METEOROLOGICAL JOURNAL FOR SEPTEMBER AND OCTOBER, 1840. 
1840. 
9 o’clock, A. M. 
3 o’clock, P.M. 
I)ew Point at 9 
A.M.,deg. Fahr. 
Dill, of Wet and 
Dry Bulb 
Thermometer. 
External Thermometers. 
'S'S . 
Direction of the 
Wind at 
9 A.M. 
REMARKS. 
Barometer 
uncorrected. 
Att. 
Barometer 
uncorrected. 
Att. 
Ther 
Fahrenheit. 
Self-registerin 
Flint 
Glass. 
Crown 
Glass. 
Ther. 
Flint 
Glass. 
Crown 
| Glass. 
9 A.M 
3 P.M 
Lowes 
Highes 
■§« 
T 1 
W 2 
T 3 
F 4 
S .5 
© 6 
M 7 
T 8 
W 9 
T 10 
0 F 11 
^ S 12 
|©13 
g M 14 
^ T 15 
gWl6 
”T17 
F 18 
S 19 
©20 
M21 
T 22 
W23 
T 24 
© F 25 
S 26 
©27 
M 28 
T 29 
W30 
30.034 
29.756 
29.664 
29.826 
30.012 
30.276 
30.132 
■ 30.180 
30.044 
30.014 
29.994 
30.024 
29.900 
29.474 
29.314 
28.892 
29.550 
29.896 
29.880 
30.036 
30.026 
29.500 
29.402 
29.530 
29.796 
30.062 
30.014 
29.790 
29.624 
29.998 
30.026 
29.748 
29.656 
29.818 
30.004 
30.268 
30.124 
30.172 
30.036 
30.006 
29.986 
30.016 
29.894 
29.466 
29.306 
28.888 
29.542 
29.890 
29.872 
30.028 
30.018 
29.494 
29.396 
29.522 
29.788 
30.054 
30.006 
29.782 
20.618 
29.990 
66.7 
77.9 
66.8 
69.7 
66.3 
69.0 
68.5 
68.0 
62.8 
64.0 
61.9 
66.4 
64.9 
55.9 
67.3 
62.4 
60.7 
55.3 
56.3 
52.3 
55.0 
55.4 
52.3 
53.0 
53.3 
53.4 
55.7 
55.4 
58.2 
55.5 
29.904 
29.674 
29.748 
29.826 
30.042 
30.228 
30.088 
30.158 
29.996 
30.020 
29.952 
29.966 
29.764 
29.308 
29.306 
28.858 
29.660 
29.888 
29.908 
30.036 
29.946 
29.500 
29.498 
29.574 
29.944 
29.966 
29.980 
29.654 
29.630 
30.004 
29.896 
29.668 
29.740 
29.818 
30.034 
30.220 
30.080 
30.150 
29.988 
30.012 
29.944 
29.958 
29.758 
29.300 
29.300 
28.852 
29.652 
29.880 
29.900 
30.030 
29.938 
29.496 
29.492 
29.566 
29.936 
29.958 
29.976 
29.648 
29.624 
29.996 
69.7 
71.6 
68.2 
65.3 
65.3 
64.7 
65.7 
65.0 
63.8 
65.2 
63.7 
61.5 
60.0 
57.9 
57.4 
57.7 
56.6 
55.0 
56.2 
54.0 
56.0 
55.3 
54.7 
54.9 
54.8 
55.0 
57.0 
57.2 
58.5 
57.2 
63 
66 
61 
58 
57 
55 
58 
56 
57 
59 
55 
52 
48 
49 
50 
49 
48 
45 
49 
44 
45 
50 
45 
48 
49 
46 
48 
52 
53 
49 
04.0 
06.8 
06.0 
07.2 
05.7 
05.6 
06.3 
04.5 
05.2 
05.2 
03.8 
1 05.9 
05.9 
06.1 
04.0 
06.8 
06.2 
05.3 
04.6 
05.9 
05.3 
04.8 
04.8 
04.8 
02.3 
03.0 
04.5 
04.4 
04.4 
04.7 
65.9 
69.8 
60.3 
61.8 
60.0 
59.8 
62 6 
58.4 
62.3 
61.3 
60.0 
56.8 
53.8 
54.3 
51.2 
55.7 
55.3 
51.3 
53.3 
51.3 
54.5 
55.2 
51.4 
53.2 
50.2 
50.7 
55.4 
56.3 
55.5 
52.8 
74.0 
70.7 
62.7 
60.4 
65.2 
68.3 
65.8 
64.7 
65.8 
65.7 
62.8 
60.8 
58.6 
53.2 
54.3 
53.8 
58.2 
57.7 
54.6 
55.0 
58.8 
49.7 
57.0 
56.3 
54.3 
57.7 
61.8 
58.0 
56.3 
56.4 
54.3 
63.9 
56.3 
52.6 
51.2 
50.8 
57.3 
52.3 
56.7 
60.7 
51.9 
47.2 
45.2 
46.0 
45.9 
46.9 
45.7 
41.7 
49.3 
42.4 
45.0 
52.4 
44.6 
48.0 
50.0 
45.4 
49.0 
51.3 
50.2 
46.3 
72.9 
76.2 
75.7 
64.2 
64.8 
67.2 
69.8 
68.0 
66.7 
68.0 
66.8 
65.3 
62.2 
60.7 
59.4 
60.8 
60.0 
59.3 
59.7 
56.6 
57.8 
62.5 
56.7 
58.8 
59.3 
56.5 
60.6 
63.8 
60.3 
59.0 
.236 
.122 
.041 
.283 
.130 
.111 
.083 
.333 
.097 
.019 
.130 
.269 
N 
S 
w 
s 
w 
s 
sw 
NW 
S 
WNW 
SW 
W 
SW 
s 
w 
s 
SW var 
W 
NNW 
WNW 
S 
S 
wsw 
E 
NW 
SW 
s 
SE 
S 
W 
f A.M. Cloudy — light wind. P.M. Fine— nearly cloudless — light wind. 
