12 MSTKOKOLOGICAL REPOKT, 1867, 



At Greenwich, from October 1st to the 18th, the average de- 

 ficiency of mean temperature amounted to 8J° daily. 



For several days preceding the 27th the wind was light at 

 Greenwich ; on the m^orning of that day a pressure of 4Ib to the 

 square foot was recorded. After 9 a.m. ITH), and early in the 

 afternoon, the extreme gust of 30ib was registered, and then 

 the gale subsided. 



Wylam. — ^A very fine, dry month. Barometer very steady till 

 the 25th, when it fell (from 30-205 to 28-954) 1-251, with some 

 heavy wind from the west. 



On the 29th occurred the hurricane at St. Thomas', in the 

 West Indies, and on November 1st a furious cyclone in the Bay 

 of Bengal. 



Volcanic convulsions seem to have been singularly frequent in 

 all quarters of the world about this time. 



The mean height of barometer was 29-717. The mean tem- 

 perature was 47-23°, which is 1° below the average. 



Otterburn. — ^A beautiful month. Cold, except for a fevf days 

 in the early part. Temperature 60° on only one day. On four 

 days it was below 82°. 



Seaham. — Cold north-west winds prevailed at the beginning 

 of the month. Thermometer fell to 31° on the 4th. 



Alston. — The heaviest rainfall of the year was on the 26th, 

 when 1-10 inches were collected. 



Acklam, near Middlesbro'.- — On the whole a fine month, but 

 we had some stormy cold winds, with sharp frosts. 



Whitfield. — The temperature was below 32° on ten nights. 

 On the 3rd it fell to 27°. 



Snow fell at Whitley on the 3rd, 4th, and 27th. On the 4th 

 and 5th at Seaham. 



Lightning was seen but thunder not heard at Whitley on the 

 2nd and 29th, and at AUenheads on the 17th. 



