Pressure of the Wind. 
291 
TABLE XXVIII. — Maximum Pressures of Wind, with the Maxima of the Daily Means, Tables 
XXIV. and XXV., and corresponding Directions of the Wind for each Month in 1843. 
Af nnth 
Maximum Pressure. 
Max. of Daily Means of Max. 
Pressures. 
Max. of Daily Means of Mean 
Pressures. 
d. 
h. h. 
n>. 
Pt. 
d. 
lb. 
Ft. 
d. 
tt>. 
Ft. 
\J CLll. LIC11 Y 
30 
6— 8 
9-8 
NW. 
30 
6-60 
w. 
30 
5-00 
w. 
February 
3 
20—22 
12-8 
N by W. 
4 
5-97 
N by W. 
4 
4-54 
N by W. 
jJA. (Ail \jLL 
13 
0— 2 
5-0 
WNW. 
31 
1-80 
SW by S. 
31 
1-93 
SW by S. 
April 
12 
4— 6 
5-5 
WNW. 
14 
2-41 
W by S. 
25 
1-92 
SW. 
May 
5 
0— 2 
4-8 
S. 
5 
2-47 
SSW. 
5 
1-51 
SSW. 
June 
. 7 
20—22 
3-6 
S by W. 
8 
2-57 
' SSW. 
8 
1-71 
SSW. 
July 
22 
10—24 
6-1 
NNE. 
3 
3-20 
sw. 
3 
2-31 
SW. 
August 
5 
8—10 
3-2 
wsw. 
5 
1-35 
SW by W. 
5 
0-56 
SW by W. 
September 
3 
0—18 
3-6 
W by S. 
18 
1-02 
sw. 
28 
0-52 
NNW. 
October 
11 
10—18 
7-5 
N by E. 
12 
3-42 
NNW. 
12 
202 
NNW. 
November 
21 
22—24 
7-2 
NW. 
22 
3-32 
W. 
29 
1-75 
WNW. 
December 
4 
10—18 
7-6 
sw. 
5 
3-96 
SW. 
5 
2-79 
SW. 
The greatest pressure of the wind in the year 1843 occurred February 4 d 20 h — 22 h , being 12-8 lb., the 
wind blowing from N. by W. 
The greatest mean daily pressure occurred January 30 d , the wind blowing from W. ; being, for the maxima 
between the hours of observation, 6*6 lb., and for the maxima at the hours of observation (or mean), 5 - 0 lb. 
The maximum pressure of the wind in three months occurs between l h p.m. and 9 h p.m. ; the greater 
number of the monthly maxima seem to occur between midnight and noon. 
The monthly maxima occurred on five months while the wind was blowing in the quadrant from N. to W. ; 
on four months while the wind was blowing from between S. and W. ; on one month while blowing from S. ; 
and on two months while blowing from between N. and E. 
All the monthly maxima of the daily means occurred with winds from between NW. by W., and SSW. 
