METEOROLOGICAL JOURNAL FOR NOVEMBER AND DECEMBER,' 1840 . 
9 o’clock, A.M. 
3 o’clock, P.M. 
"C u 
rtxi 
External Thermometers. 
a . 
: 5 s 
1840. 
Barometer 
uncorrected. 
Att. 
Barometer 
uncorrected. 
Att. 
.2 ac 
C 
Fahrenheit. 
Self-registering 
.5 
.2 
REMARKS. 
Flint 
Glass. 
Crown 
Glass. 
Ther. 
Flint 
Glass. 
Crown 
Glass. 
Ther. 
ta £ 
cc 
9 A.M. 
3 P.M. 
1 
Lowest 
Highest 
c 
O 1 
29.644 
29.638 
48.8 
29.488 
29.484 
50.0 
47 
01.7 
47.2 
50.5 
44.9 
53.7 
E 
1 Overcast-deposition— It. wind throughout the day. Evening. Light 
1 ram— high wind. b 
fA.M. Fine— It. clouds— high wind-very high wind throughout the 
M 2 
29.533 
29.532 
50.4 
29.544 
29.538 
51.8 
46 
03.5 
51.2 
54,7 
46.5 
53.3 
.050 
SE 
T 3 
29.432 
29.428 
51.3 
29.398 
29.394 
52.4 
48 
02.0 
51.5 
54.0 
47.6 
56.4 
NE 
\ M n, ?! ,t r i ' M * Fine ~ l ‘* £> ouds and wind * Ev. Fine k starlight. 
A.M. Lightly overcast. P.M. Fine— light clouds. Ev. Overcast. 
W 4 
29.288 
29.282 
51.8 
29.292 
29.286 
53.2 
49 
01.3 
50.3 
53.3 
49.0 
55.6 
.052 
s 
! A *i I ; Overcast— deposition- It. fog and wind— rain during the night. 
T 5 
29.202 
29.196 
51.9 
29.296 
29.292 
53.4 
49 
02.1 
50.3 
52.5 
48.8 
55.8 
.302 
S 
( P.M. fine — light clouds. Evening, Fine and starlight. 
fA.M. Dark heavy clouds — hi- h wind— heavy rain early. P.M. Fine 
F G 
29.056 
29.050 
50.6 
28.980 
28.976 
51.4 
45 
02.0 
47.3 
48.7 
45.8 
54.4 
.133 
SE 
l —light clouds and wind. Ev. Overcast— light rain— brisk wind, 
j A. M. Overcast — light rain — high wind, with occasional rain. P.M. 
S 7 
29.138 
29.132 
51.4 
29.168 
29.162 
52.3 
47 
02.3 
48.8 
50.4 
48.0 
51.7 
.286 
SSAV 
1 Fine— light clouds and wind. Ev. Overcasi— rain— high wind. 
1A.M. Fine— light clouds and wind— verv high wind throughout the 
© 8 
29.360 
29.352 
49.7 
29.358 
29.352 
51.0 
45 
02.9 
47.0 
51.5 
44,7 
55.3 
.083 
s 
l night. P.M. Fine — It. clouds— occasional rain. Ev. Fine & starlight. 
Gi\I 9 
29.106 
29.100 
49.9 
29.142 
29.136 
51.2 
46 
03.5 
48.8 
51.7 
46.0 
53.8 
.091 
s 
Hue Sc cloudless throughout tne dav. Ev. Fine & moonlight— It. wind. 
|A.M. Fine— nearly cloudless— brisk wind— very high wind earlv. 
T 10 
29.074 
29.070 
49.3 
29.166 
29.158 
50.2 
45 
01.9 
44.5 
48.8 
44.2 
53.5 
.105 
SSAV 
t with rain. P.M. Cloudy— light rain. Ev. Overcast— light rain. 
Fine— light clouds & wind throughout the day. Ev. Fine & starlight. 
aj AVI 1 
29.332 
29.326 
47.3 
29.166 
29.160 
48.8 
43 
01.9 
44,2 
45.3 
42.2 
50.3 
S 
A.M. Li. fog & wind— P.M. Overcast— It. rain & wind. Ev. Overcast. 
ST 12 
29.528 
29.520 
46.6 
29.534 
29.528 
47.4 
40 
01.7 
41.3 
46.8 
40.6 
49.8 
.114 
S 
Fine— lightclouds and wind throughout the day. Ev. Lightly overcast. 
