METEOROLOGICAL OBSERVATIONS.

Southland Times, Volume III, Issue 273, 4 June 1866, Page 2

METEOROLOGICAL OBSERVATIONS.

Taken at Martendale, Southland, New Zealand, in April, 1866 ; lat., 46deg. I7min. S. ; long., 168deg. 20min. E. Height above sea level, 79ft.

A wet, boisterous, disagreeable month, like its predecessors. The harvest was not finished even at the end. The barometer was, very high from the 13th to the 24th ult., nevertheless a severe and destructive storm occurred on the 18th from the "W". and W.JJf.W.. and a heavy gale from the N.H.W. on the night of the 24th. During the 27th and 28th it blew hard from N.W., and on the latter day the barometer suddenly fell from 2962 inches to 2891 inches, or '71 inches in 24 hours. At its lowest point the wind suddenly veered to W.N.W. and torrents of rain fell, no less than half-an-inch being registered in twenty minutes, It subsequently blew strongly from W* to "WVN.W., with changes, until the close of the month, especially. through the night of the 30th. There was a great deal of thunder and lightning on the 9th ; some snow fell on the 7th, and, hail and Bleet frequently during the month. Barometer — Mean atmospheric pressure (corrected to standard temperature of 32deg. ITahrJ, and reduced to sea level), 29706 inches; maximum, 30*41 inches on the 15th; minimum, 2891 inches on the 28th. Total, range of atmospheric j pressure, TSO inches. Thermometer— Mean Temperature of the airj 49*1 deg., or 2 6 deg. below seven years' average. Highest day temperature, 71*5 deg. on sth. Lowest night . temperature, 29"4 deg. on 16th. Total range of temperature, 41*9 deg. Hygrometer-^— Mean degree of atmospheric humiuity, 79. Complete saturation being represented by 100; . Mean temperature of evaporation, v46'l.deg. Dew point, 42 9 deg. Elastic -force of vapour, 271, inch. liadiution—Folar, musimum, 9fi deg. on sth Teirestrial minimum, 24<"2 deg. on 16th. EainfalL— ou surface of ground, 4"516 inches ; ©mount of evaporation, I*llß inch. " Cloud— -Meiin amount, 6, (overcast — 10.)

The instruments in use at this observatory are, —barometer, So. 139, by Burrow, and 733 by Casella Thermometer— No. 513, 540 and 546 by Casella; No. 2215, 2189 and 2033, by Negretti and Zainbra ; three by Troughton and Sitmns ; one by Barrow. Standard thermometers are by Casella, and one by Negretti and Zainbra, and two ordinary thermometers corrected to standard. Hygrometer— Mason's, or dry- and -wet-bulb, by Troughton and Simms, and Negretti and Zambra. Eain°guages — Casella's, 10 inches square, ordnauce pattern ; Livingstone's, ' 3 wch, African, by Casella, No. 843, and two othet i-ain-guages. Evaporation-guage, by Casella. Aafemoineter— Eobinson's, by Casella. CHAELES EOTTS MAETEN, Director of Meteorological Stations. Martendale, Ist May, 1866.

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