1 Evening, Fine and starlight. 
[A.M. Fine— nearly cloudless. P.M. Fine — light clouds and wind. 
1 Evening, Overcast — heavy rain. 
[A.M. Overcast— It. wind— rain early. P.M. Fine— it. clouds and 
t wind. Ev. Fine & starlight. [Fine and starlight. 
A.M. Cloudy — light wind. P.M. Cloudy— light rain and wind. Ev. 
[A.M. Light haze and wind. P.M. Cloudy— light wind. Evening, 
l Fine and starlight. 
A.M. Fine— nearly cloudless. P.M. Fine— light clouds. Ev. Cloudy. 
/A.M. Fine— light clouds and wind. P.M. Cloudy— light rain and 
[ wind. Evening, Cloudy. 
[A.M. Fine — nearly cloudless— light fog. P.M. Thick haze. Even- 
l ing, Cloudy— very slight rain. 
Overcast— brisk wind throughout the day, as also the evening. 
[A.M. Overcast— rain early — high wind throughout Hie night. P.M. 
1 Fine— light clouds. Evening, Fine and starlight, 
f Fine— light clouds and breeze throughout the day. Evening, Fine 
l and starlight. 
Fine— It. clouds and wind throughout the day. Ev. Fine and clear. 
A.M. l ight Fog. P.M. Fine — light clouds. Evening, The like. 
[A.M. Overcast — light wind. P.M. Overcast— light rain and wind — 
/ great depression in barometer. Evening, Heavy rain. 
1 Fine— light clouds and wind throughout the day. Evening, Over- 
\ cast— light rain— high wind. 
/A.M. Fine— It. clouds & wind. P.M. Overcast — It. showers— brisk 
l wind. Ev. Fine and starlight. [and starlight. 
Fine — light clouds — brisk wind throughout the day. Evening, Fine 
[A.M. Fine — light clouds and fog. P.M. Fme — light clouds <v wind 
l — i past 5, rainbow, with slight rain. Evening, Fine and clear. 
[A.M. Fine — light clouds— high wind. P.M. Cloudy — bri*k wind. 
1 Ev. Fine and starlight. [Fine and starlight. 
A.M. Fine— nearly cloudless — It. fog. P.M. Overcast— It. wind. Ev. 
[A.M. Fine— lightclouds and wind. P.M. Cloudy— light brisk wind. 
1 Evening, Cloudy— light rain. 
Overcast— It. rain— high wind nearly the whole day. Ev. Cloudy. 
/A.M. Fine— light clouds— brisk wind. P.M. Fine— dark clouds— 
l brisk wind. Evening, Fine and starlight. 
/A.M. Fine — light clouds and fog. P.M. Cloudy, with occasional 
l. light showers. Evening, Overcast— light rain. 
A.M. Overcast — It. rain & wind. P.M. Cloudy— brisk wind. Ev. Lt. fog. 
(A.M. Fine — light clouds and wind. P.M. Cloudy— light rain and 
l wind. Evening, Overcast — light rain and wind. 
A.M. Fine— It. clouds. P.M. Lightly overcast. Ev. Fine& starlight. 
/Overcast — high wind, with light rain nearly the whole of the day, 
t as also the evening. 
/A.M. Fine — nearly cloudless— brisk wind. P.M. Fine— lightclouds. 
1 Evening, Fine and starlight. 
[A.M. Fine — light clouds and wind. P.M. Cloudy— light wind. 
\ Evening, Dark heavy clouds. 