§ F 18 
28.S28 
28.822 
47.8 
28.606 
28.600 
50.2 
45 
02.0 
48.7 
51.7 
41.7 
51.0 
.272 
s 
fA.M. Fine— It. elds.— hi. wind— rain, with very hi. wind throughout 
> S 14 
29.044 
29.038 
48.7 
29.160 
29.154 
49.4 
44 
03.1 
46.2 
48.4 
45.0 
53.4 
.230 
s 
l the night. P.M. Dk.clds.— hail k rain— hi. wi. Ev.Overct.— It. rain. 
Fine— nearly cloudless throughout the day. Ev. Fine and moonlight. 
% 015 
29.512 
29.504 
46.2 
29.550 
29.546 
47.0 
39 
01.6 
39.3 
45.2 
38.6 
50.6 
s 
fA.M. Fine— nearly cloudless— light wind. P.M. Overcast. Ev. Over- 
MIG 
29.084 
29.076 
48.7 
29.200 
29.194 
52.0 
49 
01.9 
55.5 
57.3 
38.5 
57.9 
.083 
SAV vav. 
f cast— light lam. [Ev. Lightly overcast. 
A.M. Overcast— light rain— very high wind. P.M. Fine— light clouds. 
T 17 
AVIS 
29.600 
29.814 
29.594 
29.806 
51.3 
49.0 
29.454 
29.752 
29.448 
29.748 
51.3 
47.3 
47 
43 
02.6 
03.1 
48.2 
41.2 
45.3 
36.3 
46.7 
41.4 
60.6 
54.6 
.447 
S var. 
NAV 
(Overcast— light wind, with occasional rain throughout the dav. 
1 Ev. Light rain— very high wind. 
( A.M. Overcast— light rain— brisk wind. P.M. Snow and rain— brisk 
T 1 9 
29.800 
29.796 
44.4 
29.852 
29.846 
45.6 
41 
01.4 
39.8 
43.3 
37.2 
42.4 
.450 
N 
l wind. Ev. Ram and wind. (Ev. Fine and starlight. 
A.M. Overcast— light rain and wind. P.M. Cloudy— light wind. 
F 20 
30.112 
30 104 
42.0 
30.090 
30.082 
43.6 
33 
02.9 
35.7 
42.8 
35.0 
44.7 
NVV 
Fine — light clouds and wind throughout theday. Ev. fine & starlight. 
S 21 
29.526 
29.518 
42.8 
29.218 
29.210 
44,6 
41 
01.9 
43.3 
46.0 
35.0 
44,3 
.033 
S 
fA.M. Overcast — light rain — high wind. P.M. Cloudy— high wind. 
1 Ev. Overcast— light rain— very high wind. 
©22 
29.794 
29.786 
43.2 
29.920 
29.916 
44.0 
38 
03.3 
40.3 
42.3 
40.0 
47.3 
.211 
NNVV 
fFine — light clouds — high wind throughout theday — very high wind 
M23 
30.070 
30.062 
41.2 
30.000 
29.994 
43.0 
33 
02.6 
38.4 
45.3 
35.6 
43.5 
S 
1 during the night. Ev. fine and starlight. 
Overcast— light wind and rain nearly the whole of theday. Ev. It. fog. 
© T 24 
30.140 
30.134 
46.3 
30.220 
30.212 
47.9 
43 
01 6 
50.0 
52.0 
38.2 
51.2 
vv 
fA.M. Cloudy— light fog and wind. P.M. Fine — light clouds and 
AV25 
30.424 
30.416 
45.0 
30.426 
30.418 
46.0 
40 
01.6 
41.0 
46.0 
38.3 
54.3 
N 
/A.M. Thick fog— light wind." P.M. Cloudy— light wind. Ev. Fine 
T2G 
30.460 
30.452 
42.0 
30.416 
30.408 
42.3 
35 
02.3 
37.4 
43.3 
36.0 
47.0 
E 
f and starlight. 
A.M. Light fog & wind. P.M. Fine— lightclouds. Ev. Fine ^starlight. 
F 27 
30.430 
30.424 
41.0 
30.412 
30.404 
41.4 
35 
01.5 
34.5 
43.8 
34.3 
44.0 
N 
fA.M. Thick fog— light wind — white frost. P.M. Fine — lightclouds. 
S 28 
30.406 
30.398 
39.7 
30.374 
30.366 
39.2 
35 
01.0 
32.8 
37.7 
32.8 
44.5 
NE 
1 Ev. Light fog. 
Thick fog nearly the whole of the day. Ev. Dense fog— sharp frost. 
©29 
30.336 
30.328 
37.3 
30.248 
30.242 
38.6 
32 
01.1 
30.8 
42.2 
30.3 
39.3 
NE 
A.M. Thick fog — white frost. P.M. Overcast— light fog. Ev. Cloudy. 
