304 METEOROLOGICAL OBSERVATIONS. 
GOVERNMENT OBSERVATORY, SYDNEY. 
LATITUDE 33° 51’ 41”; LonarTuDE 104 4 46%; MAGNETIC VARIATION 9° 25’ 2” East. 
AUGUST, 1878.—GeENERAL ABSTRACT. 
Barometer ... Sphere oe ... 30°282 inches on the 21st at 9 a.m. 
At 32° Faht. est Reading ae 29°406 in ches on the 11th at 4 a.m. 
Mani Height = ... 29°857 inches 
(Being 0°090 inch less than that in the same month on an average of the preceding 19 years.) 
Wind... ... Greatest bron a ... 13°0 lbs. on the 9th. 
Mean so Opal. 
ee of. Days Calm aa 
— Dies SV 
(P. il iS is th for the preceding 19 years, W.) 
Temperature Highest inthe Shade... 77 oe on the 28th. 
Lowest in the Shade a n the 7th 
reatest Range soba on ihe 28th. 
Highest in the Sun _ 149-0 on the 30th. 
Highest in Black Box with 
Glass Top Se . _ he 28th. 
Lowest on A Glass e 7th. 
ean Diurnal Ran oe mi 
Mean in the Shade i 
(Being 1°8 greater than that of tl tI average of the preceding 19 years.) 
Humidity ... Greatest Amount ... . 100-0 on the 2nd. 
Least ot Oe id ts on the 13th and 23rd. 
Mean 
Be. wn Oe aS 
Greatest Fall... ...  2°280 inches. On th ar 2nd. 1 
1°936 inches. 65 ft. above groun 
ome oe a, oy 3°304 in sagas ag in. above ground. 
(Beitig 0-540 inch greater than that of th Sh . ding 19 years.) 
Evaporation Total Amount ... ...  3°814 inches. 
Ozone .. ... Mean Amount 2 ORS 
(B gg 82g + oie ka ee ae 6 at P 1 17 years.) 
Electricity .. Number of Days Lightning 5 
Cloudy Sky... Mean . 
Amount... “wa ae 
Number of Clear Days ... 6 
Meteors  ... Number Observed... 2 
Remarks, 
The barometer is 0°090 less, and Lee tem 1°8 greater than the ave 
sy seven of 2 
of the peak 19 years, bor gra: n, in which 1° i 
in 12 minutes ; a mile east of the Obervatary th ere 
stig skdn paul like 
seen like a wall of et mem: from north be south over ‘he Ll i 
On the same pe Retort som r passed 
‘which 6 inches of rain fell, bs aed 
{ 
Sita «lings wats ai i. ie an a ame suze 
