METEOROLOGICAL JOURNAL FOR SEPTEMBER AND OCTOBER, 1842. 
9 o’clock, A.M. 
3 o’clock, P.M. 
73 
External Thermometers. 
A* 
.3 
1842. 
Barometer 
uncorrected. 
Barometer 
uncorrected. 
■is 
P-.T3 
ss«i 
>.£ 
Fahrenheit. 
Self-registering 
•IS 
REMARKS. 
Flint 
Glass. 
Crown 
Glass. 
Ther. 
Flint 
Glass. 
Crown 
Glass. 
Ther. 
S h 
9 A.M 
3 P.M 
Lowest 
Highes 
c S' 3 * 
Q 
T 1 
30.034 
30.028 
62.0 
Omitted 
Omitted 
Omit. 
57 
00.5 
58.5 
Omit. 
55.0 
62.0 
.166 
s 
Overcast— light wind and rain throughout the day. Ev. The same. 
F 2 
30.170 
30.162 
65.3 
30.188 
30.180 
67.7 
64 
05.5 
68.7 
74.2 
58.0 
70.3 
.311 
NNW 
f A.M. Cloudy — light breeze. P.M. Fine — light clouds and breeze. 
X Evening. Fine and starlight. 
S 3 
30.286 
30.278 
66.2 
30.252 
30.244 
68.5 
63 
04.6 
62.5 
69.2 
60.4 
76.0 
NW 
/ A.M. Overcast — light breeze. P.M. Fine — light clouds. Evening, 
0© 4 
30.274 
30.266 
65.7 
30.262 
30.256 
68.0 
62 
05.1 
61.3 
68.7 
57.3 
70.6 
sw 
Ditto ditto ditto. 
M 5 
30.268 
30.260 
65.0 
30.172 
30.164 
67.7 
61 
06.5 
63.7 
68.8 
56.4 
70.2 
SE 
f Fine — light clouds and breeze throughout the day. Ev. Fine and 
\ starlight. [and starlight. 
T 6 
30.008 
30.000 
66.0 
29.968 
29.960 
67.3 
60 
07.1 
64.0 
69.3 
57.6 
71.3 
SSE 
A.M. Cloudy — light breeze. P.M. Fine — It. clouds. Evening, Fine 
W 7 
29.928 
29.920 
68.2 
29.776 
29.768 
67.0 
59 
06.3 
62.0 
66.7 
54.8 
70.8 
E 
f A.M. Fine — It. clouds. P.M. Cloudy— It. wind. Ev. Thunder and 
X lightning, accompanied with very heavy rain. 
T 8 
29.466 
29.458 
70.0 
29.514 
29.506 
64.7 
62 
07.8 
63.4 
56.7 
60.3 
70.4 
.383 
S 
/ A.M. Fine — light clouds— high wind, as also high wind throughout 
X the night. P.M. Ovct. — It. rain — h. wind. Ev. Fine & starlight. 
F 9 
29.574 
29.568 
62.0 
29.510 
29.502 
64.8 
59 
06.0 
61.7 
63.8 
54.6 
66.6 
.594 
S 
/ Overcast — brisk wind throughout the day, with occasional It. rain. 
X Evening, early part, Overcast; after, Fine and starlight. 
S 10 
29.458 
29.452 
68.0 
29.550 
29.544 
64.5 
59 
06.0 
60.7 
59.8 
56.3 
67.4 
.022 
SW var. 
A.M. Fine— It. elds. & wind. P.M. Cldy. with sit. rain. Ev. The same. 
©n 
29.720 
29.714 
65.7 
29.700 
29.696 
63.2 
57 
06.1 
59.9 
63.8 
52.7 
65.0 
.052 
W 
Fine— light clouds and wind throughout the day. Ev. Fine & starlight. 
a M12 
29.844 
29.836 
61.8 
29.882 
29.874 
63.6 
57 
06.6 
60.3 
63.8 
56.2 
65.3 
NW 
Ditto ditto ditto. 
g T 13 
30.144 
30.136 
66.0 
30.152 
30.144 
63.9 
58 
04.4 
59.0 
63.8 
52.4 
66.4 
N 
f A.M. Fine — light clouds and wind. P.M. Cloudy — light wind. 
\ Evening, Fine and starlight. 
e wi4 
30.234 
30.226 
62.0 
30.206 
30.198 
63.8 
59 
03.9 
62.0 
67.8 
55.0 
66.6 
N 
Fine— It. clouds &wind throughout the day. Ev. Fine and moonlight. 
m T15 
” F16 
30.216 
30.208 
62.3 
30.154 
30.146 
64.5 
60 
03.1 
61.5 
67.0 
57.2 
70.0 
N 
/ A.M. Cloudy— light fog and wind. P.M. Fine— nearly cloudless. 
