297 
ABSTRACT OF THE METEOROLOGICAL th ge 
TAKEN AT THE SYDNEY OBSERVATORY. 
GOVERNMENT OBSERVATORY, SYDNEY. 
LATITUDE 33° 51’ 41” ; LonerrupE 10 4™ 46; MaGNeETIC VARIATION 9° 25’ 2” East. 
JANUARY, 1878.—Generat ABSTRACT. 
mceneter Highest Reading ... ... 30°103 inches oa the 23rd at 9 a.m. 
At 32° F Lowest Reading ... .-. 29°390 ta ced n the 15th at 5 p.m 
e i rd oe "853:in 
(Being 0-088 inch greater than that in th rage of “on preceding 19 years.) 
Wind... ... Greatest Pressure... .... 146 Ibs. on wees lst. 
ean Pressure eo ae, 
Number of DaysCalm .. 
ae Direction teen * 
(P ili h for the preceding 19 years, N.E. ) 
Temperature Highest in the » hades ... 86°9 on the 10th and 15th. 
Low: n the — ... 58°8 on the 22nd. 
rasa ge 1,. 22°2 on the 10th. 
Highest in the tess | 145-0 on the 28th. 
Highest in Black Hea with 
Glass Top . 203°5 on the 28th. 
Lowest on the Grass ... 63°2 on the 6th. 
ean Diurnal Range ... 12°4 
Mean in the Shade Bara (9° 
(Being 1:2 greater than that of th th on an average of the preceding 19 years.) 
Humidity ... Greatest Amount... ...__ 940 on the 15th. 
Least és < fe rt 
50°0 on the 7th. 
Mean aie me a, Coe 
(Being 3°3 less than that of the same month on an average of the preceding 19 years.) 
i Na oe of Days ... ... 12rain. (No dew.) 
Greatest Fall bee ... 0°888 inches on the 
0°636 inch. 65 feet above ground 
Tout Fall...» +} 1-996 inch. 15 in. above ground. 
(Being 2-682 inct that of th th verage of the preceding 19 years.) 
Evaporation Total Amount ... ... 8°791 inches. 
Ozone... <u Me peered rr a OF 
(Being 1-1 inch greater th th ge Of the preceding 18 years.) 
icity ... Number of rb oe 4 
Cloudy Sky Mean Amoun . 66 
umber of ‘Clear Days cae 
Meteors ... Number Observed 7 
arks. 
above th re rash and the temperature, sithough on 
The barometer has been 
no day has it exceeded 86°9, Yet gives a mean 1'2 above the average for or 19 years. 
Generally, + the rainfall haa been heh? ; son ea ate have fallen, 
the highest being 8-93 inches at Port Macquari 
