METEOROLOGICAL JOURNAL FOR MAY AND JUNE, 1840. 
1S40. 
9 o’clock, A.M. 
3 o’clock, P.M. 
Dew Point at 9 
A.M.,deg.Fakr. 
Diff. of Wetand 
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. 
A.M. 
P.M. 
Lowest 
Highest 
F 1 
OS 2 
© 3 
M 4 
\ T 5 
W 6 
T 7 
F 8 
S 9 
©10 
Mil 
T 12 
^ W13 
S T 14 
F 15 
© S 16 
©17 
Ml 8 
T19 
W20 
T21 
F 22 
S 23 
024 
M25 
T 26 
W27 
T 28 
F 29 
S 30 
0031 
30.356 
30.288 
30.172 
30.126 
29.912 
29.888 
29.760 
29.706 
29.524 
29.402 
29.534 
29.670 
29.662 
29.678 
29.414 
29.404 
29.374 
29.626 
30.080 
30.052 
30.216 
30.344 
30.356 
30.172 
29.808 
29.844 
30.050 
29.926 
30.088 
30.398 
30.400 
30.348 
30.280 
30.166 
30.118 
29.904 
29.880 
29.752 
29.700 
29.516 
29.398 
29.526 
29.664 
29.654 
29.672 
29.408 
29.400 
29.366 
29.620 
30.072 
30.048 
30.210 
30.338 
30.350 
30.164 
29.800 
29.838 
30.046 
29.920 
30.084 
30.392 
30.392 
58.6 
61.8 
73.0 
65.2 
59.6 
59.3 
58. 0 
65.8 
59.8 
64.7 
59.3 
58.3 
56.2 
59.9 
59.3 
63.2 
57.9 
59.2 
55.2 
56.4 
69.6 
55.0 
66.2 
59.2 
59.9 
58.3 
70.5 
71.6 
70.4 
64.9 
71.8 
30.314 
30.216 
30.110 
30.058 
29.866 
29.834 
29.728 
29.646 
29.452 
29.400 
29.586 
29.670 
29.650 
29.618 
29.422 
29.362 
29.394 
29.724 
30.142 
30.034 
30.236 
30.340 
30.284 
30.086 
29.802 
29.758 
30.006 
29.886 
30.194 
30.364 
30.326 
30.306 
30.208 
30.104 
30.050 
29.858 
29.826 
29.722 
29.638 
29.448 
29.394 
29.578 
29.664 
29.644 
29.612 
29.416 
29.356 
29.390 
29.716 
30.134 
30.026 
30.228 
30.334 
30.276 
30.080 
29.796 
29.750 
29.998 
29.878 
30.186 
30.356 
30.320 
60.3 
60.2 
61.0 
61.2 
60.3 
60.7 
61.3 
62.9 
62.7 
64.2 
60.2 
59.9 
59.7 
61.3 
60.0 
60.7 
59.9 
60.0 
56.3 
55.8 
56.0 
55.7 
59.0 
61.0 
61.4 
60.2 
61.7 
63.2 
65.2 
64.7 
66.7 
50 
52 
49 
49 
49 
51 
51 
54 
53 
58 
53 
52 
52 
52 
55 
53 
52 
51 
49 
48 
40 
45 
46 
53 
55 
50 
51 
52 
52 
54 
56 
03.2 
05.1 
09.6 
08.1 
05.4 
05.3 
05.3 
05.9 
05.0 
06.9 
02.9 
03.2 
01.5 
06.2 
03.5 
07.1 
04.9 
06.1 
01.8 
06.3 
07.2 
05.9 
08.0 
06.2 
04.0 
04.5 
07.1 
08.9 
10.1 
07.9 
09.2 
48.7 
55.4 
59.3 
58.3 
55.7 
54.7 
57.3 
59.7 
55.0 
59.8 
52.8 
53.7 
53.3 
59.3 
53.7 
57.8 
55.7 
55.8 
47.3 
52.8 
47.8 
48.8 
57.7 
61.5 
58.8 
54.6 
56.7 
60.8 
60.7 
61.4 
63.8 
61.0 
65.7 
66.1 
61.7 
62.3 
63.2 
64.7 
65.3 
66.0 
66.3 
54.7 
55.3 
61.8 
63.7 
56.3 
60.7 
57.5 
59.4 
50.3 
57.2 
52.8 
55.3 
64.4 
64.3 
60.8 
61.8 
65.3 
71.8 
65.7 
69.3 
73.2 
48.2 
45.2 
46.3 
48.7 
45.4 
49.0 
49.7 
54.7 
54.0 
53.3 
51.6 
51.2 
49.8 
51.9 
53.2 
51.4 
50.2 
48.3 
46.6 
41.3 
41.6 
44.3 
44.2 
53.3 
56.3 
49.4 
45.6 
50.9 
55.0 
51.4 
56.4 
.011 
.063 
.450 
.133 
.180 
.450 
.447 
.033 
.250 
.066 
.183 
.063 
NNE 
E 
E 
E 
NW 
N 
sw 
s 
SE 
S 
NW 
ENE 
N 
S 
NW 
S var. 
