METEOROLOGICAL JOURNAL FOR MAY, 1829 
1829. 
May. 
9 o’clock, A.M. 
3 o’clock, P.M. 
Dew 
Point a 
External Thermometer, 
t 
Rain, i 
inches 
Read o 
n Direction 
of the 
F Wind at 
r. 9 A.M. 
Ba rom. 
Attach 
Therm 
Barom. 
Attach 
Therm 
9 A.M 
. in de- 
. grees o 
Fahr. 
Fahrenheit. 
Self-registering 
9 A.M 
3 P.M 
Lowes 
• Highesl 
" at9A.1V 
? 1 
29.641 
49.9 
29.654 
53.9 
47 
52.7 
56.7 
44.3 
57.3 
NNE 
h 2 
29.690 
56.7 
29.678 
57-7 
45 
58.5 
58.8 
46.8 
61.3 
wsw 
®Q 3 
29.702 
56.3 
29.610 
58.8 
50 
55.0 
57.6 
47.8 
59.4 
wsw 
D 4 
29.822 
58.3 
29.921 
59.4 
37 
52.8 
59.7 
46.3 
61.2 
0.019 
1 NNW 
<? 5 
30.044 
59.0 
30.029 
59.0 
46 
56.6 
58.6 
45.3 
60.3 
s 
5 6 
29.962 
57.6 
29.973 
61.8 
55 
547 
62.3 
53.6 
62.7 
wsw 
V- 7 
30.007 
58.7 
29.992 
60.7 
51 
55.3 
58.3 
44.4 
59.7 
w 
? 8 
30.185 
61.8 
30.161 
62.7 
53 
58.7 
63.6 
45.3 
64.6 
E 
h 9 
30.163 
60.7 
30.114 
63.3 
49 
57.7 
63.5 
48.4 
64.4 
NW 
©10 
30.092 
64.3 
30.052 
65.4 
52 
60.6 
66.5 
49.7 
69.2 
W 
5 11 
30.067 
65.7 
30.01 1 
65.3 
52 
60.0 
62.3 
51.5 
62.8 
ESE 
3 12 
29.978 
65.7 
29,941 
65.8 
51 
61.3 
61.7 
52.5 
65.2 
E 
5 13 
29.978 
65.6 
29.954 
64.7 
50 
61.3 
63.7 
46.8 
64.6 
ESE 
V- 14 
29.990 
63.4 
29.933 
65.7 
51 
58.5 
68.7 
49.6 
69.7 
W 
? 15 
30.001 
68.2 
29.982 
67.6 
47 
62.7 
69.5 
51.7 
70.3 
NNW 
h 16 
30.094 
61.0 
30.095 
64.3 
55 
55.7 
60.4 
52.4 
61.0 
0.097 
E 
G 17 
30.171 
66.4 
30.137 
65.7 
51 
60.8 
64.8 
47.7 
65.4 
E 
O D 18 
30.081 
65.7 
30.018 
64.5 
49 
61.7 
62.7 
46.2 
63.7 
ESE 
3 19 
29.925 
66.7 
29.908 
65-5 
54 
62.3 
65.3 
47.6 
66.7 
E 
£ 20 
29.961 
65.3 
29.957 
66.3 
49 
62.3 
69.0 
50.5 
69.8 
E 
n 21 
30.117 
69.7 
30.091 
68.3 
50 
64.2 
68.6 
51.3 
70.6 
NE { 
? 22 
30.163 
62.7 
30.135 
65.8 
47 
55.5 
67.9 
44.7 
69.3 
l 
N i 
Tj 23 
30.232 
69.0 
30.185 
69.0 
54 
62.8 
72.9 
49.4 
74.7 
NNE r 
024 
30.220 
74.2 
30.184 
68.7 
52 
65.7 
60.0 
52.3 
68.8 
W { 
D 25 
30.409 
62.3 
30.414 
62.3 
46 
53.4 
57.6 
46.6 
58.2 
0.197 
l 
NNE I 
d 
30.395 
58.8 
30.327 
62.8 
44 
54.0 
63.7 
46.9 
64.2 
NNE { 
5 27 
30.292 
64.7 
30.248 
64.2 
49 
59.6 
66.8 
46.7 
67.7 
N c 
2/. 28 
30.219 
66.3 
30.169 
66.2 
53 
62.3 
69.3 
48.8 
69.7 
NNE c 
? 29 
30.191 
61.7 
30.201 
65.7 
53 
57.5 
64.0 
49.4 
65.2 
N c 
Iz 3o 
30.189 
59.7 
30.183 
62.8 
44 
56.3 
57.5 
49.6 
59.4 
N i 
©31 
30.212 
62.7 
30.163 
63.8 
46 
56.0 
63.0 
46.2 
64.2 
W L 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Sum | 
30.071 
62.9 
30.046 
63.8 
49.4 
58.5 
63.4 
48.4 
64.9 
0.313 1 
! 
Remarks. 
Fine — lightly cloudy — light wind. 
Fine and clear — lightly cloudy. 
( Soft broken clouds— light wind. Even- 
l ing rainy. 
Fine and clear — light clouds. 
Fine — diffused clouds. Strong wind. 
Overcast— broken clouds. Light de- 
position A.M. 
Fine — cloudy. 
Fine — light clouds. 
wind. 
Evening Fine. 
Lightly cloudy— t 
Brisk wind. A 
Cloudless. 
P.M. Rain 
P.M. 
corrected for Capillarity and reduced to 32° Fahr. 
\ 9 A.M. 
' l 29.995 
3 P.M. 
29.968 
OBSERVANDA. 
Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge =83 f ee t 2* in. 
Ti v. ' i above the mean level of the Sea (presumed about),,,., =95 feet 
The External Thermometer is 2 feet higher than the Barometer Cistern. 
He, g ht 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. ‘ 
Ihe Thermometers are graduated by Fahrenheit’s Scale. 
The Barometer is divided into inches and decimals. 
