xl. 



JANUARY, 1873. 

 Pkivate Observatory, Hobart Town. 





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Barometer mean, 29-992in., being 0-248in. above the average. 



Temperature mean, 6455°, being 1 86° above the ditto. 



Solar intensity mean, 1094°, being 138 above the ditto 



Dew point mean, 51-2°, being 0.79° above theditto. 



Humidity of air mean, -64, being "03 per cent, belo-w ditto. 



Elastic force of vapour mean, -391, being -018 per cent, above the ditto. 



Total amount of rain, l-70in., being 0-23in. below the ditto. 



Increase of spontaneous evaporation on rain-fall, 2 66 in. 



Mean amount of ozone, 77, being 077, of chromatic scale above ditto. 



Electricity active on the 1st, 2nd, 3rd, 7th, 8th, 9th, 10th, 14th, 15th, 16th, 20th, 



"^Thunder and lightning on the 5th, and ditto with rain on .the 21st; aurora on th« 

 20th. 



Leafing, Flowering, and Fruiting of a few Standard Plants in the Royal Society's 

 Gardens, during the month. 



10th— First ripe apricot gathered (Royal). 

 14th— Veronica AngustifoUa in full flower 

 ,, —Jargonelle pear gathered. 

 16th— Grevillearobusta in full flower. 

 20th -Mulberries eoramencing to ripen. 



yKANCIS jLBBOTT. 



