METEOROLOGICAL JOURNAL FOR FEBRUARY, 1831 
9 o’clock, 
A.M. 
3 o’clock. 
P.M. 
Dew 
External Thermometer. 
1831 
Feb. 
Point at 
Rain, in 
inches. 
Read off 
at9A.M. 
Direction 
Barora. 
Attach. 
Therm. 
Barom. 
Attach. 
Therm. 
9 A.M. 
in de- 
grees of 
Fahrenheit. 
Self-registering. 
of the 
Wind at 
9 A.M. 
Remarks. 
Fahr. 
9 A.M. 
3 P.M. 
Lowest. 
Highest. 
3 
1 
29.099 
33.4 
29.047 
36.5 
31 
31.9 
34.9 
26.7 
35.7 
ESE 
A.M. Snow. P.M. Fine — light clouds. 
5 
2 
29.173 
35.3 
29.126 
37.8 
32 
34.4 
36.0 
29.7 
38.7 
0.175 
SSE 
Overcast. Light rain and snow P.M. 
n 
3 
29.418 
34.9 
29.235 
37.0 
33 
34.3 
35.9 
28.3 
41.4 
S 
Overcast. Light rain P.M. 
¥ 
4 
28.954 
41.3 
29.204 
41.2 
42 
42.3 
38.3 
33.3 
42.3 
0.250 
E 
Overcast. Foggy A.M. 
h 
5 
29.642 
40.4 
29.782 
41.6 
33 
37.5 
38.7 
33.7 
38.7 
0.072 
W 
f A.M. Overcast. P.M. Fine— light 
\ clouds. 
O 
G 
29.8S8 
37.6 
29.775 
40.3 
30 
31.8 
37.7 
29.4 
44.4 
SSE 
Lightly overcast. 
3) 
7 
29.512 
40.7 
29.612 
44.4 
46 
46.4 
51.2 
30.5 
51.7 
0.325 
SSW 
Cloudy— light wind. 
3 
8 
29.893 
46.5 
29.918 
49.5 
51 
51.3 
52.8 
45.7 
54.3 
S 
f Overcast. A.M. Light wind and fog. 
t P.M. Rain. 
5 
9 
30.004 
51.3 
30.054 
54.4 
53 
54.5 
58.7 
50.7 
59.5 
SSW 
T Lightly cloudy— light wind. P.M. Fine 
(. and clear. 
n 
10 
30.234 
53.4 
30.231 
55.2 
47 
52.6 
57.8 
49.3 
57.7 
S 
Light clouds and wind. 
¥ 
11 
30.254 
53.7 
30.274 
57.0 
49 
49.5 
55.5 
46.7 
55.7 
SSW 
Fine— light clouds. 
• h 
12 
30.292 
53.7 
30.289 
55.2 
50 
50.3 
52.8 
48.4 
52.8 
0.025 
w 
Fine — lightly cloudy and foggy. 
o 
13 
30.236 
52.8 
30.193 
53.8 
48 
48.7 
49.4 
47.3 
49.4 
0.017 
SSE 
Overcast — lightfog. Rain P.M. 
D 
14 
30.237 
51.5 
30.229 
53.0 
45 
46.5 
48.6 
45.3 
48.6 
0.011 
wsw 
Lightly cloudy. 
3 
15 
30.131 
48.7 
29.984 
50.6 
41 
41.0 
48.9 
40.3 
48.9 
ESE 
r A.M. Overcast — lightfog. P.M. Fine 
t and cloudless. 
5 
16 
29.893 
49.7 
29.956 
52.5 
46 
46.7 
52.0 
40.6 
52.3 
0.028 
WSW 
( Fine — light clouds. Afc3£P.M. Heavy 
t rain with hail. 
V- 
17 
29.949 
48.7 
30.085 
49.8 
43 
43.6 
47.0 
41.3 
47.1 
0.097 
NW 
Lightly cloudy — light wind. 
¥ 
18 
30.201 
46.7 
30.176 
49.9 
40 
40.6 
46.4 
37.1 
46.6 
0.014 
W 
Lightly cloudy— light wind and fog. 
h 
19 
30.045 
45.0 
30.030 
48.5 
43 
43.8 
45.7 
37.9 
47.7 
w 
j A.M. Foggy. P.M. Fine — light clouds 
l and wind. Rain. 
O 
20 
29.955 
45.3 
29.958 
4G.3 
36 
41.0 
41.8 
38.7 
41.8 
0.069 
NNW 
Lightly cloudy and foggy— light wind. 
D 
21 
30.053 
41.4 
30.045 
44.5 
32 
36.8 
42.0 
32.7 
42.0 
NNW 
Lightly overcast — light wind. 
3 
22 
30.027 
42.3 
30.145 
43.2 
38 
38.7 
39.9 
36.3 
39.9 
0.017 
SSW 
Overcast. — P.M. Light rain and wind. 
¥ 
23 
30.403 
41.3 
30.354 
43.8 
37 
38.5 
41.6 
35.3 
43.8 
NNW 
Overcast. 
n 
24 
30.139 
43.7 
30.079 
44.8 
44 
44.6 
46.6 
37.2 
46.6 
W 
Foggy. 
¥ 
25 
29.824 
46.7 
29.780 
48.3 
44 
44.6 
45.8 
42.0 
45.8 
w 
r A.M. Foggy. P.M. Fine— light clouds 
t and wind. 
O h 
26 
29.190 
46.6 
29.227 
49.3 
45 
45.3 
46.8 
39.7 
51.3 
0.039 
wsw 
Fine — light clouds. Showery. 
027 
29.272 
45.2 
29.220 
48.6 
41 
41.7 
50.3 
36.7 
51.3 
0.125 
s 
f A.M. Rain. P.M. Fine and clear— 
1 1 brisk wind. 
D 28 
29.537 
41.7 
29.576 
47.4 
39 
39.8 
45.7 
36.3 
46.5 
0.181 
wsw 
Fine and clear — light haze. 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Sum 
I 
29.837 
45.1 
29.842 
47.3 
41.4 
42.8 
46.0 
38.5 
47.2 
1.445 
Monthly Mean of the Barometer, corrected for Capillarity and reduced to'32° Fahr. 
9 A.M. 
\ 29.802 
3 P.M. ; 
29.800 i 
OBSERVANDA. 
Height of the Cittern of the Barometer above a Fixed Mark on Waterloo Bridge =83 feet 2 \ in. 
above the mean level of the Sea (presumed about) =95 feet. 
The external Thermometer is 2 feet higher than the Barometer Cistern. 
Height of the Receiver of the Rain Gauge above the Court of Somerset House =79 feet 0 in. 
I he 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. 
