METEOROLOGICAL JOURNAL FOR MAY AND JUNE, 1841 . 
1841. 
9 o’clock, A.M. 
3 o’clock, P.M. 
e» u 
rt 
!| 
0.-O 
Zs 
Q< 
Diff. of Wet and 
Dry Bulb 
Thermometer. 
External Thermometers. 
Rain in inches. 
Read off at 
9 A.M. 
Direction ofthe 
Wind at 
9 A.M. 
REMARKS. 
Barometer 
uncorrected. 
Att. 
Ther. 
Barometer 
uncorrected. 
Att. 
Ther. 
Fahrenheit. 
Self-registering 
Flint 
Glass. 
Crown 
Glass. 
Flint 
Glass. 
Crown 
Glass. 
9 A.M 
3 P.M. 
Lowest 
Highes 
S 1 
© 2 
M 3 
T 4 
OW 5 
T 6 
F 7 
S 8 
® 9 
M 10 
Til 
W12 
T 13 
w F14 
< S 15 
*016 
Ml 7 
T 18 
W19 
® T20 
F 21 
S 22 
©23 
M24 
T 25 
W26 
T 27 
F 28 
S 29 
©30 
M 31 
30.040 
29.720 
29.772 
29.628 
29.464 
29.556 
29.746 
29.548 
30.094 
30.180 
30.094 
30.190 
30.388 
30.424 
30.244 
29.968 
29.664 
29.G10 
29.406 
29.328 
29.702 
29.672 
30.040 
30.242 
30.220 
30.146 
29.960 
30.000 
30.186 
30.078 
30.086 
30.032 
29.712 
29.764 
29.620 
29.456 
29.550 
29.740 
29.540 
30.086 
30.172 
30.086 
30.182 
30.380 
30.418 
30.238 
29.964 
29.656 
29.602 
29.398 
29.320 
29.698 
29.664 
30.032 
30.234 
30.214 
30.140 
29.954 
29.994 
30.178 
30.072 
30.080 
65.9 
68.3 
57.9 
54.0 
58.5 
58.2 
64.0 
69.8 
74.5 
60.2 
60.8 
65.3 
69.0 
69.6 
69.8 
66.0 
60.6 
68.0 
59.3 
71.3 
70.2 
60.4 
59.7 
65.2 
77.4 
75.6 
84.8 
73.6 
81.9 
67.0 
76.3 
29.930 
29.684 
29.816 
29.552 
29.562 
29.680 
29.644 
29.558 
30.128 
30.208 
30.040 
30.228 
30.362 
30.342 
30.140 
29.842 
29.598 
29.594 
29.284 
29.444 
29.628 
29.760 
30.118 
30.192 
30.196 
30.096 
29.892 
30.030 
30.150 
30.052 
30.064 
29.922 
29.680 
29.808 
29.546 
29.554 
29.672 
29.636 
29.550 
30.120 
30.200 
30.032 
30.220 
30.354 
30.334 
30.132 
29.838 
29.592 
29.5S8 
29.276 
29.438 
29.620 
29.752 
30.114 
30.184 
30.188 
30.088 
29.884 
30.022 
30.144 
30.046 
30.056 
61.0 
63.5 
57.6 
58.4 
60.0 
60.8 
62.0 
61.7 
61.2 
61.2 
62.7 
62.9 
61.6 
61.2 
62.3 
62.0 
62.8 
62.6 
59.2 
60.9 
62.2 
61.2 
63.0 
65.2 
68.3 
68.4 
72.2 
72.6 
72.0 
70.0 
71.8 
52 
57 
52 
49 
55 
55 
56 
54 
52 
53 
55 
56 
52 
49 
52 
50 
55 
54 
53 
53 
52 
54 
54 
55 
61 
62 
66 
65 
55 
59 
62 
04.9 
05.1 
02.0 
03.8 
04.1 
03.9 
04.8 
04.8 
02.4 
05.1 
06.2 
04.3 
04.0 
04.7 
05.4 
02.9 
04.8 
05.0 
04.2 
05.5 
06.0 
04.8 
04.0 
07.1 
05.8 
05.4 
06.4 
05.9 
07.1 
03.6 
06.0 
04.8 
57.8 
61.7 
47.7 
53.7 
55.4 
57.8 
59.2 
57.5 
56.3 
60.2 
62.2 
57.0 
55.7 
53.7 
59.7 
53.7 
58.3 
57.8 
55.3 
58.2 
58.7 
59.7 
58.3 
63.5 
63.5 
67.7 
71.7 
70.3 
65.7 
61.5 
66.7 
68.3 
61.0 
46.7 
64.4 
58.4 
61.7 
65.3 
56.4 
60.8 
61.7 
69.3 
61.7 
61.3 
60.7 
67.7 
68.4 
59.7 
61.2 
54.5 
59.6 
60.8 
62.3 
68.7 
68.3 
68.8 
74.3 
76.8 
74.4 
68.8 
70.0 
72.8 
47.0 
53.2 
47.2 
45.3 
52.0 
53.0 
49.7 
52.5 
47.3 
53.0 
51.6 
53.0 
47.5 
46.3 
48.7 
49.0 
52.3 
49.4 
51.3 
50.7 
48.4 
56.5 
53.7 
53.6 
55.8 
55.0 
62.0 
64.8 
57.7 
58.0 
57.3 
67.2 
70.4 
71.5 
54.8 
66.0 
61.3 
64.6 
66.6 
72.2 
