METEOROLOGICAL OBSERVATIONS. _. 233 
GOVERNMENT OBSERVATORY, SYDNEY. 
Latrrvpe, 83° 51’ 41”; Loneitupe, 10° 4’ 46”; Magnetic Vari ATION, 9° 25° 2” East. 
MAY, 1879.—Generat ApstTracr. 
Highest Reading ... ... 30°091 inches on the 9th at 12:20 
a.m, 
Lowest Reading ... ... 29°274 inches on the 29th at 4°10 
a.m. 
Mean Height ... ..._... 29°707 inches. 
(cing 0216 inch less than that in the same month on an average of the preceding 20 ees’ 
“+ see Greatest ae 1... 25°2 Ibs. on the 16th at 9°43 p.m. 
Mean Pres regs 2, 
Number of Days ‘Calm ... 0 
Facil iam | Posy ce io 
(Prove th for tt ding 20 W.) 
‘ature oo. inthe Shade ... 668 on the 21st and 22nd. 
Lowest in the Shade... ... 45°5 on the 29th. 
Gre wil n A ee 15-7 on the 19th 
Highest inthe Sun ... ... 126°2 on the 2nd. 
Lowest on the Grass... ...  40°0 on the 27th. 
ean Diurnal Range’... -11°2 
Mean in the Shade ... ... 56°7 
Midity ... Greatest Amount ... ig on the 11th at 9 a.m. 
A LS een ee 0 on the 28rd at 3 p.m. 
«+ Greatest Fall ss «1+ 8°840 inches on the 16th. 
Number of Days” .» .. 22 rain and 7 dew. 
Total Fall ; 9:344 inches. 65 feet above ground. 
| o 12°115 inches. 15 in. above groun 
74 inches greater than that of the same month on an average of the preceding 20 years.) 
Total Amount ... ... ...  1°604 inches. 
Mean Amount ... ... —... 
ter t] that in +h th 5 19 ) 
dig Number of feo Lightning 8 
6 
n Am ne 
Teaher of ‘Cleay Days er oe 
} ++ Number observed «.. ... 1 
rature this month is sane ponies the average 1°8, and on 29th it fell 4 
the rainfall has been nearly 7 inches above the pl oeithame 
i as bee 
as less a 3 ij nehes. Heavy 8.E. gale 
about 7th; hone at Grafton on 26th; flood at Lismore May 121 
