r 4» ] 



bviilding. The rain is colledled and weighed two or three times 

 a month. I began to ufe it on the ifl of July 1791. 



In my abfence thefe inflruments were daily obferved and 

 their indications noted by the Rev. Mr. Mc. Mahon, whofe 

 ikill and diligence in matters of this nature are well known. 



June 1791- 

 BAROMETER. 



Tuu grcatcj! height of the barometer in this month happened 

 on the 7th, and amounted to 30.4. Wind E. by S. Very warm 

 and fair. 



"^'' It ^ood lowejl on the 30th, being 29.55. Wind S. Windy 

 with fliowers, but warm. 



Its mean height during the month was 30.06. 



THERMOMETER. 



Great eft heat 74". 5 > wind E. by S. on the 7th. 



The leajl 42°, wind W. N. W. cloudy and rainy on the i6th. 



Mean of the month 5 8 ".76. 



In 



