5308 METEOROLOGICAL OBSERVATIONS. 
GOVERNMENT OBSERVATORY, SYDNEY. 
LATITUDE 33° 51’ 41”; Lone@irupE 10 4™ 46: ; Magnetic VaRtaTIon 9° 25’ 2” East. 
DECEMBER, 1878.—GeEneERAL ABSTRACT. 
Barometer ... Highest Reading ... ... 29°993inches on the 19that11.30a.m. 
At 32° Faht. tag: ee tie ... 29171 inches on the 25th at 4 p.m. 
an Height .. 29°673 inches. 
(Being 0°078 inch ad than that in the same month on an average of the preceding 19 years.) 
Wind... ... Greatest “hme ... 14°6 Ibs. on the 20th. 
Mean ssure ieee OO 
Sacre of Days Calm ie. O 
Prevailing Directio: me 
(Prevailing direction during the same month for the preceding 19 years, E.N.E.) 
Temperature Highestinthe Shade ... 89°] on the 17th. 
Lowest in the Shade ... 66°3 on the 
Greatest Range 26°3 on the 3rd. 
Highest in the Sun . 152°4 ba the 23rd. 
od in Black Box with 
Top . 223°5 on the 23rd. 
Lowest on the Grass - ... ee = on the 26th. 
Mean Diurnal Range ___... 
Mean in the Shade : 0 4 
(Being 0°8 greater than that of the same sacs on an average of the preceding 19 years.) 
Humidity ... st Amount.. ... 99°0 on the 15th at 9 a.m. 
i ... 28°0 on the 17th at 3 p.m. 
72°9 
(Being 31 ae eae than that of the same month on an average of the preceding 19 years.) 
Rain ... «+ Number of Days ... ... 16 rain 1 dew. 
' Greatest Fall oe Pees Gb inches on the 15th. 
Total Fall 2°979 inches. 65 feet above re gre 
vow b FOGG inches. 15 in. above groun 
(Being 1874 inches greater than that of iabcneiakconialbnescsbeniijuse yeni 
Evaporation Total Amount ... .... 6°300 inches. 
Qzone..  .... Mean Amount 
ne 7 
(@eing 3°3 greater than that in the same sah isin ch the preceding 18 years.) 
Cas 
Number of Days Lightning 8 
Cloudy Sky... Mean Amount ..  .... 7:0 
Number of Clear Days ... 2 
Meteors ... Number Observed es 
Remarks. a 
i 0-078 below and temperature 0°8 greater than the average of 19 yea 4 
and —— shade is o ee as compared with 1 02°7 last month, — 
been fro: 4 inches, and ai : 
| ¢ Kurr met 
i tnchion,.. At Wedlworth the: Snaenay and Datlng are 19 feet above 
level, but falling here and u up the rivers. 