63.3 
63.8 
70.7 
63.4 
63.6 
69.4 
66.0 
70.0 
63.0 
65.7 
59.6 
67.7 
65.8 
64.2 
70.3 
70.6 
70.0 
79.4 
79.0 
78.3 
71.9 
78.6 
.375 
.250 
.719 
.077 
.019 
.116 
.044 
.019 
.075 
.044 
.133 
.116 
NE 
S 
N 
E 
SE 
S 
S 
S 
s 
s 
s 
NNW 
N 
NE 
S 
SSW 
S 
s 
s 
w 
ENE 
N 
S 
NE 
N 
NE 
NE 
SSE 
NW 
NW 
s 
/Fine— nearly cloudless, with light breeze throughout the day. Ev. 
( l ine and starlight — light fog. 
/A.M. Fine— light clouds and wind. P.M. Overcast— rain and wind, 
l with distant thunder. Evening, Overcast. 
Overcast — light rain and wind throughout the day. Ev. The same. 
A.M. Cloudy — It. wind. P.M. Fine — It. clouds^ wind. Ev. Overcast. 
/A.M. Cloudy, high wind 6c occasional showers — heavy rain during the 
l night. P.M. Fine— It. clouds— high wind. Ev. Cloudy— high wind. 
/A.M. Cloudy, brbk wind, with showers. P.M. Fine— light clouds 
l and wind. Evening, Fine and starlight. 
Cloudy— It. brisk wind throughout the day. Ev. The like, with showers. 
/ Cloudy — brisk wind, with occasional showers throughout the day. 
1 Evening, Overcast— light rain. 
Fine — light clouds throughout the day. Evening, Overcast. 
Cloudy— light wind throughout the day. Evening, Overcast. 
/A.M. Cloudy— light wind. P.M. Fine— light cloud9 and wind. 
1 Evening, Overcast— slight rain. 
Cloudy — light wind throughout the day. Evening, Overcast. 
Fine— It. clouds & wind throughout the day. Ev. Fine & starlight. 
Fine— light clouds Sc wind throughout the day. Ev. Fine & starlight. 
A.M. Fine Sc cloudless. P.M. Fine— It. clouds. Ev. Fine & starlight. 
A.M. Overcast. P.M. Fine — If. clouds Sc wind. Ev. Fine & starlight. 
Cloudy — high wind throughout the day. Evening, Fine & starlight. 
( Fine— light clouds and wind throughout the day. At £ before 7 p.m. 
1 rainbow, w ith slight rain — the rest of the evening fine& starlight. 
/Overcast — slight rain — high wind nearly the whole of the day. 
1 Evening, Light clouds— high wind, with occasional rain. 
/A.M. Cldy.— high wind throughout the night. P.M. Fine— It. clouds 
(. —brisk wind, with rain. Ev. Fine Sc starlight. [steady rain. 
A.M. Fine— It. clouds & wind. P.M. Cloudy— It. wind. Ev. Ovct.— It. 
(Overcast — light wind, with occasional rain throughout the dav. 
1 Evening, Fine and starlight. 
A.M. Light fog. P.M. Fine— light clouds. Ev. Fine and starlight. 
/ Fine — light clouds and wind throughout the day. Evening, Cloudy, 
l with lightning. 
Fine— light clouds and wind throughout the day. Ev. Overcast. 
/Fine— light clouds, with light brisk wind throughout the day. Ev. 
\ Fine and starlight. 
1 Fine & cloudless— It. breeze throughout (he day. Ev. Cloudy— very 
[ vivid lightning, accompanied with heavy rain and thunder. 
Fine— It. cloudsand breeze throughout the day. Ev. Fine & starlight. 
/A.M. Fine— light clouds and breeze. P.M. Cloudy— light breeze. 
\ Ev. Fine and starlight. 
A.M. Overcast — It. fog. P.M. Heavy clouds. Ev. Fine and starlight. 