M30 
30.084 
30.076 
40.3 
30.054 
30.048 
42.8 
35 
02.2 
46.7 
51.8 
30.3 
47.7 
S 
/Overcast— deposition— light Avind throughout the day, as also the 
\ evening. 
Sum. 
( 9 A.M. 3 P.M. 
MEAN. 
29.639 
29.632 
46.5 
29.616 
29.610 
47.6 
42 
02.2 
44.1 
47.6 
40.8 
50.7 
2.942 
Mean Barometer corrected 1 F 29.595 .. 29.569 
tC. 29.587 .. 29.562 
T 1 
29.960 
29.952 
47.5 
30.000 
29.992 
48.9 
45 
01.4 
51.7 
53.5 
45.8 
52.8 
SE var. 
Overcast light wind throughout the day, as also the evening. 
AV 2 
30.188 
30.180 
47.9 
30.248 
30.240 
4S.0 
42 
02.8 
44.6 
46.2 
44.7 
55.5 
WNAV 
Cloudy — light wind throughout the day. Evening, Fine k starlight. 
T 3 
30.538 
30.530 
43.0 
30.036 
30.028 
43.3 
36 
01.9 
36.3 
40.5 
35.7 
47.4 
NAV 
f A.M. Fine— nearly cloudless— It. wind. P.M. Light fog. Evening, 
F 4 
30.480 
30.472 
40.3 
30.436 
30.428 
40.6 
33 
01.3 
32.8 
38.3 
32.5 
42.3 
SAV 
A.M. Light fog — white frost. P.M. Light fog. Ev. Overcast— It. fog. 
S 5 
30.466 
30.458 
40.9 
30.306 
30.298 
41.6 
34 
02.4 
39.4 
42.8 
32.7 
41.0 
SAV 
( Light tog and wind throughout the day — airfrosty. Evening, Over- 
\ cast — light fog. 
© 6 
30.186 
30.178 
41.8 
30.100 
30.094 
42.2 
35 
01.4 
40.8 
42.2 
38.6 
43.5 
E 
fA.M. Thick fog— light wind. P.M. Overcast— It. wind. Evening, 
M 7 
29.808 
29.800 
40.9 
29.646 
29.640 
41.5 
35 
02.0 
39.2 
38 3 
35.2 
43.7 
E 
Lightly overcast— It. brisk wind throughout the day, also the evening. 
T S 
29.230 
29.224 
39.9 
29.254 
29.248 
41.3 
34 
02.6 
39.7 
43.2 
34.2 
40.3 
E 
(Overcast— light brisk wind, with occasional light rain during the 
OW 9 
29.738 
29.730 
40.4 
29.854 
29.848 
41.0 
35 
01.3 
36.3 
41.3 
36.2 
44.3 
.066 
S 
Fine— It. clouds and wind throughout the day. Ev. Fine k moonlight. 
T 10 
29.970 
29.962 
40.0 
29.936 
29.928 
41.3 
38 
01.3 
40.8 
43.2 
36.2 
42.0 
E 
Light fog, with It. deposition throughout the day. Ev. Lightly cloudy. 
F 1 1 
29.958 
29.950 
40.2 
29.940 
29.934 
39.9 
36 
01.9 
37.6 
36.0 
35.2 
45.0 
ENE 
Overcast— brisk wind throughout the day, as also the evening. 
„ S12 
30.124 
30.116 
39.5 
30.176 
30.168 
39.8 
34 
02.6 
38.5 
38.3 
36.0 
39.2 
N 
Light fog and wind throughout the day. Evening, The like. 
5 013 
30.282 
30.276 
38.2 
30.280 
30.272 
37.9 
33 
02.5 
33.8 
34.3 
33.7 
39.7 
N 
Overcast— brisk wind throughout the day. Ev. The like, with It. fog. 
fA.M. Light clouds and wind— sharp frost. P.M. Fine— light clouds 
f and wind. Evening, Overcast— sharp frost. 
g Ml4 
30.236 
30.228 
34.0 
30.220 
30.212 
33.2 
25 
frozen 
27.3 
29.8 
27.3 
35.4 
N 
~T 15 
30.276 
30.268 
32.3 
30.242 
30.234 
32.3 
25 
ditto 
27.0 
27.3 
27.3 
31.3 
N 
1 A.M. Overcast — light snow. P.M. Fine — lightclouds. Evening, 
(. Fine and starlight. 
Overcast— light snow — brisk wind throughout the day. Ev. The like. 
