METEOROLOGICAL RESULTS OF THE CRIMINAL PRISON HOSPITAL OBSERVATORY, PENANG FOR THE MONTH OF APRIL, 1890. 
5°24<' iV. Lat 100°20' E. Long. Height of Bar Cistern above Sea Level , 20 ft. 
Date. 
1 
2 
3 
4 
6 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
Mean. 
Barometer 
reducei 
to 32° 
ffl 
Ins. 
•867 
•891 
•890 
■886 
■920 
*919 
■939 
■947 
•923 
•910 
•855 
•901 
•903 
•876 
.865 
■892 
•831 
•850 
■880 
•881 
■841 
■827 
•879 
■837 
•827 
•827 
•828 
•841 
•837 
■826 
•873 
K 
IQ 
Ins. 
•763 
•787 
•773 
■783 
■796 
•811 
•820 
•785 
.797 
•780 
•767 
•775 
•780 
•767 
•747 
776 
•705 
•727 
■710 
•729 
•711 
•729 
•781 
•721 
•745 
•750 
■742 
•761 
•748 
•739 
•761 
W 
Ins. 
■845 
•881 
•869 
■854 
■874 
900 
.910 
■907 
.900 
•872 
•846 
•So 7 
•864 
•849 
•854 
•823 
•820 
•S34 
•866 
•825 
•823 
•854 
•860 
•814 
•803 
•810 
•800 
•814 
•810 
•807 
•848 
§ 
a> 
Ins. 
•826 
853 
344 
84 
86 
877 
889 
879 
873 
854 
82; 
844 
849 
830 
833 
830 
785 
804 
82 
812 
792 
803 
840 
79 
792 
796 
790 
80. 
798 
79 
•827 
TEMPERATURE 
Temperature 
Relative 
Temperature of Air. 
OF 
Wind. 
OF 
Computed 
Huhi- 
Cloud 
Cloud & Weather 
Radiation 
Evaporation. 
Vapour Tension. 
DITY. 
9 to 10. 
Initials. 
a * 
'XS g 
Direction. 
Velo- 
1 
‘A 
1— 1 
f 
city. 
Ph 
J 
a 
3 * 
A *5 
. 
fl 
* 
72 £ 
'O 
S3 
'72 m & 
<D H3 
O! 
<a 
rt! 
Inch- 
< 
cc 
a- 
a 
pi 
O C3 
S 
es. 
Os 
0> 
O 
cc 
a 
a 
15 H. 
21 H. 
Mean. 
a 
•H 
g 
a 
a 
•H 
PI 
»r-( 
Range 
• 
a 
3 
Ol 
£ R 
s «* 
Q 
Grass. 
It! 03 
Q 
a 
a* 
m 
to 
r-t 
21 H. 
ci 
+-> 
o 
9 H. 
a 
r-H 
w 
f— 1 
Mean. 
a 
05 
a 
iC 
rH 
21 Ii, 
a 
c3 1 
a> 
S3 
a 
a 
H 
r*i 
CM 
Mean, 
Z- 
O 
33 
rH 
O 
CL? 
cq 
£ 
< 
3 
<s 
°F. 
°F 
°F. 
°F. 
°F. 
°F. 
°F. 
°F. 
°E. 
°2_ 
°F. 
10o 
°F. 
°F. 
°F. 
°F. 
Ins. 
Ins. 
Ins. 
Ins. 
% 
% 
% 
7° 
6 
Pc, c. 
Pk, c» 
855 
85-5 
800 
81-6 
90-5 
75 5 
15 0 
1630 
72-5 
720 
3-5 
SE. 
SE. 
S. 
79 0 
79 0 
78 0 
77-2 
•904 
.904 
■933 
•880 
74 
74 
91 
82 
... 
4 
4 
Pk, c. 
S2'5 
83 - 0 
80 5 
8 1 • 1 
905 
7 6‘5 
1 4 - 0 
170'0 
79 5 
71-5 
5’0 
NN E. 
N. 
s. 
65 
77 5 
78 0 
77-5 
76-9 
■877 
•866 
■904 
*869 
79 
72 
87 
82 
... 
6 
6 
3 
Plv, C. 
Pk, c. 
C, b. 
88-5 
87-0 
8 10 
834 
900 
78-0 
12-0 
155-0 
65 0 
75-f. 
2-6 
NE. 
S. 
NNW. 
45 
80-5 
80-0 
78*0 
78 6 
•934 
•931 
•920 
•914 
69 
72 
87 
79 
... 
3 
t 
8 
Pc, c. 
Pk, c. 
Pk, c. 