( Evening, Fine and moonlight. 
30.150 
30.146 
61.6 
30.076 
30.070 
63.9 
59 
04.4 
58.3 
66.7 
54.8 
69.3 
E 
A.M. Light fog & wind. P.M. Cloudy — light wind. Ev. The same. 
S 17 
29.852 
29.846 
66.3 
29.790 
29.782 
64.8 
60 
06.3 
65.7 
68.7 
56.2 
68.3 
E 
Fine— light clouds & wind throughout the day. Ev. Overcast— It. rain. 
©18 
29.810 
29.802 
62.0 
29.750 
29.744 
63.0 
59 
04.7 
56.5 
58.0 
54.4 
71.0 
.261 
N 
Overcast— light rain and wind throughout the dav. Ev. The same. 
®M19 
29.644 
29.638 
61.7 
29.628 
29.620 
63.0 
59 
05.5 
61.0 
60.3 
52.4 
65.4 
.205 
S 
f A.M. Fine— light clouds and wind. P.M. Dark heavy clouds — 
X brisk wind— light rain. Evening, Fine and moonlight. 
T20 
29.570 
29.564 
63.0 
29.534 
29.526 
61.7 
55 
05.8 
58.7 
56.3 
50.6 
65.4 
.033 
SW 
f A.M. Fine— light clouds and wind. P.M. Cloudy, with occasional 
W21 
29.534 
29.526 
62.0 
29.540 
29.534 
61.3 
54 
04.5 
57.7 
60.2 
49.7 
64.3 
.063 
ssw 
f A.M. Fine — light clouds and wind. P.M. Cloudy — slight rain and 
X wind. Evening, Fine and moonlight. 
A.M. Overcast — light wind. P.M. Fine — It. elds. & wind. Ev.Ovct. 
T22 
29.528 
29.520 
57.2 
29.496 
29.488 
59.2 
52 
03.3 
49.8 
57.7 
44.4 
62.2 
w 
F 23 
29.534 
29.526 
58.4 
29.480 
29.472 
58.0 
51 
03.7 
52.3 
54.7 
46.7 
59.7 
s 
Overcast— It. rain & wind nearly the whole of the day. Ev.The same. 
S 24 
29.400 
29.392 
57.0 
29.426 
29.413 
57.2 
53 
04.1 
52.4 
54.3 
48.6 
58.4 
.630 
E 
A.M. Dark heavy clouds — It. wind. P.M. Ovct — sit. rain. Ev. Ditto. 
©25 
29.580 
29.572 
56.4 
29.616 
29.610 
58.5 
54 
03.0 
55.7 
61.0 
46.6 
57.3 
.111 
N 
f A.M. Light fog and wind. P.M. Fine— light clouds and wind. 
X Evening, Overcast — light rain. 
M26 
29.866 
29.858 
58.0 
29.902 
29.896 
59.2 
55 
03.2 
57.0 
59.3 
52.6 
62.7 
.338 
N 
/ A.M. Fine— It. clouds & wind — heavy shower early. P.M. Cloudy 
\ — It. wind. Evening, Dark heavy clouds— moon very bright. 
T27 
W28 
29.934 
30.110 
29.926 
30.102 
55.6 
56.0 
29.896 
30.098 
29.890 
30.090 
55.9 
56.3 
50 
50 
03.3 
03.9 
52.2 
52.7 
51.7 
55.7 
50.5 
50.0 
62.0 
54.8 
.088 
.288 
NNE 
N 
f Overcast — light rain— brisk wind nearly throughout the day. Ev. 
X Overcast— brisk wind. [Moonlight— dark clouds. 
A.M. Overcast— brisk wind. P.M. Fine— It. elds.— brisk wind. Ev. 
T29 
30.080 
30.072 
55.2 
30.086 
30.078 
55.8 
49 
05.0 
53.5 
53.5 
49.6 
58.7 
NE var. 
f A.M. Fine— light clouds — brisk wind. P.M. Cloudy — brisk wind — 
X slight rain. Evening, Cloudy. 
F 30 
30.208 
30.200 
54.4 
30.184 
30.176 
54.5 
47 
05.6 
52.3 
53.5 
47.5 
59.3 
NE 
f A.M. Cloudy— brisk wind. P.M. Fine — nearly cloudless. Ev. Over- 
X cast — slight rain. 