SWIG 
30.132 
30.124 
29.8 
29.966 
29.958 
30.8 
25 
ditto 
28.3 
30.3 
24.0 
28.5 
NAV 
T17 
29.772 
29.766 
32.5 
29.766 
29.758 
32.8 
28 
ditto 
31.4 
24.3 
27.7 
34.6 
NE 
| A.M. Overcast— light snow— brisk wind. P.M. Fine— light clouds 
\ and wind. Evening, Overcast — sharp frost. 
FIS 
29.614 
29.608 
29.6 
29.494 
29.488 
31.8 
25 
ditto 
28.3 
35.2 
21.2 
31.7 
N 
(A.M. Overcast — brisk wind — slight thaw. P.M. Overcast — con- 
S 19 
29.588 
29.580 
31.8 
29.568 
29.560 
33.0 
27 
ditto 
31.3 
35.0 
29.2 
35.5 
N 
1 Overcast — light wind, with frost throughout the day. Evening, 
©20 
29.840 
29.832 
34.0 
29.950 
29.944 
34 9 
29 
02.4 
35.8 
36.3 
29.3 
36.3 
N 
i Overcast — thaw. . 
Overcast— light brisk wind throughout the day. Evening, The like. 
M21 
30.262 
30.254 
35.9 
30.278 
30.270 
36.7 
30 
02.2 
35.6 
36.2 
35.0 
37.2 
NE 
I A.M. Overcast — high wind. P.M. Fine — lightclouds — high wind, 
t Evening, Overcast — high wind. 
T22 
30.344 
30.336 
35.4 
30.298 
30.290 
34.8 
28 
frozen 
32.2 
32.3 
32.3 
37.3 
ENE 
lA.M. Cloudy — high wind — sharp frost. P.M. Fine — light clouds 
®AV23 
80.176 
30.170 
31.7 
30.094 
30.086 
33.2 
25 
ditto 
27.5 
33.8 
26.9 
32.8 
N'NAV 
A.M. Light fog & wind. P.M. Fine— It. clouds. Ev. Fine k starlight 
T 24 
30.100 
30.092 
32.0 
30.120 
30.112 
33.5 
28 
ditto 
32.3 
35.8 
27.0 
34.4 
NNVV 
(A.M. Overcast— brisk wind — sharp frost. P.M. Fine— light clouds. 
( Evening, Fine and starlight. 
F 25 
30.328 
30.320 
34.0 
30.342 
30.338 
33.0 
28 
ditto 
30.0 
33.0 
28.9 
36.7 
N 
1 Light fog and wind, with sharp frost throughout theday. Evening, 
S 26 
30.562 
30.554 
30.7 
30.574 
30.568 
31.0 
25 
ditto 
29.0 
30.2 
25.0 
33.4 
NVV 
Overcast— light wind throughout the day. Ev. Lt. fog — sharp frost. 
©27 
30.656 
30.650 
31.5 
30.590 
30.584 
32.0 
26 
ditto 
32.3 
34.4 
29.2 
32.6 
NVV 
/A.M. Light fog and wind— sharp frost. P.M. Overcast— thaw. 
1 Evening, Overcast. 
M28 
30.408 
30.400 
32.3 
30.342 
30.334 
32.9 
28 
ditto 
30.3 
32.8 
29.4 
35.3 
E 
A.M. Overcast— It. wind. P.M. Light fog & wind. Ev. The like. 
T29 
30.256 
30.248 
31.2 
30.246 
33.240 
31.8 
26 
ditto 
26.4 
32.3 
21.2 
33.0 
S 
f Light fog and wind, with sharp frost throughout theday. Evening, 
AV30 
30.406 
30.398 
31 8 
30.310 
30.304 
32.3 
27 
ditto 
27.8 
34.2 
26.2 
37.6 
s 
A.M. Light fog k wind. P.M. Fine — lt. clouds. Ev. Overcast— lt. rain. 
T31 
29.886 
29.878 
34.0 
29.930 
29.924 
36.5 
30 
01.3 
41.3 
43.0 
28.5 
42.0 
.347 
W 
(A.M. Overcast— light fog and rain. P.M. Fine— light clouds and 
1 wind. Evening, Overcast— light rain. 
Sum. 
( 9 A.M. 3 P.M. 
MEAN. 
30.121 
30.114 
on 0 
36 - 3 
30.0S2 
30.075 
36.9 
31 
01.9 
34.4 
36.6 
31.5 
38.8 
.413 
Mean Barometer corrected -< F. 3O.104 .. 30.064 
( C. 30.096 .. 30.05b 
