292 "-METEOROLOGY. 
GOVERNMENT OBSERVATORY, SYDNEY. 
LatTITUDE 83° 51’ 41” ; Lona@rrupE 10% 4m 46°; MAGNETIC VARIATION 9° 25! 2” East. 
OCTOBER, 1877.—GerneERAL ABSTRACT. 
Barometer... Highest Reading ... a s poe capt on the 28rd, at 9 a.m 
At 32° Faht. Lowest Reading ... why n the 19th, at 3 p.m. 
Mean Height i ee 2 501 
(Being 0°056 inch greater than that in th th ge of the preceding 18 years.) 
Wind »» Greatest Pressure .. aa ee Ibs. on the 29th. 
Mean Pres es 9 lb. 
Nu bie f Days Cal we 
hint: railing Direction ake 8: S.W. 
(Pr ili for the preceding 18 years N.E. y 
Temperature “Highest in the Shade as 908 On the 27th. 
Lo ov in the Shade vex SBS On the 22nd. 
Greatest Range Se av SL On the 27th. 
Highest in the 8 un 147:0 On the 27th. 
Highes “hips Box 
198°5 On the 25th. 
Lowest on His Grass a. “458 On the 15th. 
urnal Range ax SSD 
qa in ae Shade... <3 62% 
(Being 1:2 less than that of the same month on an average of the preceding 18 years.) 
Humidity ... Greatest Amount... ...1000 On ~ 4th and 12th. 
6 rei) PED : On the 27th 
Mean 72:1 
Aig 3°6 greater than that of the same waitaithe on an average of the preceding 18 years.) 
eee of Days ... .. 14 rain pe 3 dew 
Greatest Fall .. 4°890 in On ‘the 5th. se 
6°895 ches 65 feet above groun 
Total Pal Ais v7 *** (8312 inches. 15 in. above ground. 
(Being 5-769 inches greater. than that of tl tk n ge of the preceding 18 years.) 
Evaporation Total Amount... .. 5°966 inches. 
Ozone f ean Amount 2 
(Being 0-9 greater than that in tl th age of the preceding 17 years.) 
icity... Number of _- Lightning 9 
Cloudy Sky Mean A 
N wushees of "Clear Days 
Meteors... Number Observed... 
i) bt Ot 
Remarks. 
- poe a Zz — drought inland, but along the coast abundar aaaat 7 
ve fallen; an ydney the amount is 5°769 above the average, greater ° 
which fell during a storm on the 5th. 
memes Ma 