86-0 
88-0 
81-0 
82-9 
90 0 
70 5 
13 5 
157-5 
675 
75-0 
1*6 
SE. 
NNW. 
S. 
65 
80-0 
7 7'0 
77-0 
77 2 
•944 
•780 
.876 
.862 
76 
59 
83 
78 
... 
* t 
•J 
ii 
5 
Cs, c. 
Pk, c. 
Pk, c. 
84-0 
89-0 
7 9 '5 
81 o 
91-5 
73-6 
18-0 
162-0 
605 
C9'5 
4.0 
S. 
E. 
s. 
65 
780 
8l 0 
78 0 
76-9 
•879 
•951 
•940 
.869 
75 
69 
93 
81 
1,19 
3 
4 
>0 
C, c. 
Pc, c. 
Pk, 0 . 
85-0 
37-0 
7 3*6 
81-1 
yi-5 
74'0 
17-5 
153-5 
620 
70 0 
4.0 
E. 
E. 
N. 
65 
77 0 
76-6 
76*0 
75 4 
•821 
•772 
■C6& 
•804 
68 
60 
89 
77 
.10 
2 
4 
2 
C, b. 
Cs, c. 
0. b- 
82-5 
88-U 
78*0 
80-5 
90*6 
7 3‘ 5 
1 7 C 
157-0 
66-5 
70 0 
3.5 
E. 
NW. 
N, 
60 
77*0 
78-0 
765 
76*0 
*865 
•825 
•894 
■839 
77 
62 
93 
82 
2 
10 
6 
C, b. 
Pk, 0 . 
Pk, c. 
82-0 
91-0 
790 
81-9 
92-0 
75*5 
16 5 
154-0 
62 0 
72 0 
3-6 
NE. 
N. 
S. 
135 
76-6 
80-5 
7h‘0 
76 9 
*84 
*900 
•94 7 
•861 
77 
62 
95 
80 
.45 
5 
U 
10 
Cs, c. 
Pk, c. 
Pk, 0 . 
85-0 
87’U 
7S-0 
81*2 
90 0 
75 "0 
15 0 
156-0 
66 0 
72-0 
3 0 
N. 
N. 
S. 
60 
800 
8 0*6 
77*0 
77-4 
‘958 
954 
■916 
•893 
79 
74 
95 
83 
.08 
4 
>0 
Cs, c. 
Pk, c. 
Pk, 0 . 
82-0 
89.0 
78 0 
8W 
90-5 
75-5 
150 
149-0 
58 '5 
72-0 
3.6 
N. 
S. 
E. 
75 
790 
81-0 
77 0 
77*4 
'952 
•951 
•9L6 
•894 
87 
69 
26 
84 
1.60 
l6 
4 
8 
Pk, c. 
C, c. 
Pk, c. 
79 0 
88-5 
78-5 
80-2 
90-0 
7 5*0 
16.0 
151-0 
61-0 
72-0 
3-0 
E. 
S. 
S. 
75 
77 0 
80 0 
77-0 
76-7 
•902 
•934 
■909 
•882 
91 
68 
93 
85 
.05 
0 
* 
2 
FI-:, 0 . 
C, c. 
C, b. 
84-0 
89-5 
81 0 
82-7 
91-0 
7 6'5 
14-5 
161-0 
60-0 
73-5 
3 0 
E. 
NNE. 
E. 
50 
77-0 
too 
77-5 
76 9 
•834 
*920 
•897 
■854 
72 
66 
85 
76 
4 ■ • 
2 
z 
0 
C, 0 . 
C, b. 
b. 
87-0 
88-0 
81-6 
83-4 
90-6 
77-0 
1 3'5 
154'0 
63-5 
72-5 
4 6 
N. 
ESE. 
S. 
46 
81-0 
HI-;’ 
79'0 
78 b 
•978 
.988 
•959 
.921 
76 
74 
89 
80 
•12 
y 
6 
4 
C, b. 
Pk, c. 
Pc, c. 
84.0 
89,5 
80 0 
81-4 
9 10 
75 0 
16-0 
155-0 
64-0 
73-0 
20 
NNE. 
NNE. 
S. 
40 
79 0 
80*6 
78.0 
77-li 
•925 
•920 
•933 
'901 
79 
66 
91 
83 
.74 
2 
6 
it- 
Cs, b. 
Pk, c. 
Pk, 0 . 
84-6 
86 0 
79-6 
81-2 
88’5 
75-0 
I3 - o 
150-6 
62-0 
730 
2.0 
S. 
S. 
s. 