S 
W 
NNW 
NW 
NW 
NW 
W 
SW var. 
S 
S 
SW 
ssw 
NW 
s 
s 
f A.M. Lightly overcast— light wind. P.M. Fine and cloudless— li<du 
c. wind. Evening, Cloudy. 
Fine— It. clouds and wind throughout the day. Ev. Fine & starlight. 
S Fine— nearly cloudless— light wind throughout the day. Evening 
1 Fine and starlight. 
f Fine and cloudless — light wind throughout the day. Evening, Fine 
X and starlight. 
Cloudy— light wind throughout the day, as also the evening. 
S A.M. Fine— light clouds and wind. P.M. Cloudy— light wind. 
X Evening, Overcast— light shower. 
Cloudy— light wind throughout the day, as also the evening, 
f A.M. Cloudy— very light rain and wind. P.M, Fine— light clouds 
l and wind. Evening, Overcast — light rain, 
f A.M. Overcast— light rain and wind. P.M. Cloudy— light wind. 
L Evening, Overcast— heavy rain. 
Cloudy— It. wind throughout the day. Ev. Overcast— heavy rain. 
Overcast— very It. mist and wind throughout the day. Ev. Overcast. 
( A.M. Dark heavy clouds— light wind. P.M. Cloudy— light wind. 
1 Evening, The like. 
fA.M. Overcast— deposition— light wind— rain during the night. 
X P.M. Fine— It. clouds^ wind. Ev. Dark heavy clouds— brisk wind. 
A.M. Cldy. — It. wind. P.M. Fine— It. elds. & wind. Ev.Ovct.— h. rain. 
s Overcast— light wind, with occasional rain throughout the dav— Jp. 
X 4 o’clock, thunder & lightning, hail & rain. Ev. Ovct.— It. rain. 
S A.M. Cloudy— light brisk wind, with occasional showers. P.M. 
X Fine— light clouds and wind. Evening, Overcast, 
f Cloudy, with showers throughout the day. Evening, Heavy rain— 
X thunder— rainbow. 
Cloudy— light wind throughout the day. Evening, The like. 
Lightly overcast— brisk wind throughout the day. Ev. Fine & clear. 
S A.M. Cloudy— brisk wind. P.M. Fine— light clouds. Evening, 
X Cloudy — light rain. 
Cloudy— light brisk wind throughout the day. Evening, The like. 
("A.M. Cloudy— light brisk wind. P.M. Fine— light clouds and wind. 
L Evening, Cloudy. 
A.M. Fine & cloudless— It. wind. P.M. Overcast. Ev.Fine& starlight, 
f Lightly overcast— light wind throughout the day. Evening, Over- 
X cast— light rain— brisk wind. 
C A.M. Ovct.— high wind, as also throughout the night. P.M. Cloudy 
\ —occasional showers— high wind. Evening, Fine and starlight. 
C Overcast, with occasional showers and light wind throughout the 
L day. Evening, Fine and starlight. 
Fine— light clouds and wind throughout the day. Ev. Fine &starlight. 
Ditto ditto ditto. 
Ditto ditto ditto. 
fA.M. Cloudy— light wind. P.M. Fine— light clouds and wind. 
X Evening, Fine and starlight. 
Fine — lightclouds and wind throughout the day. Ev. Fine & starlight. 
MEAN. 
1 
29.911 
29.904 
62.2 
29.912 
29.880 
60.8 
51.1 
06.0 
56.3 
62.1 
49.6 
Sum. 
