ABSTRACT OF METEOROLOGICAL OBSERVATIONS.

Globe, Volume XXII, Issue 2010, 3 August 1880, Page 2

ABSTRACT OF METEOROLOGICAL OBSERVATIONS.

Cheistchttech Observatory. Lat. 43° 32' 16" 8.; long. 172° 33' 50" E. Altitude above the sea 21 feet. Abstract of observations taken during July, 1880. BABOiIETEB. Corrected and reduced to 32.0 Fah. and sea level:— Mean reading for month ... 29.9GSin. Highest do.—on 22nd ... 30.423 in. Lowest do.—on 4th 29.453 in. Extreme range during month o.96Sin. TBMBEBATDBB SHADB. Approximate mean temperature for month 43.9 Fah. Extreme maximum do. —on 11th 64 0 „ Extreme minimum do. on 7th 23.0 ~ Extreme range of temperature for month 39.0 „ EXPOSED THEEMOMETBB3. Mean solar radiation ... ... 79.5 „ Maximum solar radiation—on 30th 98.0 „ Mean terrestrial radiation ... 30.9 ~ Minimum terrestrial radiation —on 14th and 30th 20.0 „ H YOBOMETBIC AX. Mean elastic force of vapour, 0.236 inches. Mean temperature of the dew point, 38.8 Fah. Mean degree of moisture (saturation =100) 82 BArir. Total rainfall for month ... 2.12 inches. Number of days on which rain fell— 11 days. Greatest rainfall in any twenty-four hours, on 5th— 1.32 inches. Total evaporation by gauge ... 2,l7inches. Mean evaporation do. ... 0.07 „ WIND. Average daily velocity for month, 112.8 miles. Maximum ditto, on 5th... ... 327.1 „ Direction—N.E., 9 days; E., 4; S.E., 2; S.W., 14 J W., 1; N.W., I—3l days. Mean amount of cloud (0 clear sky; 10 overcast) 6.3 Mean amount of ozone, Ito 10—8.1 The observations are taken at 9.30 a.m. and record the temperature, &c., of the previous twenty-four hours. EEMABXS. The month has been wintry in its character, frosty nights, and dull showery days, and yet with a fair proportion of tine weather, the rain frequently falling during tha night. On the 4th and morning of the sth there was a heavy fall of rain, 1.32 inches. On the night of the 18th a very brilliant meteor was seen coming from the B.W. to N.; another less brilliant fell shortly after. On fifteen nights the thermometer on the grass registered below freezing point. There have been twenty-two fine or partially fine days during the month. The prevailing winds have been B.W. and N.E. The rainfall has been about the average of same month of preceding five years. J, B. SrANBKix, Observer.