c 8 n 
I S 2 
6. 
9 o’Clock, A. M. 
3 o’Clock, P. M. 
Den- 
Point at 
External Thermometer. 
Rain,* in 
Direction of 
the Wind at 
9 A. M. 
April. 
Barom, 
Attached 
Thermo- 
Barom. 
Attached 
9 A. M. 
in de- 
grees of 
Fahrenheit. 
Self-registering, 
inches, 
read off 
at 9A.M. 
Remarks. 
meter. 
meter. 
Fahr. 
9 A. M. 
3 P.M. 
Lowest. 
Highest. 
U 
6 
3 °-i 5 8 
54.8 
30.166 
57-5 
51 
54.2 
58.8 
48.8 
61 .0 
wsw 
Fine — cloudy. 
© ? 
7 
30.166 
56.7 
30-183 
59-7 
51 
56.6 
62 . 5 
50.0 
64.0 
NNW 
Fine — light clouds. 
h 
8 
30.215 
57.O 
30.141 
61 .0 
51 
54.0 
62.0 
50.0 
63.0 
W 
Fine — broken clouds. 
© 
9 
29.822 
50.5 
2 9-793 
61.5 
So 
59-5 
58.5 
52.2 
64.8 
NW 
A. M. nearly cloudless. P. M. cloudy. 
10 
29.956 
56.0 
29.944 
57-9 
39 
50.8 
57.0 
42.8 
58.0 
WSW 
A. M. cloudy. P. M. fine. 
i <? 
1 1 
29.830 
56.2 
29.793 
58.5 
53 
54-9 
58.8 
48.9 
61.8 
SW 
$ Overcast — brisk wind. At 5 P. M. a 
( hail storm. 
! » 
1 2 
29.21S 
55.O 
29.222 
56.0 
45 
52.5 
49-5 
48.5 
54-3 
SW 
Dark and cloudy. Frequent showers. 
V 
*3 
3°. 130 
52 . 2 
30.144 
56.0 
39 
48.0 
57-5 
45-3 
58.5 
N 
Cloudy. 
$ 
H 
3°- 2 35 
57.0 
30.214 
60.0 
46 
57.0 
63.0 
49.2 
66.0 
SW 
A, M. cloudy. P. M. fine — light clouds. 
h 
J 5 
30-303 
59.8 
30.220 
62.0 
5 i 
58.5 
6 5-3 
49.8 
68.0 
w 
A.M. fine. P.M. cloudy. 
0 
16 
30.146 
57-3 
30.216 
59.0 
49 
50.5 
54.8 
50.8 
66.5 
NNE 
A.M. dark and overcast. Sleet. P.M. fine. 
D 
*7 
30-315 
54.0 
30.243 
57.0 
38 
48.0 
5 i -5 
40.8 
54-5 
WNW 
Fine. 
$ 
1 8 
30.229 
54.0 
30.220 
56.0 
38 
45.0 
57-5 
40.5 
59.0 
SE 
Fine. 
5 ! 
l 9 
30.134 
55-8 
30-033 
58.5 
42 
54.2 
57-5 
44.0 
60.5 
SSE 
Fine. 
n 
20 
29.839 
55.0 
29.722 
58.0 
42 
53-5 
58.0 
42.0 
67.0 
E 
Fine. 
$ 
21 
2 9 - 7°7 
57.8 
29.639 
60.0 
47 
53-5 
63.0 
44-5 
65.0 
S by W 
Fine — light clouds. 
O h 
22 
29.606 
60.0 
29.629 
62 . 8 
49 
61 .0 
63.8 
54.0 
67.0 
SE 
Cloudy. 
O 
23 
29 . 800 
56.0 
29.804 
58.0 
43 
49.0 
53-5 
46.0 
54-5 
NW 
Overcast. 
l 
24 
29.911 
53-8 
29 . 899 
56.0 
39 
47.0 
53-2 
38.0 
54-5 
W 
A.M. cloudy. P.M. fine — broken clouds. 
! * 
2 5 
30.018 
52.5 
29.920 
54.0 
37 
47.0 
51-5 
40.0 
53 -o 
NW 
Fine — overcast. 
? 
26 
29.697 
54-5 
29.621 
55.0 
36 
49.0 
50.0 
43-5 
54.0 
NW 
Fine — cloudy. 
n 
2 7 
29.419 
51.0 
29.402 
51.0 
42 
45.0 
47.0 
42.5 
47-5 
SE 
Overcast and slightly hazy. 
$ 
28 
29.895 
51 .0 
29.913 
50.0 
28 
40.0 
43-o 
33-5 
44-5 
NW 
A. M. cloudy. P.M. fine — light clouds. 
h 
29 
30.023 
49.0 
30.031 
50.5 
35 
43 -o 
48.5 
34-5 
51.0 
NW 
Overcast and cloudy. 
0 
3 ° 
30. 140 
50.5 
50. 148 
51.0 
37 
47.0 
50.5 
34-5 
52.0 
NNE 
A.M. fine — light clouds. P.M. overcast. 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
Mean 
m 
29.956 
54-7 
29.930 
57-1 
43-1 
51. 1 
55.8 
44.6 
58.8 
Monthly Mean of the Barometer, corrected for Capillarity and reduced to 32 0 Fahr. 
9 A.M. 
29.902 
3 P.M. 7 
29. 870 3 
* The Rain Gage undergoing repair during the months of April, May, and June. 
OBSERVANDA. 
Height of the Cistern of the Barometer above a Fixed Mark on Waterloo Bridge = 83 ft. 2 % in. 
above the mean level of the Sea (presumed about) z: 95 ft. 
The External Thermometer is 2 feet higher than the Barometer Cistern. 
Height of the Receiver of the Rain Gage above the Court of Somerset House =r 79 ft. o in. 
The hours of observation are of Mean Time — the day beginning at Midnight. 
7 he Thermometers are graduated by Fahrenheit’s Scale. 
The Barometer is divided into inches and decimals. 