57 
Sum. 
i 9 A.M. 3 P.M. 
MEAN . 
29.881 
29.873 
62.0 
29.855 
29.849 
66.3 
04.9 
58.8 
61.9 
53.5 
65.6 
3.545 
Mean Barometer corrected F. 29.796 . . 29.759 
(.C. 29.787 .. 29-752 
S 1 
30.268 
30.262 
54.0 
30.280 
30.272 
55.0 
48 
03.7 
50.7 
58.0 
46.8 
56.5 
NW 
f A.M. Fine — light clouds and wind. P.M. Cloudy — light wind. 
X Evening, Overcast — light fog. 
/ A.M. Light fog and wind. P.M. Slightly overcast— light wind. 
© 2 
30.336 
30.328 
52.0 
30.252 
30.246 
53.5 
46 
03.1 
46.2 
55.2 
42.8 
57.6 
NNW 
M 3 
30.106 
30.098 
51.5 
30.042 
30.034 
54.2 
47 
03.6 
50.2 
57.7 
45.8 
56.7 
NNW 
X Evening, Fine and starlight. 
A.M. Light fog & wind. P.M. Cloudy — light wind. Ev. Overcast. 
OT 4 
30.096 
30.092 
52.5 
30.098 
30.092 
53.7 
46 
04.7 
50.3 
54.3 
45.2 
59.4 
NNW 
f A.M. Fine — light clouds and wind— light fog early. P.M. Cloudy — 
X light wind. Evening, Fine and starlight. 
W 5 
30.236 
30.228 
50.0 
30.230 
30.222 
51.3 
43 
02.7 
43.3 
51.8 
42.3 
56.0 
NNW 
f A.M. Light fog & wind. P.M. Fine — nearly cloudless. Evening, 
X Starlight — light fog. [few stars. 
A.M. Light fog & wind. P.M. Cloudy — It. wind. Ev. Light fog— 
T 6 
30.334 
30.326 
49.8 
30.302 
30.294 
52.3 
42 
03.5 
46.0 
57.2 
42.7 
48.3 
NW 
F 7 
30.314 
30.306 
52.3 
30.284 
30.276 
53.7 
47 
04.3 
51.4 
58.8 
46.8 
59.3 
W 
f A.M. Fine— light clouds and wind. P.M. Cloudy— light wind. 
X Evening, Fine and starlight. 
S 8 
30.416 
30.408 
54.3 
30.440 
30.432 
55.6 
50 
03.0 
53.9 
57.7 
51.0 
60.7 
N 
f A.M. Fine — light clouds and wind. P.M. Cloudy— slight rain and 
X wind. Evening. The same. 
0 9 
30.540 
30.532 
53.3 
30.500 
30.494 
55.0 
48 
02.0 
51.3 
56.5 
48.5 
50.2 
N 
Overcast— light wind throughout the day. Evening, The same. 
M10 
30.510 
30.502 
54.0 
30.468 
30.460 
55.0 
48 
04.6 
53.7 
55.2 
51.0 
58.2 
N 
Cloudy — light wind throughout the day. Ev. Fine and starlight. 
Til 
30.410 
30.402 
53.2 
30.346 
30.338 
54.3 
46 
02.5 
47.8 
57.8 
46.3 
56.3 
NNW 
Fine — light clouds and fog throughout the day. Ev. Fine & starlight. 
W12 
30.332 
30.324 
54.6 
30.278 
30.270 
55.7 
49 
03.4 
52.4 
54.7 
48.3 
59.6 
NNW 
f A.M. Fine — nearly cloudless — light wind. P.M. Cloudy— light 
*T13 
30.302 
30.296 
53.7 
30.282 
30.274 
55.0 
48 
04.2 
51.7 
54.7 
49.2 
58.3 
N 
Overcast — light wind throughout the day. Ev. Overcast— light fog. 
« F 14 
30.252 
30.246 
52.2 
30.244 
30.236 
53.3 
47 
04.0 
48.8 
53.4 
45.9 
56.3 
NNW 
A.M. Light fog and wind. P.M. Overcast — It. fog. Ev. The same. 
§ S15 
30.312 
30.304 
52.7 
30.286 
30.282 
53.5 
49 
02.6 
51.0 
54.6 
49.5 
54.7 
w 
f A.M. Thick fog— It. wind. P.M. Overcast— light wind. Evening, 
£©16 
30.288 
30.282 
53.2 
30.234 
30.230 
54.6 
48 
03.5 
51.7 
55.8 
51.3 
55.8 
w 
X The same— light fog. 
