CENTRAL OTAGO

Otago Daily Times, Issue 21431, 4 September 1931, Page 12

CENTRAL OTAGO

WEATHER SUMMARY FOR : AUGUST • ■■/ *

(From Oub Own Correspondent.) OPHIR, September 2. The following, is the report of the Ophir meteorological station for the month of August:— Average reading of barometer (aneroid) at 9 a.mi, 29.80 in; highest (August 6), 30,44 in; lowest (Ist), 29.01 in; extreme range, 1.43 in. Average shade temperature at 9 a.m., 32.2 deg; highest (August 3), SO.ldeg; lowest (August 7), 25.4 deg. Average for July, 33.6 deg; for August, 1930, 33.8 deg. Shade temperature extremes. —Average maximum, 48.7 deg (July, 4G.odeg; August, 1930, 47.6 deg). Average minimum, 20.9 deg (July, 25.1 deg; August, 1930, 26.1 deg). The highest maximum was 57.3 deg, on August 19; the lowest minimum 19.4 deg, on July 6. The corresponding figures for August, 1930 and 1929 respectively were: Highest maximum, both 59.8 deg; lowest minimum, 12.2 deg and 20.4 deg. Grass temperature.—Average,minimum, 24.8 deg (July, 19.2 deg; August, 1930, 21.6 deg). The highest was 38.0 deg, on August 12; the lowest, 12.4 deg, on August 6. The lowest reading in July was 4.6 deg, and in August, 1930, 6.7 deg. The temperature fell to 32.0 deg and lower on 20 mornings, to 30.4 deg (frost) on 22 mornings. (In July, both on 80 mornings; in August, 1930, on 27 mornings and 26 mornings respectively.) Solar radiation.—Average maximum, 83.7 deg (July, 87.4 deg). The highest was ,'l22deg, on August 19. The temperature exceeded lOOdeg on six days; ranged from !90deg to lOOdeg on sis days; and from 80deg to 90deg on five days. Average dry-bulb and wet-bulb.—9 a.m., dry 38.2 deg, wet 35.9 deg; 2.30 p.m., dry 47.0 deg, wet 41.5 deg. Mean .relative humidity;—9 a.m., 78 per cent.; 2.30 p.m., 58.5,per cent, of saturation. Average clearness of sky.—9 a.m., 45 per cent.; 7 p.m., 49 per cent.; 10 p.m., ;43 per cent. The number of observations jat 9 a.m..of “clear sky” (cloud oto 2) iwas 12; of “overcast sky” (cloud 8 to ilO) 14. • T | Winds (recorded at 9 a.m.) .—Forces 8 'to 10, inil; forces 4 to 7, one; calm, 26 .'days. -Direction: N. one day; S. two ■days; SvW. one day and a-half. Daily Average force of wind, .32. i Rainfall;—August 3, 1 point; 11th, 2 (points; 12th, 7 points; 16th, 37 points; iT7th, 12 points; 20th, 4 points; 21st, 2l (points;. 23rd, 1 point; 24th, 22 points; .29th, ,40 points; 30th, 3 points; total, 150 .'points on Jl<days. Average in August of .preceding seven years, 81 points op, 6.1 days.- .Rainfall from January 1 to August ‘ 31,;10.p9 inches on 72 days. Dther-phenomena.—Dew on three"-thorn-, tagshoarfrost on nine mowings; snow ■lying)”: three days; mist, one -'day; hail, nil. ' Snowfalls on the Duristah, St. Bathans, -and Hawkdun ranges ■ occurred as follow:—(1) August;;! (early morning), considerable; (2) August 2 (early morning), very .light; (3) August 4' (day), light showers above - 3000-feet,', altitude; (4) August 12 (morning) , light; ; (5) August 12 (evening), light fall '.above 2800-feet . altitude; (6) .August 21. (morning), moderate; (7) August 25' morning), light; (8) August(29 (evening)!, moderate; (9) Apgust. -30; (early morning;;and forenoon), considerable fall. -(The, -falls on August 1,-2, 29, and 30 extended . over the whole of. the. low country in;,(the Upper (Manuherikia (Valley and over-.the Raggedy Range.' : . The•„total depth -ofVtheTfdur falls at Ophirl measured •-.three ■ inches. l ; The month ended', with the;;Apuntdins,(again white to itheir base. ,i ■ " . - . ' General remarks.—The .atmospheric pressure was, with the exception' 'ofrsiX' days after the middle'of the mpnth,. very.,variable, And the weather throughout the i: month- very changeable,?.although there Vas an, absence of wind, except for 20 hours consecutively on August 3 and 4. The latter half of the month was unusually cloudy. The precipitation was 85 per cent, above the average, and the benefit of this will be evident when the warm spring days come in.