428 



The Rev. H. Lloyd on the Meteorology of Ireland. 



Table VII- Calculated Temperatures at In'land Stations. 



We learn that the defect of temperature due to inland position is, as might 

 have been expected, least in summer and greatest in winter. A small part of 

 this defect is due to elevation : but it is easily eliminated. The mean height of 

 the instruments at the coast stations above the level of the sea is 30 feet. We 

 have, therefore, only to subduct this from the known heights at the inland sta- 

 tions, and to correct for the difference of level at the rate of 1^ Fahr. for 276 

 feet, which is the mean of the determinations made by Mr. Welsh in his bal- 

 loon ascents, for the lower portion of the atmosphere lying beneath the great 

 vapour plane. The mean yearly results at the four inland stations, thus corrected , 

 are as follow : — 



