CHRISTCHURCH METEOROLOGICAL

Lyttelton Times, Volume LI, Issue 5577, 7 January 1879, Page 4

CHRISTCHURCH METEOROLOGICAL

OBSERVATORY. Eat. 43deg. 32min. Msec. B.; Long. 172d0g. 88min SOsec. E. Altitude above sea, Abstract op Obeiervations taken during December, 1878. Barometer corrected and reduced to S2deg. Fan,, and sen level. Mean reading formonth... ... 29.748 inches ; Mnximnm on 14th 30.248 „ Minimum on 27th ... ... 29.017 „ Extreme range ... 1.231 „ Temperature in Shade. Approximate mean temperature formonth 74.5 Fah, Extreme maximum temperature on sth ... 87.8 ,i Extreme minimum temperature on 80th 44.9 ■ • ■ » Extreme range of temperature formonth. ... * ... Exposed Thermometers. Mean solar radiation ... ...141.3 „ Maximum solar radiation on sth 159.2 „ Mean terrestrial radiation ... 50.3 „ Minimum do do on 30th 40.1 ~ Mean doily, range between the extreme temperature ot night and day... 91.0 ~ Hygrometrical. Mean elastic force of vapour ... 0.361 inches Mean temperature of the dew ", point ••• 50.® Fah, Mean degree of moisture (saturation=loo) 61 Bain. ' Total rainfall ... 0.73 inches Number of days on which Jain ' fell 8 days Wind, Average daily velocity for month ... 197.8 miles. Maximum velooitjr on 27th ... 370.3 „ —. Direction—N.E.,9 days—E., 4 S.W., 9—W., 2—N.W„ 9... 80 days. Mean amount of cloud for month —o,to 10 ... ... 5,1 Mean amount of ozone (Moffat's scale), 1 to 10... 4.9 N.B. —The observations are taken at 9.30 a.m., and record the temperature, &c, of previous .24 hours. Remarks. The month has been, like its predecessor, remarkable for its hot winds and small rainfall; On the 7th, 18th, and 24th there were light showers; on the Bth there was a severe thunderstorm, with hail and rain, the thunder being loader than any experienced for some years jon tie sth, ; 6th, 22nd, 23rd, 2lth, and 25th the heat was very oppressive. The terrestrial radiation thermometer on the 24th recorded 65 - 5, the mean temperature in the shade on the same day being 76.9, From the 26th to the end of the month strong hot winds prevailed, causing the rivers to overfl ow and damaging bridges and crops. The prevailing winds were N.E., 8.W., andN.W. ' J. B. Staebell, Observer.;