THE WEATHER.

Southland Times, Issue 1177, 16 June 1869, Page 2

THE WEATHER.

METEOHOLOGICA.L OBSERVATIONS IN MAY, 1869. Remabks. — The general character of the weather was the same as in April — very light winds, excessive humidity, almost total stoppage of evaporation (the smallest on record), constantly overcast eky, continued rain, which, unlike that in April, was very copious. Heavy rainfalls occurred on the 4 th, sth, 6th, 7th, 24th, and 25th, varying in amount from '70 to I*l4 inch. On the 3rd, the barometer fell to 29*10 ; a severe storm of six days duration followed ; a violent gale blowing from W., with rain, hail, thunder, and lightning ; on the 7th, it veered to S.E., when a very heavy snowstorm succeeded, the flakes were of extraordinary size. Slight auroral* were visible on the 11th and 12th, and a fine lunar halo on the 22nd ; on the night of the 23rd, the barometer, after slowly sinking for 5 days, stood at 2896 inches ; 60 hours of incessant rain followed ; the amount being I*B2o inch. The barometer then rose slowly, reaching 3011 inches at the close of the month. The mean temperature of the air was 42*6 deg., or 4*4 deg. below the 10 years' average for May. The total rainfall was 7*130 inches, or 2*85 inches in excess of the 10 years' average. Barometer. — (A.t 32 deg. Fah. and sea level) maximum, 30*303 (20th) ; minimum, 28*961 (24th); mean, 29*715; range, 1*342 inch. Thermometer in Shade. — Maximum, 57*0 (13th) ; minimum, 250 (25th) ; mean, 42*6 ; total range, 32*0 ; mean daily range, 11.6 deg. Hygrometer. — Dew-point, 40*4 j vapor tension, 25*1 ; humidity, *92. Radiation. — Maximum, solar, 108*0 (10th, and 13th) ; mean, 88*9 ; minimum, terrestrial, 18*0 (21st) ; mean, 290. Rainfall. — Total, 7*130 inches ; maximum, daily, 1.14 inch, (6th). Number of days on which rain fell 29. Evaporation. — Total, o*l2 inch. Cloud. — Mean amount, (0*10) 7*3. Wind.— N., 5 days ; N.E., 0 ; E., 1 day S.E., 4 days ; S., 0 ; S.W., 0 ; W., 15 days ; N.W., 6 days. Anemometer. — Mean diurnal velocity, 147 miles ; maximum, 58*5 (4th.) Ozonometer. — Ozone on every day in this month. Large amount on 4th, sth, 6<-h, 7th, and 29th ; maximum on 7th and 29th ; ant-ozone on Ist, 2nd, sth, and 14th. Miscellaneous. — Gales on 3 days ; thunder on 5 days ; heavy rain on 6 days ; snow on 1 day ; hail on 2 days ; fog on 2 days. CHARLES .bOUS MARTEN, Director. Martendale, Southland.