METEOROLOGY. 287 
GOVERNMENT OBSERVATORY, SYDNEY. 
LATITUDE 33° 51’ 41” ; Lone@rrupE 104 4™ 46s; MAGNETIC VARIATION 9° 32’ 45” East. 
MAY, 1877.—Generat ABSTRACT. 
Barometer... Highest Reading .. 6 Oe s inches = the 31st, at 10 a.m. 
At 32° Faht. Low wtieett oe a SOS n the 23rd, a at 5 p.m. 
Mea: Miri) <a 30724 
(Being 0°207 inch less th that tw ah: rs ¢ f the P li g 18 years.) 
Wind Ne: ie — ..- 162°0 lbs. on the 23rd. 
ea Pasa 1 9 15 
Number of “Daya sCalm... 0 
selon ve rection ic, 
(Pr $1. a. +} £. +} I oe g 10 3 Ww.) 
Temperature Highest in Ne Shade ... 72:3 On the 22nd and 23rd. 
Low hade ae SOT On ao a and 28th. 
Greats eat, 34 2S . On the 22nd. 
Highest in the ce 1271 .. On the th 
Highest in Black Box with 
ass To ... 142°2 . On th 
Lowest on _ Grass t) 483 . On hie arth, 
Mean Diurnal Range ... 11°7 
Mest i in the pes ... 594 
(Being 0°9 greater than that of th th ge of the preceding 18 years.) 
Humidity ... Greatest Amount...  ... 1000 ... Onthe 1st, 14th, and 16th. 
Least vt see .. 860  ... On the 24th. 
Mean vas ee i. F#6 
(Being 16 less than that of the same month on an average of the preceding 18 years.) 
i Number of pore: is oe 
Greatest Fall a 3 inches. On bate 2nd. 
6749 9 inches. 65 ft ve ground. 
Total Fall ... 9°945 inches. 15 in. are ground. 
(Being 4-830 inches greater than that of the same month on an average of th e preceding 18 years.) 
cae Total Amount... ... 2°776 inches. 
Ozon Mean Amount 67 
we g g th erage of the preceding 17 ee 
ee Number of tio Lightning 9 
Cloudy Sky Mean Amou ora sj 
Number of Clear Days “he 0 
Meteors ... Number Observed 0 
Remarks. 
The barometer this month is considerably below the average, a the tempera- 
ture is above it. Abundant rains have fallen on all the coast and m untain distric 
t at Liverpool was over eleven inches, and at pont prerrem over ten 
inches; but little or none has fallen in the west, and the rivers Dar! al urra 
ow fa idal waves reache at 5h. 2 m. of the 11th 
and falling. 
May, and continued all day ; the height of the aig as 3ft.6 in. They were 
observed at other poin wigs 4 Biesat coast, and were much aes in New Zealand. 
