318 Meleorological Results.. 



June. — The first fortnight was cold and cloudy for the season, particularly from 

 the 1st to the 9ih, as the wind chiefly hlew frum the rast quarter, which had the 

 eftcct of retarding vegetation, particularly as tlie fall of rain had been trifling for 

 six weeks past. — It is vemarliable, tliat during tliis and the preceding month the 

 greatest extremes took place in tlie course of twenly-four hours: in the pre- 

 sent instance the difference of the extremes of the thermometer indicated '28', 

 the niaximuni being at 67", and the minimum 39": it was on the 9th, or upon the 

 day these changes took place, that the wind changed from E to S. — Much honey- 

 dew appeared upon currant-trees during the coiuinuance of the easterly winds. 

 'I'he latter part of the month was warm, and attended with occasional showers of 

 rain, which much revived the drooping slate of vegetation. 



Jri.Y. — Kain fell at intervals, and in larger ipiantities; which greatly accele- 

 rated the productions of the ground. — On the '2()th, about four o'clock in the even- 

 ing, there were very vivid lightning and loud thunder; after which an inch and a 

 half of rain fell in (he course of half an hour; wind blew strong but sultry from the 

 S\V. jirevious to the storm, but about the time of the thunder it became a complete 

 calm. — The temperature in consequence was lowered, but it soon showed a quick 

 and great augmentation, for ou the 2jth it was as higii as 80*, being the annual 

 maximum. 



August. — This month was decidedly very cloudy and showery, for there were 

 2'i days on which raiu fell lessor more, yet the monthly quantity only exceeds the 

 preceding month by one inch ; the tem|ieralure in consequence received a sensible 

 diminution — Prevailing winds, .SW and N\V; on the 6lh and two following day^ 

 it blew strong and boisterous from the former quarter, attended with heavy rain, 



September. — From the 1st to the iCth, the curve of temperature was lowered 

 IC", the minimum being as low as4ti", but at the end of a week from this depres- 

 sion it was raised to 74", which constitutes the monthly extremes.— This month has 

 been fine, brilliant, and dry j- prevailing wind SW. — On the 11th, at nine o'clock 

 in the evening, the sky being free from clouds, there was a luminous band, like an 

 halo, but much narrower, which extended quite across the hemisphere in the di- 

 rection from NNE to WW by S; itcontinued near an hour, gradually disappear- 

 ing, by diffusing its light laterally. 



October. — From the 1st to the 12th the weather became much colder, the 

 thermometer indicated two degrees below freezing, but which was at the end of four 

 days raised 26"; wind boisterous from SW; rain now fell in large quantities, and 

 continued so almost uninterruptedly to the end. 



Novi-MBER — Was noted for fluctuations of heat, interspersed with gloomy and 

 rainy days. — Mean monthly temperature about 40°, the minimum was as low as 

 '23* ; and which occurred on the 22d. 



December — l^pon the w hole was as mild as November, indeed the two monthly 

 extremes were several degrees higher. — On the 16tb the wind blew a violent hur- 

 ricane from the SSW nearly the whole of ihe day, its fury did mu<;h damage to 

 houses and other buildings by unroofing and otherwise damaging them.^Thore 

 was a great and sudden loss of barometrical pressure, for in the course of the day 

 the mercury lo^f nine-tenths of an inch.— Early on the morning of the 14th there 

 were thunder and lightning. 



The annual pressure of the barometer is 29, R99 inches 



Ditto of the thermometer 47'>,223 



Mean temperature of the six summer months . . . . .58",80 



Ditto ditto of the six winter months 38<',64 



Fall of rain in Manchester 26,470 inches ' 



Ditto upon Blackstone Edge 34,985 do 



Water evaporated from a surface of water '.JO, 163 do 



Spaces described by the barometer from its mean daily curve A3,25 do 



Number of barometrical changes 123 do 



Prevailing winds, SV\*t W. and E. 



MeUorO' 



