88 Meteorological Phcenomena observed at Swrnisea. 



minating perfectly the principal street of the town: this oc- 

 curred about 10 p.m. 



On Monday, Nov. 10, at ] p.m., the wind, which had been 

 perfectly cabn all the morning, suddenly rose, and with great 

 violence blew for a minute or two at a pressure of four 

 pounds to the square foot, and veered at the same moment 

 direct from E., at which the vane had been standing all the 

 morning, to W. continuing from that quarter for the remain- 

 der of the day, and immediately on so doing subsiding again 

 to a complete calm. 



This morning, Dec. 18, we were visited with a gale of 

 wind surpassed only in violence by that of the 8th of May 

 last. I send you the following table, drawn up from the actual 

 markings of my self-registering anemometer and pluviometer. 



Date. 



Hour. 



Pressure in Pounds 

 on Square Foot, 



Amount of Rain in lOOdth 

 of an Inch Cistern or 

 Receiver 1 foot square. 



Tuesday, Dec. 1 7. 



10 a.m. 



J. 







11 



1 







11 30min. 



3 







12 



3 







1 



n 







2 



4 







3 



3 







4 



H 







5 



5 







6 



2 







7 



2 







8 



6 



** 





9 



6 



From 9 to 10 0-03 





10 



5 







11 



5 



11 to 12 0-03 





11 SOmin. 



7 



12 to 1 0-02 





12 



9 



1 to 2 0-03 





1 



9 



2 to 3 003 





2 



10 



3 to 4 002 





3 



9 



4 to 5 0-01 





4 



10 



5 to 6 0-02 





5 



13 ! I 



6 to 7 0-01 





6 



8 







7 



7 







8 



8 







9 



6 



9 to 10 0-01 





10 



4 



10 to 11 0-01 





11 



3 



11 to 12 0-01 





12 



4 





Being a total of 0'21 of rain fallen from 10 a.m. on Tuesday 

 to 12 p.m. on Wednesday, the wind the whole time blowing 

 from the S.E., only twice for a minute or two getting to the 

 N. of E. viz. at 3 a.m. and 8 a.m. of December 18. 



