METEOROLOGICAL JOURNAL FOR MARCH, 1830 
9 o’clock, 
A.M. 
3 o’clock 
P.M. 
Dew 
External Thermometer. 
1830. 
Point at 
Rain, in 
Direction 
9 A.M. 
inches. 
of the 
Remarks. 
March. 
Barom. 
Attach. 
Therm. 
Barom. 
Attach. 
Therm. 
in de- 
grees of 
Tanrenneit. 
belt-registering. 
Read off 
at9A.M. 
Wind at 
9 A.M. 
Fahr. 
9 A.M. 
3 P.M. 
Lowest. 
Highest. 
2 1 
30.347 
49.8 
30.360 
53.5 
47 
48.3 
51.4 
46.3 
51.4 
w 
Fine— hazy. 
3 2 
30.430 
52.3 
30.421 
54.4 
49 
49.8 
51.5 
47.3 
51.7 
ssw 
Lightly cloudy. 
5 3 
30.423 
51.6 
30.383 
54.5 
45 
48.7 
52.2 
46.3 
52.4 
s 
Overcast. 
n 4 
30.228 
46-7 
30.032 
49.0 
34 
39.4 
43.0 
34.7 
43.3 
E 
Clear and cloudless — brisk wind. 
? 5 
29.981 
45.8 
29.954 
49.5 
36 
40.3 
48.6 
34.4 
48.6 
ENE 
Fine and clear — light wind. 
h 6 
30.030 
46.3 
29.987 
50.0 
38 
42.4 
49.5 
37.7 
50.3 
NE 
A.M. Light fog. P.M. Fine and clear. 
O 7 
30.005 
43.2 
30.005 
46.3 
36 
36.7 
42.8 
32.7 
42.8 
NNE 
f A.M. Light fog. P.M. Clear and cloud- 
t less — light wind. 
D 8 
30.038 
42.6 
29.971 
46.4 
36 
36.3 
46.4 
34.6 
46.4 
E 
A.M. Overcast. P.M. Fine and clear. 
O 3 9 
29.675 
45.3 
29.562 
46.6 
41 
43.7 
46.8 
35.7 
46.8 
SE 
Overcast— light continued rain. 
« 10 
29.643 
46.9 
29.674 
50.4 
46 
46.3 
50.2 
42.8 
50.6 
0.081 
NNW 
A.M. Rain. P.M. Fine. 
V - 11 
29.667 
49.7 
29.809 
53.4 
49 
51.1 
56.8 
45.3 
57.3 
0.039 
NW 
Light clouds and wind. 
? 12 
30.116 
52.3 
30.014 
51.2 
47 
50.2 
54.8 
44.2 
55.3 
WSW 
Fine — lightly cloudy. 
\ 13 
30.209 
50.3 
30.303 
53.5 
34 
44.7 
51.6 
40.2 
51.7 
w 
Fine — light clouds. 
014 
30.167 
48.7 
29.983 
53.5 
39 
44.3 
50.7 
37.6 
51.3 
sw 
Fine — lightly cloudy. 
2 15 
29.472 
48.6 
29.390 
50.4 
47 
47.6 
48.5 
40.8 
48.7 
ssw 
f A.M. Fine— broken clouds. P.M. Rain. 
1 Evening clear. 
3 16 
29.634 
46.7 
29.716 
49.5 
36 
43.3 
45.8 
35.8 
49.8 
0.019 
WSW 
f Fine and clear. Rain and hail at in- 
\ tervals. 
29.792 
47.8 
29.930 
51.6 
48 
49.7 
54.5 
40.7 
55.8 
0.022 
WSW 
Overcast— light wind. 
n is 
30.152 
50.7 
30.209 
53.9 
45 
52.3 
54.6 
45.6 
55.7 
WNW 
Light clouds and wind. 
? 19 
30.256 
53.3 
30.195 
55.8 
47 
50.5 
54.6 
48.3 
54.9 
ssw 
Overcast. 
Tz 20 
30.134 
52.6 
30.174 
54.8 
37 
46.6 
52.6 
44.4 
53.3 
0.033 
W var. 
Fine and cloudless— light wind. 
©21 
30.373 
51.6 
30.351 
55.4 
44 
45.5 
54.7 
41.7 
56.3 
W 
Fine and clear— light clouds. 
2 22 
30.179 
51.3 
30.021 
53.2 
43 
48.3 
49.4 
43.6 
50.5 
SSW 
Lowering — rain with light wind. 
3 23 
30.064 
50.8 
30.040 
53.3 
36 
45.7 
51.2 
39.4 
51.7 
WSW 
A.M. Overcast. P.M. Fine. 
® 5 24 
30.125 
52.8 
30.166 
54.9 
49 
52.2 
55.8 
45.4 
56.4 
w 
A.M. Light fog. P.M. Fine. 
n 25 
30.377 
51.5 
30.366 
56.5 
45 
48.3 
60.8 
41.3 
61.6 
w 
Fine — light clouds and wind. 
? 26 
30.561 
54.7 
30.566 
59.6 
45 
50.7 
65.0 
43.5 
65.7 
WSW 
Fine and cloudless — faint haze. 
1 z 27 
30.600 
55.7 
30.547 
60.1 
45 
51.3 
64.8 
45.7 
65.3 
w 
Fine and cloudless — light haze. 
028 
30.458 
53.4 
30.385 
59.3 
42 
51.3 
62.5 
45.4 
63.3 
N 
Clear and cloudless. 
2 29 
30.209 
50.2 
30.120 
57.5 
42 
43.7 
61.8 
40.3 
63.3 
E 
Fine and clear — light wind. 
3 30 
30.032 
53.7 
30.002 
58.8 
43 
51,4 
58.3 
43.3 
61.5 
N 
Clear and cloudless. 
29.792 
49.6 
53.8 
40.8 
E 
r Strong fog — Rain, with brisk wind, at 
5 31 
29.704 
54.0 
41 
44.6 
56.1 
l night. 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Sum 
30.102 
49.9 
30.075 
53.3 
42.3 
46.6 
53.1 
41.5 
53.9 
0.194 
Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32° Fahr. 
I 9 A.M. 
1 30.060 
3 P.M. > 
30.025 S 
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. 
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. 
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. 