Overcast — light fog and wind throughout the day. Ev. Light fog. 
Ml 7 
30.070 
30.062 
53.0 
29.910 
29.902 
53.8 
51 
03.3 
51.7 
52.7 
51.0 
57.6 
NNW 
Foggy throughout the day, as also the evening. 
f A.M. Fine — light clouds and wind. P.M. Cloudy — slight rain and | 
I wind. Evening, Overcast — light rain. 
T 18 
29.482 
29.476 
53.3 
29.334 
29.328 
54.2 
48 
04.3 
52.0 
53.0 
49.6 
54.2 
S 
®W19 
29.280 
29.272 
50.0 
29.428 
29.420 
51.0 
42 
02.5 
42.3 
47.7 
40.8 
57.8 
.488 
w 
f A.M. Overcast— light wind. P.M. Fine— light clouds and wind. g 
X Evening, Fine and moonlight. 
T20 
29.672 
29.664 
45.6 
29.686 
29.678 
47.0 
38 
03.0 
37.3 
45.0 
36.6 
48.2 
w 
/ Fine— nearly cloudless— light wind throughout the day. Ev. Fine 
F 21 
29.912 
29.904 
43.8 
29.948 
29.940 
44.8 
33 
03.5 
38.0 
44.8 
34.3 
47.0 
NW 
Fine— It. clouds & wind throughout the dav. Ev. Fine & starlight. 
S 22 
29.700 
29.692 
41.9 
29.238 
29.230 
43.5 
36 
03.4 
40.0 
46.3 
32.7 
45.7 
S 
X A.M. Overcast— light wind. P.M. Overcast— light rain— high 
©23 
28.792 
28.788 
44.3 
28.818 
28.814 
46.0 
40 
01.5 
44.7 
47.0 
39.7 
48.8 
.444 
S 
A.M. Fine— It. clouds & wind— rain earlv. P.M. Ovct.— It. shower. 
M24 
29.194 
29.186 
44.0 
29.390 
29.384 
45.7 
39 
02.8 
42.3 
45.3 
37.5 
50.6 
W 
f A.M. Overcast— light fog and wind— slight rain. P.M. Cloudy — 
T 25 
29.634 
29.626 
42.4 
29.486 
29.480 
44.3 
37 
03.4 
41.3 
46.5 
35.7 
46.7 
.013 
SSE 
f Overcast— light rain— fog and wind nearly the whole of the day. 
W26 
29.590 
29.582 
43.0 
29.634 
29.626 
54.5 
38 
03.3 
37.8 
44.0 
34.0 
49.0 
.344 
s 
f A.M. Fine — light clouds & wind— high wind throughout the night. 
T 27 
29.700 
29.692 
43.0 
29.712 
29.704 
45.0 
38 
02.2 
42.4 
49.4 
38.3 
45.3 
s 
L P.M. Fine — It. clouds. Ev. Fine and starlight. [Lt.fog. 
A.M. Fine — It. elds. & wind. P.M. Fine— 1L clouds— slight rain. Ev. 
F 28 
29.552 
29.546 
44.0 
29.636 
29.630 
45.9 
39 
01.6 
40.5 
48.8 
40.0 
51.0 
w 
Fine— It. clouds & wind throughout the day. Ev. Starlight— It. fog. 
S 29 
29.806 
29.798 
43.0 
29.866 
29.858 
44.8 
36 
01.6 
37.3 
47.8 
35.2 
50.6 
SSW 
Fine — It. clouds & fog throughout the day. Ev. Starlight — It. fog. 
©30 
30.116 
30.108 
42.8 
30.150 
30.144 
44.0 
36 
01.7 
37.4 
48.0 
34.8 
49.0 
SW 
r Fine — light clouds throughout the day — fog early. Evening, Star- 
M31 
30.268 
30.260 
45.0 
30.262 
30.254 
47.3 
40 
03.1 
47.7 
51.8 
37.6 
49.7 
s 
A.M. Light fog & wind. P.M. Overcast. Evening, Fine& starlight. 
Sum. 
( 9 A.M. 3 P.M. 
Barometer corrected -J F. 29.943 .. 29.914 
MEAN . 
29.994 
29.987 
49.1 
29.970 
29.963 
50.9 
43 
03.1 
46.2 
52.0 
42.9 
53.4 
1.289 
Mean 
1 C. 29.935 . . 29.905 
