METEOROLOGICAL JOURNAL FOR FEBRUARY, 1830 
9 o'clock. 
A.M. 
S o'clock 
P.M. 
Den- 
External Thermometer. 
1830. 
Point at 
Rain, in 
Direction 
9 A.M. 
inches. 
of the 
Remarks. 
Barora. 
Attach. 
Barom. 
Attach. 
in do- 
Tahrenneit, 
Scli-rcgistcring. 
Read off 
Wind at 
February. 
Therm. 
Therm. 
grees of 
at9A.M. 
C7 AiBX. 
Fahr. 
9 A.M. 
3 P.M. 
Lowest. 
Highest. 
D 1 
29.S98 
26.7 
29.832 
27.8 
17 
22.6 
25.2 
20.1 
25.2 
0.014 
NNE 
Fine— cloudy — light wind. 
3 2 
29.809 
25.6 
29.789 
26.2 
17 
20.3 
20.0 
18.6 
20.6 
E 
Continued snow — light wind. 
5 3 
29.820 
24 A 
29.843 
24.8 
21 
22.3 
21.8 
17.7 
25.6 
N 
Light snow, with brisk wind. 
V 4 
29.848 
25.3 
29.775 
29.2 
20 
26.8 
30.0 
18.7 
30.4 
NNE 
Cloudy and hazy— light wind. 
¥ 5 
29.735 
25.8 
29.666 
28.2 
18 
22.3 
24.5 
18.7 
24.5 
NNE 
Snow — light wind. 
h fi 
29.575 
23.3 
29.581 
24.6 
17 
19.6 
20.8 
15.3 
28.8 
N 
Overcast and foggy— light wind. 
OO 7 
29.400 
26.7 
29.369 
30.3 
30 
30.7 
37.4 
18.5 
45.6 
SSE 
Overcast— light rain. 
D 8 
29.412 
36.2 
29.613 
42.8 
44 
44.8 
46.4 
29.4 
46.4 
SW 
CA.M. Lowering. P.M. Cloudless— 
i light brisk wind. 
3 9 
29.345 
41.3 
29.519 
43.4 
45 
45.2 
44.8 
40.2 
45.8 
0.389 
SSW 
("High wind with rain, early A.M.— 
L overcast — light rain. 
$ 10 
29.807 
39.6 
29.938 
42.2 
36 
36.6 
41.6 
33.3 
41.6 
w 
A.M. Foggy. P.M. Fine and clear. 
V 11 
30.173 
38.7 
30.175 
42.0 
36 
36.7 
43.2 
31.2 
43.2 
w 
Lightly overcast. 
¥ 12 
30.146 
42.6 
30.129 
45.0 
37 
37.7 
41.5 
35.5 
42.3 
!S 
Fine — light clouds and wind. 
k 13 
30.170 
40.4 
30.178 
42.5 
34 
34.7 
40.2 
32.5 
40.2 
SSE 
Fine— light wind and haze. 
014 
30.100 
38.5 
30.095 
39.3 
32 
32.3 
36.5 
30.2 
36.5 
SW 
Overcast— light fog. 
D 15 
30.314 
38.6 
30.330 
39.4 
33 
33.7 
38.2 
31.4 
38.2 
NE 
Overcast— light brisk wind. 
3 16 
30.331 
38.6 
30.276 
38.6 
33 
33.4 
34.8 
31.7 
34.8 
N 
Strong fog— light winch 
5 17 
29.983 
36.3 
29.829 
36.8 
30 
30.3 
33.5 
29.3 
35.5 
NW 
Overcast — brisk wind. 
n is 
29.698 
37.3 
29.732 
39.2 
35 
35.7 
37.0 
29.4 
37.3 
NNE 
A.M. Overcast. P.M. Fine — light wind. 
? 19 
29.773 
37.7 
29.766 
40.2 
34 
34.7 
37.0 
29.0 
37.7 
W 
Fine — lightly cloudy. 
h 20 
29.837 
35.8 
29.810 
39.2 
29 
30.3 
38.0 
26.3 
38.0 
wsw 
Fine — lightly hazy. 
021 
29.620 
37.3 
29.475 
41.5 
35 
37'0 
41.0 
28.4 
41.0 
SW 
Cloudy — light wind. Rain P.M. 
I> 22 
29.698 
37.1 
29.723 
39.8 
31 
34.6 
39.5 
30.0 
47.7 
0.342 
WSW 
Lightly cloudy. Rain P.M. 
® 3 23 
29.682 
42.4 
29.785 
45.2 
48 
48.3 
50.5 
33.7 
50.5 
0.075 
WSW 
Rain with light brisk wind. 
0 24 
29.970 
46.9 
30.062 
51.5 
49 
49.8 
55.4 
46.7 
55.5 
0.072 
w 
Overcast. 
n 25 
30.195 
50.3 
30.192 
53.0 
49 
49.4 
54.2 
47.0 
54.8 
SW 
Fine and cloudless. 
¥ 26 
30.076 
53.3 
30.068 
55.5 
50 
50.7 
53.0 
47.7 
54.3 
0.086 
SSW 
Light clouds and wind — rain at night. 
h 27 
30.068 
53.7 
30.071 
56.8 
51 
51.6 
55.8 
48.4 
56.3 
0.028 
w 
Fine — hazy. 
©28 
30.070 
52.7 
30.139 
55.8 
48 
48.7 
54.6 
45.8 
55.3 
wsw 
Fine — lightly overcast. 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Sum 
29.877 
37.6 
29.884 
40.0 
34.2 
35.7 
39.2 
30.9 
40.5 
1.006 
Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr j 
9 A.M. 
29.8(56 
3 P.M. ) 
29.867 > 
OBSERVANDA. 
Height of the Cistern 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. 
Tli' 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. 
The hours of observation are of Mean Time, the day beginning at Midnight. 
Tlie Thermometers are graduated by Fahrenheit’s Scale. 
'flic Barometer is divided into inches and decimals. 
