2 METEOROLOGY. 



GOVERNMENT OBSERVATORY, SYDNEY. 



Latitude 33* 51' 41" ; Longitude 10'« 4"> 46'' ; Magnetic Variation 9* 32' 45' Ea9t. 



FEBRUARY, 1875.— General Abstract. 



Barometer .. Highest, Reading 30023 inches on the 24th, at 9 p.m. 



., ooo-p u Lowest Reading ... ... 29410 ,, on the 4th, at 1 p.m. 



At 32 JJaht. MeanHeigllt 29-794 



(Being the same as that in the same month on an average of the preceding 16 years.) 



Wind ... Greatest Pressure ... 205 lbs. on the 4th. 



Mean Pressure ... ... 1*6 H)s. 



Number of Days Calm ... 



Prevailing Direction ... S. 

 (Prevailing direction during the same month for the preceding 16 years, S.) 



Temperature Highest in the Shade ... 98"9 On the 4th. 



Lowest in the Shade ... 551 On the 5th. 



Greatest Range ... ... 320 On the 4th. 



Highest in the Sun ... 1267 On the 10th. 



H1 g GlassTop aCk E ° X Wlth } 220 ' 5 0n the 4th ' 

 Lowest on the Grass ... 51*8 On the 5th. 

 Mean Diurnal Range ... 107 

 Mean in the Shade ... 697 



(Being 1*0 less than that of the same month on an average of the preceding 16 years.) 



Humidity ... Greatest Amount 1000 On the 11th, 14th, and 19th. 



Least 420 On the 4th. 



Mean 81*0 



(Being 6*3 greater than that of the same month on an average of the preceding 16 years.) 



Rain Number of Days ... ... 19 



Greatest Fall 2-357 inch. On the 5th. 



m , i -n ii f 3398 inch. 65 feet above ground. 



'" \ 5-593 inch. 15 inches above ground. 

 (Being 1-310 inches less than that of the same month on an average of the preceding 16 years.) 



Evaporation Total Amount 3988 inches. 



Ozone ... Mean Amount 53 



(Being 08 greater than that in the same month on an average of the preceding 15 years.) 



Electricity... Number of Days Lightning 1 



Cloudy Sky Mean Amount 7'9 



Number of Clear Days ... 



Meteors ... Number Observed ... 



Remarks. 



The weather during the month has been very unseasonable ; cold strong South 

 squalls on the 4th, 5th, and 6th ; two-thirds of the whole month wet ; and very 

 severe S. gales from 27th to and after end of mouth, doing great damage to the 

 country districts by floods, causing many wrecks on the coast, and preventing 

 steamers, &c, leaving the ports. 



