deg.; dew-point. 35.9 Jeg. ; elastic force of ?apour, 0.206 inch. Radiation — --Solar maximum, 79 deg. on Oth ; terrestrial minimum, 17.1 tieg. on 28th. Amount of Evaporation — 2.091 ; very n -arlv 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). - Wind— Mean force, 2.1— (1—12). Anemometer — Mean diurnal movement of wind, 91 mdes ; greatest, 4 12 miles (K. on 22nd) ; greatest velocity, 62 miles per hour (W. on Ist) ; maximum pressure, 17 lbs to the square foot.

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