2.329 
( 9 A.M. 3 P.M. 
Mean Barometer corrected J F. 29.825 .. 29.830 
1C 29.817 .. 29.797 
M 1 
T 2 
W 3 
T 4 
F 5 
S 6 
0 7 
M 8 
T 9 
W10 
Til 
gF12 
5 S 13 
"©14 
OM15 
T 16 
W17 
T 18 
Fl£ 
S2C 
©21 
M2£ 
T 23 
W24 
T2.: 
F 2( 
S 2/ 
^©25 
• M21 
T3( 
30.212 
29.806 
30.106 
30.198 
30.040 
29.938 
30.018 
30.072 
30.008 
30.014 
30.100 
29.99'8 
29.992 
30.096 
30.054 
29.868 
29.836 
29.870 
29.970 
30.150 
30.198 
29.836 
29.736 
29.838 
30.010 
30.154 
30.196 
30.092 
30.100 
) 30.018 
30.206 
29.800 
30.100 
30.190 
30.034 
29.932 
30.012 
30.068 
30.000 
30.006 
30.094 
29.992 
29.986 
30.088 
30.050 
29.862 
29.832 
29.866 
29.962 
30.146 
30.190 
29.832 
29.730 
29.832 
30.002 
30.148 
30.190 
30.086 
30.094 
30.010 
74.7 
70.3 
73.7 
58.8 
60.3 
72.8 
74.6 
71.0 
68.3 
72.7 
71.7 
66.8 
67.8 
77.5 
72.0 
75.3 
76.8 
75.2 
64.0 
75.0 
66.3 
76.7 
70.0 
78.0 
63.2 
66.7 
63.6 
65.0 
63.6 
66.7 
30.090 
29.868 
30.148 
30.150 
29.978 
29.896 
30.030 
30.014 
29.986 
30.014 
30.042 
29.944 
30.076 
29.986 
29.976 
29.866 
29.816 
29.920 
29.900 
30.184 
30.084 
29.796 
29.676 
29.882 
30.014 
30.166 
30.162 
30.064 
30.070 
29.986 
30.082 
29.860 
30.140 
30.142 
29.970 
29.888 
30.024 
30.006 
29.978 
30.006 
30.034 
29.936 
30.068 
29.980 
29.970 
29.858 
29.808 
29.912 
29.894 
30.176 
30.080 
29.790 
29.668 
29.874 
30.006 
30.158 
30.154 
30.060 
30.062 
29.978 
68.7 
65.9 
64.3 
62.6 
61.3 
64.2 
67.0 
66.3 
69.0 
69.3 
70.0 
69.3 
68.7 
70.0 
68.7 
69.8 
69.9 
68.0 
64.8 
66.0 
66.0 
68.3 
67.3 
65.3 
62.8 
63.0 
64.9 
66.0 
66.8 
67.3 
58 
60 
48 
50 
54 
54 
58 
53 
60 
59 
55 
60 
57 
59 
59 
61 
58 
53 
58 
54 
56 
55 
52 
50 
48 
50 
54 
55 
58 
59 
09.9 
05.9 
08.3 
06.3 
06.4 
07.4 
08.4 
09.9 
08.0 
08.3 
08.0 
06.3 
07.4 
08.7 
08.5 
08.5 
08.9 
08.9 
07.5 
08.0 
09.0 
08.5 
08.7 
07.7 
07.9 
07.6 
07.0 
07.6 
06.0 
06.3 
66.7 
64.8 
56.8 
55.7 
57.7 
61.8 
63.2 
63.7 
67.3 
64.8 
64.3 
64.6 
63.5 
65.7 
64.8 
66.8 
64.3 
61.8 
61.7 
61.2 
65.0 
63.8 
62.0 
54.3 
57.4 
61.3 
63.7 
64.8 
61.4 
63.3 
77.8 
54.8 
59.7 
64.5 
58.3 
71.3 
69.4 
69.8 
72.2 
67.4 
71.7 
67.7 
67.7 
69.0 
70.7 
71.6 
67.6 
66.3 
60.4 
67.7 
71.2 
68.7 
66.0 
59.3 
59.5 
62.2 
68.7 
68.6 
68.8 
64.8 
55.7 
60.5 
48.8 
48.3 
53.5 
52.2 
56.8 
52.5 
60.8 
59.5 
52.8 
61.2 
59.0 
56.5 
54.4 
59.6 
59.5 
52.2 
53.0 
50.6 
56.6 
66.8 
53.5 
49.4 
49.0 
50.7 
56.2 
59.7 
56.6 
57.8 
83.0 
82.7 
66.2 
61.0 
65.8 
66.2 
72.3 
73.8 
72.6 
74.4 
71.7 
73.3 
71.2 
72.8 
75.3 
74.3 
74.3 
71.6 
67.7 
72.6 
69.8 
76.2 
71.7 
67.6 
60.6 
66.8 
65.4 
70.4 
70.6 
73.0 
.022 
.294 
.047 
.172 
.333 
.094 
.347 
.111 
.133 
.091 
.116 
s 
NW 
NW 
NWvar. 
