METEOROLOGICAL JOURNAL FOR APRIL, 1829 
9 o’clock, A.M. 
S o’clock P.M. 
Dew 
External Thermometer. 
1829. 
April. 
Point at 
Rain, in 
Direction 
Barom. 
Attach. 
Therm. 
Barom. 
Attach. 
Therm. 
y A.M. 
in de- 
Fahrenheit. 
Self-registering. 
inches. 
Read off 
of the 
Wind at 
9 A.M. 
Remarks. 
Fahr. 
a a.m. 
3 P.M. 
Lowest. 
Highest. 
5 i 
29.416 
44.3 
29.426 
47.5 
31 
39.8 
45.3 
34.7 
45.8 
NNW 
Lightly cloudy. 
n 2 
29.507 
41.9 
29.547 
45.7 
32 
36.4 
43.6 
30.7 
45.7 
0.047 
NW 
Fine — cloudy. Light snow at 7 A.M. 
O? 3 
29.678 
44.2 
29.699 
48.4 
31 
39.6 
48.3 
31.8 
48.3 
NW 
Fine— light clouds. 
h 4 
29.700 
48.3 
29.609 
51.7 
41 
47.8 
51.3 
36.8 
52.3 
S 
f A.M. Clear. P.M. Soft clouds. Even- 
l ing rainy. Light wind. 
O 5 
29.375 
50.7 
29.280 
53.6 
44 
49.0 
52.7 
43.8 
53.6 
0.034 
SSE 
f Fine and clear— light broken clouds. 
\ Brisk wind. 
D 6 
29.179 
52.0 
29.121 
54.8 
45 
50.3 
51.7 
44.2 
53.8 
S 
Soft broken clouds. Evening rainy. 
3 7 
29.161 
49.6 
29.203 
52.3 
44 
44.8 
50.3 
41.6 
51.2 
0.161 
SW 
f A.M. Thickly overcast. P.M. Fine 
\ and clear. Evening rainy. 
$ 8 
29.418 
49.0 
29.411 
52.5 
43 
46.0 
49.2 
37.6 
51.2 
0.056 
S 
Lightly cloudy — showery. 
V- 9 
29.206 
47.8 
29.222 
50.3 
43 
43.1 
46.2 
37.5 
47.2 
0.367 
ESE 
Cloudy and foggy. Rain A.M. 
9 10 
29.450 
52.6 
29.476 
55.3 
43 
48.5 
52.0 
39.8 
53.3 
0.172 
WSW 
Fine — lightly cloudy. 
h H 
29.632 
52.6 
29.593 
55.7 
40 
47.8 
53.7 
38.8 
56.1 
SW 
Fine — lightly overcast. Rain at night. 
012 
29.237 
53.3 
29.21 1 
57.3 
51 
51.8 
56.8 
47.3 
57.6 
0.158 
s 
/ Brisk wind. A.M. Lowering. P.M. 
1 Clear. Evening rainy. 
3) 13 
29.143 
56.7 
29.159 
55.6 
48 
54.4 
51.3 
48.5 
55.3 
0.055 
ssw 
A.M. Fine — brisk wind. P.M. Rain. 
3 14 
29.291 
55.3 
29.096 
57.2 
46 
51.7 
54.1 
42.7 
57.3 
0.136 
SSE 
f A.M. Fine. P.M. Rain. Evening 
l heavy rain and brisk wind. 
9 15 
29.137 
56.4 
29.246 
56.6 
43 
50.5 
54.0 
47.4 
54.4 
0.217 
S var. 
f Strong wind A.M. Lowering. P.M. 
-< Fine. At noon heavy rain and bois- 
n 16 
29.231 
52.3 
29.281 
52.5 
47 
47.3 
47.6 
44.7 
49.7 
0.033 
NNE 
C terous wind. 
Overcast and foggy — rain. 
9 17 
29.656 
53.7 
29.706 
55.2 
49 
49.7 
54.2 
39.4 
56.3 
0.152 
WSW 
Fine — soft clouds. Evening showery. 
h 18 
29.834 
54.3 
29.815 
56.3 
45 
51.8 
55.7 
44.8 
59.2 
0.028 
WSW 
Fine — light clouds and wind. 
0 019 
29.699 
55.3 
29.636 
56.3 
42 
51.2 
51.3 
42.3 
59.3 
WSW 
f A.M. Fine. P.M. Lowering— rain— 
l strong wind. 
3) 20 
29.742 
51.3 
29.820 
54.6 
40 
47.7 
53.0 
39.7 
53.3 
0.130 
NW 
Cloudy. 
<? 21 
29.840 
51.7 
29.691 
54.7 
41 
50.7 
53.5 
39.3 
56.4 
ESE 
A.M. Cloudy. P.M. Clear — brisk wind. 
9 22 
29.430 
51.3 
29.474 
51.9 
47 
47.4 
47.6 
45.9 
47.7 
E 
Overcast — light rain — brisk wind. 
V. 23 
29.692 
51.2 
29.725 
55.2 
43 
48.3 
56.6 
44.4 
56.7 
0.033 
E 
A.M. Overcast. P.M. Fine. 
9 24 
29.742 
51.1 
29.792 
52.8 
48 
48.3 
48.7 
44.7 
50.0 
NW 
Cloudy. 
b 25 
29.792 
49.7 
29.896 
47.2 
46 
45.8 
40.3 
43.5 
46.7 
0.200 
N 
Rain — light wind. 
0 26 
30.118 
50.2 
30.088 
51.7 
35 
46.8 
50.5 
35.4 
51.4 
0.213 
E 
Fine — lightly cloudy. 
3) 27 
29.775 
48.5 
29.585 
50.8 
39 
45.3 
51.0 
39.5 
51.7 
SSW 
A.M. Fine. P.M. Showery. 
3 28 
29.675 
49.4 
29.315 
50.7 
38 
44.7 
50.7 
39.5 
52.3 
0.094 
WSW 
r A.M. Overcast. P.M. Fine and clear 
l —violent wind. 
9 29 
29.687 
47.6 
29.757 
49.4 
29 
43.7 
43.7 
37.8 
46.3 
w 
A.M. Fine — brisk wind. P.M. Overcast. 
V 30 
29.906 
44.7 
29.873 
48.7 
27 
44.7 
45.8 
34.2 
52.2 
NNW 
Cloudy. 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Sum 
29.545 
50.6 
29.525 
52.7 
41.4 
47.2 
50.4 
40.6 
52.4 
2.286 
Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr { 29 502^' 
3 P.lVf. 1 
29.477 / 
.. =83 feet in. 
.. =95 feet. 
OBSERVANDA. 
Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge 
above the mean level of the Sea (presumed about) .. 
'Hie External Thermometer is 2 feet higher than the Barometer Cistern. 
Height of the Receiver of the Rain Gauge 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. 
= 79 feet 0 in. 