A.M. Fine Sc cloudless. P.M. Fine— It. clouds. Ev. Fine& starlight. 
MEAN. 
29.916 
20.909 
67.2 
29.897 
29.890 
63.6 
55 
59.6 
64.4 
52.4 
68.0 
Sum. 
1.9S7 
( 9 A.M. 3 P.M. 
Mean Barometer corrected -[ F. 29.817 .. 29.808 
( C. 29.809 . . 29.799 
T 1 
W 2 
T 3 
OF 4 
S 5 
© 6 
M 7 
T 8 
W 9 
T 10 
F 11 
S 12 
g© 13 
a M 14 
‘ T 15 
WIG 
T 17 
F 18 
© S 19 
©20 
M 21 
T 22 
W 23 
T 21 
F 25 
S 2G 
0 27 
M 28 
T 29 
W 30 
30.214 
30.272 
30.250 
30.440 
30.250 
30.036 
29.964 
29.996 
29.970 
29.838 
29.722 
29.850 
30.064 
30.100 
29.940 
30.274 
30.136 
29.822 
29.650 
29.842 
29.848 
30.118 
30.030 
29.800 
29.542 
29.686 
30.012 
30.012 
29.820 
30.046 
30.206 
30.264 
30.244 
30.432 
30.242 
30.030 
29.956 
29.988 
29.962 
29.830 
29.714 
29.842 
30.056 
30.094 
29.932 
30.270 
30.128 
29.816 
29.644 
29.838 
29.842 
30.112 
30.026 
29.794 
29.536 
29.680 
30.004 
30.004 
29.814 
30.040 
78.3 
83.7 
75.7 
79.8 
71.8 
72.7 
63.7 
57.9 
55.4 
56.0 
57.0 
55.2 
54.2 
67.6 
59.3 
73.7 
70.2 
68.8 
63.5 
87.0 
73.7 
71.7 
73.4 
69.7 
62.0 
70.2 
65.0 
62.3 
69.8 
74.0 
30.200 
30.226 
30.220 
30.378 
30.142 
30.014 
29.976 
30.002 
29.976 
29.746 
29.764 
29.934 
30.066 
30.036 
30.008 
30.224 
30.044 
29.720 
29.674 
29.796 
29.964 
30.076 
29.826 
29.750 
29.560 
29.758 
30.120 
29.950 
29.822 
30.090 
30.192 
30.214 
30.212 
30.370 
30.134 
30.008 
29.968 
29.994 
29.968 
29.738 
29.756 
29.926 
30.060 
30.028 
30.000 
30.216 
30.036 
29.712 
29.666 
29.792 
29.956 
30.068 
29.818 
29.742 
29.552 
29.750 
30.114 
29.942 
29.814 
30.082 
71.0 
71.0 
70.4 
68.9 
68.4 
66.0 
61.2 
59.0 
58.0 
58.7 
57.7 
56.9 
57.0 
60.8 
61.3 
63.3 
64.3 
66.6 
66.7 
67.5 
65.8 
66.4 
66.3 
65.6 
64.9 
67.0 
66.0 
63.7 
64.8 
65.4 
61 
62 
59 
53 
54 
54 
50 
51 
47 
47 
50 
47 
47 
48 
53 
50 
56 
56 
59 
57 
57 
56 
56 
55 
58 
59 
59 
58 
57 
56 
05.1 
05.9 
05.1 
09.5 
07.3 
05.3 
03.7 
02.6 
02.8 
03.0 
02.2 
02.0 
02.0 
03.2 
02.5 
02.1 
01.2 
02.1 
02.7 
04.3 
06.8 
06.0 
06.5 
07.1 
02.0 
07.8 
06.2 
04.3 
06.0 
05.5 
64.3 
65.0 
63.0 
62.7 
62.2 
55.3 
51.3 
51.0 
50.3 
52.3 
50.5 
50.7 
50.2 
57.3 
57.4 
60.5 
61.7 
64.3 
60.7 
64.3 
64.2 
61.7 
62.0 
63.0 
55.7 
64.0 
62.5 
58.3 
61.3 
59.7 
69.2 
72.3 
69.7 
66.8 
67.8 
56.5 
51.3 
54.8 
56.2 
56.8 
52.8 
54.0 
58.2 
67.7 
62.3 
66.8 
66.5 
72.8 
65.3 
62.6 
64.0 
66.7 
65.7 
57.0 
63.8 
65.7 
65.0 
59.4 
61.8 
63.7 
56.2 
55.3 
56.5 
52.2 
52.0 
51.3 
45.3 
47.6 
47.4 
47.8 
49.3 
46.8 
47.0 
46.7 
55.6 
47.7 
51.5 
53.6 
58.2 
51.2 
56.3 
53.7 
53.4 
53.8 
56.2 
56.2 
56.4 
55.3 
52.8 
52.7 
80.5 
82.3 
73.4 
73.6 
73.6 
69.0 
60.0 
56.4 
57.2 
57.6 
68.7 
54.7 
55.2 
72.6 
66.0 
67.8 
80.3 
76.4 
75.0 
87.0 
71.0 
70.2 
69.7 
69.4 
68.4 
78.0 
67.6 
68.7 
67.4 
73.6 
.019 
.111 
.027 
.366 
.525 
.133 
.430 
.675 
.022 
S 
S 
N 
W 
w 
WNW 
NW 
NW 
NNW 
NW 
NW 
N 
NW 
W 
w 
s 
s 
NNW 
w 
s 
S var. 
