410 ESSAYS anp OBSERVATIONS 
In the latrer part of September, and 
from the rft tothe 15th of OGtober, 
Septemb. O80. 
The mean heat at. p.m. was 72. 66 
The mean nocturnal heat was 68 54 
The greateft heat at 2 /..m. was.79 75 
The leaft heat at 2 p.m. was 60 ‘n2, 
he greatet nocturnal heat was 71 70 
The leaft nocturnal heatwas 62 42 
The greateft increafe of heat in 
24 hours was re 4 
The greateft decreafe of heat in 
24 hours was Or tea a2 
In all the month of September, and in 
the greateft part of Odtaber, the wind 
was eafterly- 
THE depth of the rain in Auguft, Sep~ 
tember, and Odober refpeCtively, was 
6.881, 7442 and. 5.550 inches; which, 
theugh it exceeded the rain of theft three 
months taken together at a medium, from. 
the ten preceeding years, by 5.570 inches, 
yet it was inferior to that which fell in. 
the fame months in feveral cther years 5 
forin the years 1747; 50, 51,and 52, there 
felh 
