88 Meteorological Phcenomena observed at Swansea, 
minating perfectly the principal street of the town: this oc- 
curred about 10 p.m. 
On Monday, Nov. 10, at 1 p.m., the wind, which had been 
l)c.rfectly calm all the morning, suddenly rose, and with great 
violence blew for a minute or two at a pressure of four 
pounds to the square foot, and veered at the same moment 
direct from E., at which the vane had been standing all the 
morning, to W. continuing from that quarter for the remain- 
der of the da}’, and immediately on so doing subsiding again 
to a complete calm. 
This morning, Dec. 18, we were visited with a gale of 
wind surpassed only in violence by that of the 8th of May 
last. I send you the following table, drawn up from the actual 
markings of my self-registering anemometer and pluviometer. 
Date. 
Hour. 
Pressure in Pounds 
on Square Foot. 
Amount of liain in lOOdth 
of an Inch Cistern or 
Receiver 1 foot square. 
Tuesday, Dec. 17. 
10 a.m. 
i 
-2 
11 
1 
11 30 min. 
3 
12 
3 
1 
n 
2 
4 
3 
3 
4 
H 
5 
5 
6 
2 
7 
2 
8 
6 
9 
6 
From 9 to 10 
0-03 
10 
5 
11 
5 
11 to 12 
0-03 
11 30 min. 
7 
12 to 1 
0-02 
12 
9 
1 to 2 
0-03 
1 
9 
2 to 3 
003 
2 
10 
3 to 4 
002 
3 
9 
4 to 5 
0-01 
4 
10 
5 to 6 
0-02 
5 
13 ! 1 
6 to 7 
0-01 
C 
8 
7 
7 
8 
8 
9 
6 
9 to 10 
0‘01 
10 
4 
10 to 11 
0*01 
11 
3 
11 to 12 
O'Ol 
! 12 
4 
Being a total of 0*21 of rain fallen from 10 a.m. on Tuesday 
to 12 }).m. on Wednesday, the wind the whole time blowing 
from the 8.E., only twice for a minute or two getting to the 
N. of E. viz. at 3 a.m. and 8 a.m. of December 18. 