S 
S 
E 
E 
S 
W 
S 
S 
W 
Cloudy throughout the tlay. Evening, Fine and starlight. 
Cloudy — light breeze throughout the day. Evening, The same. 
Fine— light clouds throughout the day. Evening, Fine & starlight. 
/ A.M. Fii;( — light clouds and breeze. P.M. Fine— nearly cloudless. 
1 Evening, Fine— light clouds. 
f A.M. Cloudy — light breeze. P.M. Fine and cloudless. Evening, 
L Overcast— light rain. 
{ A.M, Fine— light clouds and wind. P.M. Heavy clouds — It. wind. 
X Evening, Cloudy. 
Cloudy— brisk wind throughout the day. Ev. Ovct.— very slight rain. 
Cloudy — light wind throughout the day. Ev. Overcast— brisk wind. 
Overcast— light wind throughout the day. Ev. Fine and starlight, 
f A.M. Overcast— light wind. P.M. Fine— light clouds and wind. 
Evening, Fine and starlight. 
/ Dark heavy clouds— brisk wind throughout the , day. Evening, 
t. Overcast— brisk wind. 
Overcast— brisk wind throughout the day. Evening, The same. 
fA.M. Cloudy — slight raih and wind. P.M. Overcast. Evening, 
X Fine and starlight. 
fFine — light clouds and wind throughout the day. Evening, Fine 
X and starlight. 
Cloudy— brisk wind throughout the day. Evening, The same, 
f A.M. Fine— light clouds and breeze. P.M. Lightly cloudy. Ev.Fine 
X and starlight. 
fA.M. Cloudy— light breeze. P.M. Fine — light clouds. Ev. Fine 
X and starlight. [—distant tlmnder. 
Fine— It. clouds & breeze throughout the day. Ev. Cloudy — slight rain 
f A.M. Cloudy— light breeze— very heavy rain in the night. P.M. 
t Cloudy— light breeze. Evening, Fine and starlight. 
fA.M. Fine— light clouds and breeze. P.M. Heavy clouds— brisk 
l w ind. Evening, Early part, dark clouds — after, line 6c starlight, 
f A.M. Dark heavy clouds— high wind. P.M. Overcast— heavy rain— 
| brisk wind. Ev. Fine & starlight, [brisk wind. Ev. Fine &starlt. 
A.M. Fine— It. clouds Sc wind, with slight rain. P.M. Fine— It. elds.— 
Fine— It. clouds Sc breeze throughout the day. Ev. Fine & starlight. 
A. M. Fine— It. elds. & hr. P.M. Ovct.— hvy. shwr. Ev. Ovct.— It. rain. 
fA.M. Ovct.— It. wind, with showers. P.M. Fine— It. elds. Sc wind. 
L Ev. Overcast. [with showers. Ev. Fine Sc starlight. 
A.M. Fine— It. elds.— high wind— high wind during night. P.M. Cldy. 
fA.M. Overcast— It. wind, with heavy showers. P.M. Cloudy, with 
{ showers— dislant thunder. Evening, Cloudy, 
f Cloudy— light showers — high wind throughout the day. Evening, 
\ Overcast— steady rain— brisk wind. 
fA.M. Fine— light clouds, with showers — heavy rain, high wind in 
1 the night. P.M. Fine— It. clouds & wind. Ev. Cloudy— slight rain. 
Fine-light clouds and breeze throughout the dav. Ev. Fine Sc star- 
light, with a few cloHds. 
MEAN 
29.985 
29.978 
68.1 
29.969 
29.961 
64.4 
54 
04.4 
58.9 
62.8 
52.2 
69.7 
Sum. 
2.308 
( 9 A.M. 3 P.M. 
Mean Barometer corrected < F. 29.883 .. 29.87/ 
(C 29.875 .. 29.868 
