XV. 



OCTOBER, 1874. 

 Private Observatory, Hobart Town. 



Bar. 37ft abv 

 sea level, cor- 

 rected and 

 reduced. 



Self-registering 

 Thermometers. 



tz'a 



In. In 

 l; 30-321 30-287168 44 



2 30-314 30125 70 40 



3 29-917 29-815 70 46 



4 29 915 29784 64 50 



5 30 115 30 112 65 44 



6 30-142 30-12160 47 



7 30 012 29-873 ;81 47 



8 29-937 29 752 81 58 

 9,29-907 29-728 73 52 



10 29984 29731 77 47 

 Hi29-5S4 29-464:85 60 

 12 30*178 30-137:76 45 



Wind. 



£J* 



75 45 

 66 51 



62 46 



63 44 

 70 50 

 83 48 



13 29-958 29714 



14 29-971 29-749 



15 30-293 30 259 



16 30-168 29-923 



17 30-182 30 126 



18 30 176 29-915 



19 29 936 29 -917 i81 61 



20 29 97128-910 69 51 



21 30115 30110!66 44 



22 30-209 30 095 68 40 



23 30 152 30-127 i67 44 



24 30 087 29-915 66 42 



25 29-622 29'52S|78 54 



26 29-450 29 303 71 50 



27 29-682 29 "650 68 51 



28 29-932 29 889 71 48 



29 29-935 29871 69 52 



30 29692 29-611 '75 50 

 3129-509 29-476 7147 



99 41-0 



101-0 35 



102-0 39-0 



97-5 42-5 



99 40 5 



69-0 43-0 



107-0 46-0 



1045 57-0 



| 98-0 49 



! 113-0 44-0 



j 114-0 52-0 



96 41-5 



105-0 ,41-5 



I 93-5 |45-0 



I 99'0 .43-5 



84-5 [40-0 



I WO J43 5 



! 115-0 |44-5 



101-0 ,550 



42 



99-0 138-0 

 100-0 36-0 



,111-0 

 96 



IOS'5 ]48'5 

 107-5 44-0 



103-0 

 1080 



48-0 

 45 



[105 43-5 

 107-0 ! 45-0 

 11070 440 



Monthly mean 61 "38 93-56 14368 Total Force. ..18318 

 29-904 



NW SE 

 NW SE 

 N NW S 

 NSSW 

 NE N 

 NW W NW 

 NW SW 

 SW NW 



SW 



NW N 



SW W SW 



S SE 



NWS 



NESW 



SW SE 



NW 



NW NE S 



NW SE 



NW S SW 



SW 



NW SE 



W SE S 



W SE 



NE E 



NW SE 



NW SW 



N NW 



NW N 



NW N 



W NW 



NE SW N 



3-12 

 104 



1-30 

 •52 



ss a - 



«s u o a> 



to >^ ^3 

 a ?> 93 



•3 > s- u 



&■ > <D a> 



*"■% g 



« a 3 



C O fl A 



■a ^2 si 



.2 «> r^ 



'en M x 

 o S S 

 u pj o3 



c a cs 



CH-I St 



•Sog 



a * 



o „ 



0-97 V H 2 



H S2 

 cs a 



Barometer mean, 29904m., being - 126in. above the average. 



Temperature mean, 61-38°, being 6 99° above the average. 



Solar intensity mean, 98 "56°, being 1 44° above the ditto. 



Dew point mean, 460°, being 146 J above the ditto. 



Humidity of air mean, "60, being -13 per cent, below ditto. 



Elastic force of vapour mean, '324, being 031 per cent, above the ditto. 



Total amount of rain, 0"97in., being 109in. below the ditto. 



Increase of spontaneous evaporation on rainfall, 4 40in. 



Mean amount of ozone, 6 - 40, being 144 of chromatic scale below ditto. 



Electricity active all through the month, with only one register nil on the r 25th. 

 The force of electricity in the atmosphere is very arbitrary, when the air is clear 

 and sky serene, the electricity is generally plus. In damp and rainy weather it is at 

 a minimum. There are two positive, and two negative, every 24 hours. Lightning on 

 the eve of the 30th. 



FRANCIS ABBOTT. 



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

 Gardens during the month. 



10th.— Carpinus betulus commencing to leaf. 



10th. — ^ilanthus glandulosus ditto ditto. 



22nd. — Common Lime ditto ditto. 



22nd.— Black Mulberry ditto ditto. 



24th. — Ulmus campestris seeds commencing to fall, 



26th.— Melia azederach commencing to leaf. 



