of Meteorological Operations. 241 
. BAROMETER. 
THE Barometer was the higheft on the fifth 
day of January, 1789, being on that day 30, g 
inches, and on the 18th. of the fame month it fell 
to 28,05 inches, whica was the loweft height dur- 
ing the preceding fourteen years. 
The mean height of the Barometer, when placed 
about fifty feet above high-water mark, may be 
flated at 29, 85 during the fummer half year, and 
from the beginning of September to the end of 
February, at 29, 75 inches. 
THERMOMETER. © 
THE Thermometer was higheft in the month 
of June, 1785, when it ftood for four days run- 
ning, about three o'clock in the afternoon, at 84°. 
and on the 26th. about the fame hour, it was 
at 86°.—It was found to be loweft in January, 
1784, when it ftood for four following days at 
11°. 12°. 14°. 14°. before fun-rife, and on the 
25th. it fell fo low as 8°. early in the morning. 
A ih 1 Average 
_ foot, in pound, ounce, and drachm meafures; but it was 
not thought neceffary to reduce them to heights in inches, 
as the comparifon may be eafily carried on from the total 
depths in correfponding months, 
