THE WEATHER.

Southland Times, Issue 562, 17 September 1866, Page 2

THE WEATHER.

AUGUST, 1866. A very fine warm month — the mildest August by several degrees experienced in the last nine years. The mean temperature was equal to that of an English April. The spring, therefore, was well advanced at the end of the month, the artificial grasses being as far forward as in October last year. The thermometer once rose to 66 deg. in the shade, and on no occasion fell below 27 deg. A short gale from the westward occurred on the 28th. Snow fell on three days, but in very small quantities. The Aurora Australis was several times visible. The Zodiacal Light was particularly bright on the 22nd. The mean temperature of the month was 47*3 deg,, which is 4*5 deg. above the average of nine years. The rainfall of the month was 4*477 inches, which is 0"3 inch less than the average fall for the same period. The readings of the different instruments for the month are as follows : — Barometer (at 82 deg. and sea level)— Mean pressure, 29*898 inches; maximum, 30 341, on 81st; minimum, 29*216, on 12th; range of atmospheric pressure, 1*125 inch. Thermometer— Adopted mean temperature, 47*3 deg. ; maximum, 660 deg., on 31st ; minimum, 27*1 deg., on 12th ; total range of temperature in month. 38*9 deg. ; mean daily range, 19*7 deg. Hygrometer — Mean degree of atmospheric humidity, *66 ; temperature of evaporation, 42.0 deg. : dew-point, 36.1 deg. ; tension of aqueous vapor, .212 inches. Amount of Evaporation — 2*036 inches Badiation — Solar maximum, 75 deg.; terresterial minimum, 27*1 deg. Cloud — Mean amount, 5.7 ( 0-1.00). Wind— Mean force, 3.6— (0.12). Anemometer — Mean diurnal' movement of wind, 166 miles ; greatest, 308 miles ; greatest velocity, 57' miles per hour ; greatest pressure. 15 lbs. per foot on 28th. * The following is a comparative table of temperature, weather, rain, and wind, in the month of August, during nine years :— ,

The Bluff report shows a considerable difference between the weather on the coast and 30 miles inland — a difference greatly in favor of the latter. It will be observed that the amount of cloud and | force of wind &re about the same at both stations, ! but rain fell at the Bluff on 18 days, and only 9 at Martendale. Mabtendale Bltobt Days without rain — I Eine ... 22 ... 9 I Cloudy 0 ... 4 (Foggy) .„ ... (0) ... (4) Days rain fell — Showery 9 ... . 17 Wet throughout ... 0 ... 1 Amount of Cloud : (0—10) ... ... 5-7 ... 5-5 Direction of wind — f N 1 ... 4 NB 0 ... 2 E 3 ... 0 Mo. of days -| E \ '" | . SW 0 .'.'.' 6 * W 12 ... 8 L NW 12 ... 8 Mean comparative") force of wind£ g.g ... g.y (Admiralty stan- f ... dard— o-12) ) CHARLES ROTTS MARTEN, Director of Meteorological Stations. Martendale, Southland, August 9th, 1866.

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