MEAN. 29.821 
29.814 
61.0 
29.801 
29.794 
60.2 
52 
05.1 
57.3 
60.0 
50.0 
63.3 
Sum. 
1.854 
( 9 A.M. 3 P.M. 
Mean Barometer corrected J F. 29.738 . . 29.721 
t C. 29.730 .. 29.713 
T 1 
F 2 
S 3 
© 4 
M 5 
T 6 
W 7 
T 8 
F 9 
Sio 
O0ii 
Ml 2 
^ T 13 
3W14 
§ T 15 
'€ fig 
° S17 
©18 
Ml 9 
T 20 
W21 
T 22 
F 23 
S 24 
•©25 
M26 
T27 
W28 
T29 
F 30 
S 31 
30.022 
30.172 
30.194 
30.084 
30.100 
30.126 
30.114 
30.266 
30.326 
30.318 
30.400 
30.604 
30.590 
30.404 
30.258 
29.936 
29.812 
30.026 
29.704 
30.100 
30.156 
29.904 
29.960 
29.556 
29.784 
29.886 
29.178 
29.136 
29.340 
29.522 
29.564 
30.016 
30.164 
30.186 
30.076 
30.092 
30.118 
30.106 
30.258 
30.318 
30.310 
30.392 
30.596 
30.582 
30.398 
30.250 
29.928 
29.804 
30.018 
29.698 
30.094 
30.150 
29.898 
29.952 
29.548 
29.776 
29.878 
29.172 
29.130 
29.336 
29.514 
29.558 
55.2 
55.3 
53.8 
53.3 
52.2 
51.0 
49.5 
48.0 
46.7 
46.7 
49.3 
49.6 
48.8 
48.6 
50.4 
50.3 
53.0 
52.2 
53.3 
51.3 
49.7 
50.0 
49.6 
49.6 
47.0 
44.3 
48.7 
46.8 
46.7 
47.4 
48.5 
30.044 
30.172 
30.148 
30.080 
30.078 
30.118 
30.116 
30.252 
30.282 
30.292 
30.408 
30.592 
30.530 
30.308 
30.152 
29.830 
29.900 
29.936 
29.726 
30.104 
30.120 
29.856 
29.856 
29.556 
29.832 
29.826 
29.152 
29.210 
29.310 
29.528 
29.561 
30.036 
30.164 
30.140 
30.074 
30.070 
30.110 
30.108 
30.244 
30.276 
30.284 
30.402 
30.584 
30.522 
30.300 
30.144 
29.822 
29.892 
29.932 
29.718 
30.096 
30.112 
29.848 
29.848 
29.548 
29.826 
29.818 
29.146 
29.202 
29.304 
29.522 
29.558 
56.2 
57.6 
54.9 
55.5 
53.4 
53.2 
51.2 
48.7 
48.0 
48.8 
51.8 
51.6 
50.7 
50.4 
51.3 
51.8 
53.8 
53.0 
54.3 
52.2 
51.0 
50.8 
52.0 
50.2 
47.7 
46.2 
49.5 
49.0 
47.7 
49.7 
50.7 
50 
52 
46 
49 
48 
45 
42 
41 
39 
41 
46 
46 
43 
42 
42 
46 
49 
47 
48 
45 
41 
45 
42 
43 
38 
37 
45 
42 
43 
44 
45 
04.6 
04.1 
03.3 
02.8 
03.0 
02.6 
02.6 
02.4 
02.4 
03.4 
03.4 
02.9 
02.1 
01.2 
02.3 
03.5 
02.5 
02.5 
05.2 
04.8 
04.0 
02.1 
02.4 
03.2 
03.2 
02.0 
01.9 
02.0 
01.2 
02,3 
02.0 
55.3 
53.7 
47.7 
51.2 
49.5 
45.4 
43.7 
40.7 
40.3 
45.7 
52.5 
50.3 
43.2 
43.2 
43.7 
48.3 
54.8 
50.8 
53.5 
47.7 
45.7 
48.8 
45.2 
45.2 
42.2 
39.2 
51.3 
42.7 
45.6 
47.3 
47.3 
57.3 
57.7 
52.5 
55.0 
49.4 
52.4 
52.8 
50.3 
53.8 
55.2 
57.5 
55.7 
55.2 
58.8 
53.8 
55.3 
53.3 
53.5 
54.8 
52.8 
51.8 
51.7 
52.2 
47.2 
48.2 
47.8 
49.3 
47.9 
47.2 
51.7 
51.5 
51.7 
51.3 
44.3 
46.3 
46.4 
42.6 
39.0 
36.8 
40.0 
39.8 
44.4 
44.7 
42.2 
39.7 
41.9 
42.0 
48.0 
49.0 
49.0 
45.8 
42.2 
44.8 
43.7 
42.5 
39.3 
35.4 
38.6 
41.3 
41.4 
40.3 
43.2 
1 57.7 
58.7 
59.0 
54.6 
57.2 
55.3 
53.6 
53.9 
51.6 
55.4 
56.7 
59.3 
57.3 
56.6 
60.7 
54.8 
56.7 
56.8 
55.7 
56.6 
54.6 
52.8 
52.7 
53.2 
50.6 
49.3 
52.8 
52.3 
49.4 
49.6 
52.8 
.116 
.066 
.133 
.036 
.286 
.102 
.302 
.061 
.033 
.338 
S 
W 
NW 
NNW 
NW 
NW 
ssw 
s 
wsw 
N 
NE 
N 
NNW 
SW 
S 
s 
NW 
SSW 
NW 
NW 
NW 
S 
SW 
w 
NW 
W 
s 
s 
NE 
E 
ENE 
Overcast — light fogand wind Ihroughout the day, asalso the evening, 
f A.M. Cloudy— light wind. P.M. Fine— light clouds. Evening, Fine 
1 and starlight. 
