METEOROLOGY FOR APRIL, 1877. 

 Private Observatory, Hobart Town. 



Latitude 42° 52' 13" S. ; Longitude 9h. 49m, 29. -2s. E. 

 (Registered for the Royal Society of Tasmania.) 



oM^TSr^^^^^^ 'ise at the beginning 



«t 1876 differs in some re.spects from the former one It ha^ 

 been adopted with the view of assimilating the Hobart Town 

 "tTde'r^lo^^."'*" '''T '' ^^^"-^ ^" Europt AmSa^ 

 MeteoroloJr P«o^''-''"''P"'^**' ^'^ ^ ^^^^^™ of Internationa 

 Imeter !Lt hpfn^"ff ^-^ f'^'i^^ ^^^"^ the centigrade ther- 

 conUnentS Europe^ instrument generally used on the 



Jlv'reSrs'nntfrL?fr *^^'-" ^'""^ *^« ^'^^^ of "^e two 

 The dSerHnn .f I^ t.^^ maximum and minimum. 



<liffe"entSa:erit'^ '^'^^^ ^^^ "^^^ ^^^ ^^^t-^-^^ the 

 FRANCIS ABBOTT, F.R.A.S., etc. 



'"''"plamsTn'jlJe Ro"fs^" '?''. '^^'^"^ «^ * ^^^^ standard 

 of ApiS, 1877 ^ society's Gardens during the month 



4th %T^}^^^ ^^^ Pl^"" commencing to ripen 

 iSh fZ^^^^?l ^^o'^niencing to fall. ^ ^ 



^0 !.: ^S r«i»7'r*l''""™^ commencing to flower. 

 '^yru^ aucupana leaves commencing to fall. 



Greatest Force 5-21 



Least Force.... 



Prevailing Direction. 

 N.W. 



•63 lbs. ; Tl. Tl. Tl 



2-45 |2 -92 14200 



I Mean 



25th. Leaves of Black Mulberry commencing to faU. 

 ioth. Seeds of Hornbeam ripe. 



F. ABBOTT, JuN., Superintendent. 



Results of observations taken at New Norfolk for April 



lln'. '^ ^"""'Tf^^'r.''^ "^'^^ "^"^ forms, and registered at 

 / c50 a.m. and4'30i3.m. : — 



30?S2i^^*'''"' "'^^'' °^ ^ ^^"^^ readings, corrected and reduced, 



Tliermometer, mean of 2 ditto, 51^78deg 



Ditto, mean of maximum and minimum in shade, 53-91deff 



Dew point, mean position of 2 daily readings, 45-V5deg. 



Humidity, mean of 2 ditto, 80. ^ 



Elastic force of vapour, mean of 2 ditto, '315 



Solar intensity mean of maximum temperature, n5-86deff. 

 35?0dl'-" radiation, mean of minimum temperaturl. 



Rainfall, 2-22in. 



Evaporation, 3-30in. : in excess of rainfall, l^OSin 



Clouds, mean amount of 2 daily registers 5-23 



Ozone, mean of 2 daily registers 7-83 ' 

 vaS.'-lbs.'''^'''' ^'' ''^''^'^ foot, total of 2 daily obser- 



Ditto Horizontal movement, 2,550 miles 



AV. E.^OOBRIDGE, VaUeyfield. 



Rainfall at Hill Station, l,550ft. above sea level, 2-43in. 



