[351 ] 



In this month the weather was very favourable for the 

 operations of the garden, and also for vegetation ; the 

 latter made considerable progress. The temperature was 

 above the average mean. Thunder and lightning occurred 

 on the 1 2th and 23d ; and on the evening of the 19th an 

 unusually splendid Aurora Borealis appeared. 



Mean Pressure from the 3 daily observations 29.733 inches. 



Temperature Ditto 52°.i2 



Dew Point Ditto 48°-47 



Degree of Dryness . . . Ditto 3.64 



Degree of Moisture . . Ditto 886 



Force of Vapour Ditto 381 inch. 



Least observed degree of Moisture 555 



Maximum Temperature in Shade 69 



Minimum Temperature in ditto 3 1° 



Maximum Temperature in the Sun 83 



Minimum of Terrestrial Radiation 23 



Mean Temperature of External Air 5 »°-4 



Winds. 



North 2 days. I N. East 10 days. 



South 8 . . S. East 3 



East 4. S. West o .. 



West 2 .. N.West 1 .. 



30 days. 



Amount of Rain 



VOL. 1. 2nd series. 