A.M. Fine — ll. clouds & wind. P.M. Cloudy— lt. wind. Ev. The like, 
f A.M. Lightly overcast — slight rain — brisk wind. P.M. Heavy clouds 
1 —light wind. Evening, Fine and starlight. 
A.M. Ovct. — It. wind. P.M. Cloudy — lt. showers. Ev. Fine & starlight, 
f Cloudy — light fog and wind throughout the day. Evening, Fine and 
\ starlight — frosty. 
f A.M. Fine— lightclouds, with light fog and wind. P.M. Cloudy — 
\ light wind. Evening, Fine and starlight— light fog. 
A.M. Fine & cloudless— It. fog. P.M. Foggy. Ev. Fine & moonlight, 
f A.M. Thick fog — light wind. P.M. Fine— nearly cloudless. Ev. 
/ Fine and moonlight— light fog. 
/A.M. Thick fog— It. wind. P.M. Fine — nearly cloudless. Ev. Fine 
\ and starlight— light fog. [Fine & moonlight. 
A.M. Lightly overcast— lig lit fog and wind. P.M. Fine— It. wind. Ev. 
( Fine— nearly cloudless— light wind throughout the day. Evening, 
\ Fine and moonlight — light fog. 
/ A.M. Thick fog— light wind. P.M. Fine— light clouds and wind. 
1 Evening, Fine and moonlight — light fog. 
f Fine— nearly cloudless— light fog throughout the day. Evening, 
/ Fine and moonlight — light fog. 
A.M. Fine— light fog. P.M. Hazy— light fog. Ev. Cloudy — light fog. 
f A.M. Lightclouds and wind. P.M. Overcast — light wind.’ Even- 
L ing. Overcast — light rain. 
( Lightly overcast— light wind throughout the day. Evening, Over- 
[ cast— deposition. 
3verca6t ihroughout the day. Ev. Overcast— light rain— brisk wind. 
[A.M. Cloudy— brisk wind. P.M. Fine— light clouds— brisk wind. 
[ Evening, Fine and starlight — liigli wind. 
r A.M. Fine and cloudless— brisk wind. P.M. Fine— light clouds and 
wind. Evening, Fine and starlight. 
"ine— light clouds and wind throughout the day. Ev. Overcast. 
Overcast— slight rain— light wind throughout the day. Evening, 
Fine and starlight. [Ev. The like. 
i.M. Fine— It. clouds Sc wind. P.M. Overcast— light rain and wind. 
'A.M. Fine — light clouds — brisk wind. P.M. Fine — light clouds — at 
2 p.m. heavy shower of hail. Evening, Fine and starlight 
[Fine — nearly cloudless— light wind throughout the day. Evening. 
Fine and starlight. [cast— It. rain. 
LM. Overcast— lt. fogand wind. P.M. Lightly overcast. Ev. Over- 
' A.M. Overcast— light rain and wind, as also throughout the night. 
P.M. Cloudy— light wind. Evening, Fine and starlight. 
A.M. Fine— light clouds & wind— rain early. P.M. Lightly cloudy. 
Evening, Overcast— light rain. [Overcast— It. fog. 
Jvercast — very fine rain— light wind nearly the whole of the day. Ev. 
A.M. Fine— light clouds and wind. P.M. Fine, with occasional 
showers. Evening, Fine and starlight. 
A.M. Lightly overcast— light wind. P.M. Fine — light clouds. 
Evening, Fine and starlight. 
mean .| 29.985 
29.978 
50.0 
29.932 
29.924 
51.4 
44 
02.8 
47.2 ' 
52.7 
43.2 
54.8 
Sum. 
1.473 
t 9 A.M. 3 P.M. 
Mean Barometer corrected -! F. 29.931 .. 29.873 
(C. 29.923 .. 29.8Gt; 
