C 357 3 
(/. e,) ‘ The Pic has put his little hat oil and look 
on it as a certain lign of rain. 
During the 6 or 7 years, that I lived in the villa 
of Oratava, as I had a continual light of the Pic, I 
have feveral times obferved the above phenomenon, 
and do not remember one inftance, in which the 
prediction of rain failed. 
LVIII. Obfervations of the Weather in Ma- 
deira, made by Dr. Thomas Heberden, 
and communicated by William Heberden, 
M. D. F. R. S. 
Sead Febr. 6, t J ^HE thermometrical obfervations 
l 7 S 2 - are ma d e Fahrenheit’s ther- 
mometer, and the calculations deduced from two 
obfervations daily ; at feven o’ clock in the morning, 
and at three in the afternoon. The fame method 
of calculation is to be underftood of the barome- 
ter. The rain fell thro’ a funnel 1 y inches in dia- 
meter. 
The Lefte, Levant, or hot winds, are very trou* 
blefome. The remedy is, to keep ourfelves within- 
doors. October 1749, comparing 2 of Fahrenheit’s 
thermometers together, one of them expofed on the 
north fide of my houle to the open air, the other 
within-doors, the difference was as follows : 
Lefte, OCt, 20. 
Hour 
10 
12 
4 
Therm, within-doors. Therm, expofed 
to the air. 
8l 
71 
7 6 
77 
82 
77 
Madeira 
