METEOROLOGY. 289 
GOVERNMENT OBSERVATORY, SYDNEY. 
LATITUDE 33° 51’ 41” ; LONGITUDE 10 4m 46°; MAGNETIC VARIATION 9° 32’ 45” East. 
JULY, 1877.—Generat ApstTracr. 
Barometer .. Highest Reading “a sr ere on the 3rd, at 9a.m 
At 32° Faht. Rasen eeu ty mS we §29°5 n the 18th, at 3 pam m. 
Mean Heig we OO 7 3 
(Being 0°137 inch greater than th tl th on an average of the preceding 18 years.) 
Wind ... Greatest Pressure ..» 19°8 lbs. on the 15th. 
Mean io JOGAbe 
Number of Days Calm... 0 
pabianen: ee «| a: 
(P: ili th for the p ding 18 y W.N.W.) 
Tetepeentire Highest in the Shade ... 661  ... On the 9th. 
Lowest in the — . 456  ... On the 23rd. 
eal oak Rang : ... On the 31st. 
<< 16S 
Highest in the § Sun 1247 ... On the 19th. 
eo Black Box with 
. Ou the 31st. 
| ee es a 
Low nthe Grass ... 39°8  .,. On the 27th. 
Mean i ah Range ... 113 
Mean in the Shade » 549 
(Being 2°6 greater than that of tk th an average of the preceding 18 years.) 
Humidity ... Greatest Amount . 100°0...0n = hae 2nd, 11th, 12th, oars 
15th, ‘16th, and 3 
Leas er ied ... 60°0...0On the | Set h. 
Mean ... eee a ooo 
(Being 110 greater tk that of th th £ f th B di = 18 J ) 
Rain... ... Number of Days ... 17 rain and 4 dew 
Greatest Fall... a”) S109 mol On the 15th. 
7 053 inches. 65 ft. above ground. 
Total Fall fr 11°410 inches. st in. above ground. 
th preceding 18 years.) 
(Being 7-126 inches greater than that of tk 
a Total Amount ... 
0z0: M —_- 
1:752 inch. 
9 
th average of the preceding 16 years.) 
Electricity... Number of is ee 5 
59 
Cloudy Sky Mean Am 
Number of ‘Clear Days .. pete. | 
Meteors ... Number Observed ae 
Remarks. 
Th has been _ pis the average, and the sete Sapagearred 
mild for the season ; the bove the average = 
fell along the coast. only, ti Bodalla i Clarence River; the cd 
the coast near Sydney, the age cond amount recorded being 12180 anes at Gosford. 
tt s of the Murray r the rains extended a little over the main range 
of mountains and at Wentcorth the river was 11 feet above summer level; at the 
same time and place the river 7 acting woe very 1s 
Barometer 