W 
E 
SW var 
SE 
SE 
SE 
S 
s 
w 
s 
ssw 
s 
s 
NW 
s 
w 
s 
s 
sw 
NW 
NW 
NW 
W 
NW 
S 
S 
Fine and cloudless throughout the day. Evening, Fine & starlight, 
f A.M. Cloudy — light showers— thunder early. P.M. Overcast— 
X light wind. Evening, Fine and starlight. 
Fine— light clouds and wind throughout the day. Ev. Fine & starlight. 
Overcast— light wind throughout the day, as also the evening. 
f A.M. Overcast — light wind — rain during the night. P.M. Overcast, 
1 Evening, Lightrain. 
f Fine — light clouds and wind throughout the day. Evening, Over- 
t cast— light steady rain. 
f Fine— light clouds and wind throughout the day. Evening, Fine 
(. and moonlight. 
Fine— light clouds and wind throughout the day. Ev. Overcast. 
Lightly overcast throughout the day. Ev. Fine and starlight, 
f A.M. Fine— light clouds and wind. P.M. Cloudy— light wind. 
1 Evening, Fine and starlight. 
Cloudy— light wind throughout the day. Evening, Overcast. 
( A.M. Dark heavy clouds— rain early. P.M. Overcast— light wind. 
1 Evening, The like. 
C A.M. Cloudy— light wind. P.M. Fine— light clouds and wind. 
Evening, Fine and starlight. 
c A.M. Fine— light clouds and wind. P.M. Lightly overcast. Ev. 
1 Fine and moonlight. 
Fine— light clouds & wind throughout the day. Ev. Fine and clear. 
Fine— light clouds and wind throughout the day. Ev. Cloudy. 
fA.M. Fine— lightclouds and wind— rain, with high wind during the 
t night. P.M. Fine— light clouds. Ev. Heavy rain— rainbow. 
Fine— lightclouds and wind throughout the day. Ev. Cloudy. 
c A.M. Overcast— brisk wind. P.M. Cloudy— light rain. Evening, 
1 Fine and starlight. „ „ A , , . . , 
r A.M. Cloudy— light wind. P.M. Fine— light clouds and wind. 
1 Evening, Cloudy. 
A M. Cloudy— It. wind. P.M. Fine— It. clouds— brisk wind. Ev. Cldy. 
c Fine — light clouds and wind throughout the day— rain early. 
1 Evening, Fine and starlight. . 
f A.M. Cloudy-light wind, with slight rain. P.M. Fine— light 
X clouds. Evening, Cloudy— light rain. 
Fine— light clouds and wind throughout the day. Ev. Cloudy. 
Cloudy— light wind throughout the day. Ev. Fine and starlight. 
Cloudy— light showers and wind. P.M. Overcast. Ev. The like. 
A.M. Fine— It. cloudsand wind. P.M. Cloudy. Ev. Very slightrain. 
Cloudy— light wind throughout the day. Evening, Overcast. 
Overcast— light wind throughout the day. Ev. Fine and starlight. 
A.M. Overcast— light wind. P.M. Light rain. Ev. Fine & starlight. 
MEAN 
30.017 
30.011 
70. C 
29.992 
29.985 
66.7 
55.1 
> 07.9 
62.6 
66.8 
55.5 
71.2 
Sum. 
1.76C 
( 9 A.M. 6 JU.IVi. 
Mean Barometer corrected \ F. 29.910 .. 29.894 
(c. 29.903 .. 29.886 
