C 12 3 
1826. 
9 o’clock A. M, 
3 o’clock, P. M. 
Dew 
Point at 
9 A. M 
External Thermometer. 
Rain, in 
Direction 
- —— - :- 
, 
inches. 
of the 
August. 
Barom. 
Attach ec 
Thermo- 
Barom. 
Attached 
in de- 
Fahrenheit. 
Self-registeru)g. 
Read off 
Wind at 
9 A. M. 
Remarks. 
Thermo- 
grees of 
1 
1 
meter. 
meter. 
Fahr. 
9 A.M. 
3P. M. 
Lowest. 
Highest. 
__ 
1 
i « 
1 
30.103 
74.0 
30.101 
78.5 
65 
71-5 
78.5 
68.0 
80.0 
NNE 
Fine—light clouds. 
1 ^ 
2 
30.023 
70.0 
29.994 
76.0 
63 
68.0 
76.0 
63.0 
77-0 
E 
Fine—thin spreading clouds. 
3 
29.911 
68.0 
29.911 
72.0 
66 
65.2 
72.0 
64.8 
73-8 
0.042 
NNE 
< Overcast. At lO" 30“ P.M. lightning 
( and heavy rain. 
? 
4 
29.994 
65.2 
30.008 
72.6 
61 
63-5 
71.0 
59-2 
73-2 
0.125 
N 
Overcast and lowering. 
T? 
5 
30.041 
63-3 
30.081 
68.0 
62 
61.5 
67.0 
58.0 
69.2 
0.166 
N 
Overcast and gloomy. 
© 
6 
30.109 
67.8 
30.137 
71.9 
57 
65.5 
71.9 
58.0 
73-5 
NW 
Fine—light clouds. 
D 
7 
30.216 
70.0 
30.198 
73-0 
55 
67.8 
73-5 
63.0 
74-8 
SSW 
Fine— light clouds. 
S 
8 
30.119 
71.0 
30.095 
74.6 
65 
69.8 
74-6 
62.0 
75-7 
SW 
Fine—nearly cloudless. 
1 5 
9 
30.029 
69.0 
29.994 
74-0 
59 
67.9 
74-0 
62.4 
74-6 
0.031 
N 
Sky overspread with small clouds. 
: ^ 
10 
30.000 
67.6 
29.922 
71-5 
59 
67.8 
71.0 
61.6 
72.6 
E 
Fine—nearly cloudless. 
11 
29.905 
65.0 
29-831 
65.4 
61 
62.0 
63.0 
60.0 
65.5 
0.125 
SSW 
Overcast—showery. 
h 
12 
30.016 
64.8 
30.045 
68.0 
53 
63-5 
67,5 
55-2 
70.5 
0.010 
WbyS 
Fine—light clouds. 
0 
13 
30-247 
65.0 
30.196 
69.0 
55 
64-3 
68.7 
55-0 
70.6 
wsw 
A,M. cloudless. P.M. cloudy and overcast. 
5 
14 
29.994 
67.0 
29.920 
72.5 
56 
66.5 
72.2 
56.5 
75-5 
SSW 
fFine—cloudy—brisk wind. Boisterous 
\ wind during the night. 
$ 
15 
30.124 
66.2 
30.041 
70.0 
54 
66.0 
70.0 
57.0 
72.0 
SSW 
Fine and clear—strong breeze. 
5 
16 
29.946 
66.8 
29-994 
69.0 
64 
65.0 
69.0 
61.2 
70.3 
0.031 
SSW 
fA.M. lowering—brisk wind—showery. 
\ P.M. fine—light clouds. 
0% 
17 
30.136 
65.6 
30.134 
70.5 
57 
64.5 
71.0 
56.6 
73-0 
wsw 
Fine—light stretching clouds. 
? 
18 
30.316 
69.2 
30.326 
74-5 
65 
69.8 
75.5 
64.2 
76.4 
SSW 
Fine—light fleecy clouds. 
h 
19 
30.322 
70.0 
30.241 
75-0 
57 
69.5 
75-2 
63.0 
77-6 
SW 
Fine—nearly cloudless. 
0 
20 
30.095 
70.5 
30.031 
77-8 
66 
70.0 
79-0 
62.7 
81.2 
NE 
Fine and clear—nearly cloudless. 
D 
21 
29.948 
65.0 
29-938 
71.2 
59 
63.0 
70.5 
61.2 
72.5 
NNE 
Cloudy and foggy. 
S 
22 
29.905 
68.4 
29.930 
72.0 
60 
67.0 
72.5 
61.6 
74-0 
ESE 
Fine. Strong unsteady wind during the night 
§ 
23 
29-837 
68.0 
29-735 
70.0 
62 
66.5 
69.0 
62.0 
71.8 
0 
b 
0 
SSW 
Lowering—strong, unsteady wind. 
24 
29.716 
70.0 
29-738 
70.6 
60 
65.8 
70.5 
61.0 
73.8 
SW 
A.M. nearly cloudless. P.M. very cloudy. 
s 
"5 
29.798 
70.4 
29.720 
73.0 
62 
69.5 
74-5 
64.8 
75-9 
0 
0 
6 
SSW 
/Fine—brisk wind. At 8 P.M. thunder 
\ and lightning, with rain—sultry. 
h 
26 
29.821 
66.9 
29.823 
69.6 
^3 
65.5 
68.5 
62.8 
70.6 
SSW 
Fine—light broken clouds—brisk wind. 
: ® 
27 
29.950 
66.5 
30.008 
69.0 
56 
63-5 
68.0 
57-5 
70.0 
WbyN 
Cloudy. 
D 
28 
30.004 
66.2 
30.014 
71.2 
63 
63.0 
69.9 
58.5 
72.5 
ESE 
Cloudy and lowering. 
i 
29 
29 956 
70.8 
29.893 
72.6 
68 
68.8 
73-0 
65.6 
74-5 
0.010 
SE 
Fine and clear—light clouds—showery. 
‘ 5 
30 1 
29.764 
70.5 
29.706 
74-0 
66 
70.4 
74-5 
64.9 
77-5 
SSE 
Fine—cloudy. 
% 
31 1 
29.849 
67.8 
29.848 
70.5 
60 
65.0 
69.0 
63.0 
71-5 
WbyN 
Cloudy and overcast. 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Sum 
30.006 
67.9 
29.985 
71.8 
60.6 
66.4 
71.6 
61.2 
73-6 
0.550 
Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr, 1 29^9^' 
3 P. M.) 
29.886 5 
OBSERVANDA. 
Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge . 
.above the mean level of the Sea (presumed about) 
The External Thermometer is 2 feet higher than the Barometer Cistern. 
Height of the Receiver of the Rain Gage above the Court of Somerset House .. 
The hours of observation are of Mean Time—the day beginning at Midnight. - 
The Thermometers are graduated by Fahrenheit’s Scale. 
The Barometer is divided into inches and decimals. 
= 83 ft. 2| in. 
= 95 ft- 
=; 79 ft. o in. 
