a Meteorological Journal kept at Carlisle. 



431 



TABLE V. EXHIBITING THE QUANTITY OF KAIN OF EACH MONTH FOR 24 YEARS, AND THE 



ANNUAL QUANTITY OF EACH YEAR. 



The following are the mean results of the Fall of Rain during 24 years, divided into periods similar to those 

 of the Thermometer and Barometer : 



The mean quantity of rain of the first six years, 1801 1806, .... 30,205 inches. 



Mean quantity of rain of the second six years, 1807 1812, 29,585 



Mean quantity of rain of the third six years, 1813 1818, . 29,33 



Mean quantity of the last six .years, 1819 1824, . . . . . . . : '. 33,163 



Mean quantity of the first twelve years, 1801 1812, 29,895 



Mean quantity of the last twelve years, 1812 1824, 31,246 



Mean for the first eighteen years, 18011818, 29,706 



Mean of twenty-four years, 1801 1824, 30,571 



The highest annual mean height of the barometer that has occurred is 29,903. This was in the year 1813, 

 and the quantity of rain during that year,. 26,87 inches, was the least that has fallen in one year during the 

 period of the journals. 



The lowest annual mean of the barometer, 29,77, was in 1823, and the quantity of rain of that year, 35,51 

 inches, the greatest in the journal, except in the year 1804, when the quantity was 35,845 ; barometer 29,8619. 

 It may be remarked, that an unusually large quantity of rain fell at Carlisle during the last seven years. 

 The greatest fall of rain in one month during 24 years, took place in August 



1804; mean barometric pressure of the month, 29,89, 6,270 inches. 



The least fall of rain in one month during 24 years, was in March 1808 ; mean 



barometric pressure of the month 30,20, 0,20 