60 
79 0 
80-0 
77 0 
77 9 
.918 
•944 
•896 
*886 
77 
76 
59 
83 
2-05 
6 
6 
10 
Cs, c. 
Pk, c. 
Pk, 0 
80 0 
84 0 
80 5 
79-9 
88-5 
750 
13 5 
1560 
67-5 
72-5 
2-6 
N. 
SE. 
S. 
65 
76-o 
780 
77 0 
76 6 
'845 
■879 
•882 
•848 
82 
76 
85 
8f 
... 
6 
6 
4 
I k, c, 
Pk, c. 
Cs, c 
870 
91 0 
80-5 
83-5 
924* 
75-6 
1 6.5 
162.6 
605 
720 
3'6 
E. 
E. 
s. 
60 
79 0 
81 0 
78*t 
7 7 -6 
•884 
.924 
•927 
•873 
69 
63 
89 
77 
.18 
D 
D 
O 
it 
Cs, e. 
Cs, c. 
Pk, 0 , 
86-0 
86 5 
82-0 
83-2 
90 0 
78-5 
11-6 
I52-C 
62 0 
75 0 
3.5 
N. 
S. 
s. 
75 
80o 
79-0 
790 
78-4 
•944 
•907 
•952 
•911 
76 
70 
87 
79 
• . . 
3 
4 
3 
C, e. 
Cs, c. 
Cs, c. 
86-5 
S7'0 
81.5 
82-9 
92 0 
765 
15'5 
154-0 
62 o 
71*5 
50 
SSE. 
s. 
NNW. 
70 
79-5 
800 
78 5 
78-1 
•914 
•931 
■936 
•902 
72 
72 
87 
80 
. . . 
3 
t 
2 
0, c. 
Pk, c. 
C, b. 
85 ‘0 
900 
82-0 
83 6 
930 
775 
15-5 
151-5 
58.6 
73-5 
4 0 
S. 
E. 
SE. 
50 
78-y 
600 
76"6 
77.i! 
*806 
•890 
•840 
•863 
72 
63 
77 
76 
. . . 
2 
4 
t 
c, b. 
Cs, c. 
Pk, c, 
38 0 
88-0 
8 10 
83-4 
90 5 
765 
14-0 
i 55 "0 
64-5 
73-5 
3-0 
E. 
N. 
ESE, 
65 
80-5 
60 5 
780 
78.4 
•94] 
•941 
•920 
•908 
71 
71 
87 
80 
•05 
3 
5 
u 
C, c. 
Pk, c. 
Pk, 0 . 
85 5 
86-0 
79-0 
814 
91-5 
75-0 
166 
158 0 
66-5 
73-0 
20 
NNE. 
NNE 
E. 
50 
79-0 
79'5 
77-6 
77.4 
■904 
•920 
■924 
■888 
74 
74 
93 
83 
1.65 
3 
10 
1( 
Cs, c. 
Pk, 0 . 
Pk, 0 . 
85 0 
85-0 
79-0 
80*9 
87-0 
74-6 
12-5 
151-5 
64 E 
73(1 
1-5 
N. 
NW. 
NNW. 
40 
80-0 
77-0 
774 
76 7 
•958 
•82! 
•902 
■868 
79 
68 
9l 
83 
.18 
6 
8 
.0 
Pk, c. 
I’k, c. 
Pk, 0 . 
85-0 
83-0 
800 
81-1 
88-0 
78-5 
11-6 
150-0 
62-0 
73 5 
3 0 
E. 
NNW. 
NNW. 
75 
79 0 
77-6 
•7-0 
77.; 
•91 1 
•871 
•889 
.880 
76 
77 
87 
83 
,45 
3 
10 
2 
C, c. 
I’k, 0 . 
C. b. 
82-5 
85-0 
80-5 
80-9 
88-0 
75 5 
12 0 
140 6 
62 5 
73 0 
2-6 
N, 
NW, 
S. 
40 
79-c 
79 l 
77 0 
77.9 
•945 
•911 
■882 
•884 
85 
76 
85 
81 
.10 
s 
8 
6 
P, c. 
P, c. 
Pk, c. 
36 0 
88'0 
8 l-(i 
804 
900 
766 
1 3 5 
1476 
57-5 
74-5 
2*0 
SSE. 
E. 
N. 
40 
79 '5 
50 0 
78-0 
77.1 
920 
•917 
.920 
•891 
74 
68 
87 
79 
... 
3 
3 
4 
Cs, c. 
Cs, c. 
Cs, c. 
870 
89.0 
80-5 
80-6 
90-0 
75 0 
15-0 
153-5 
03 "5 
74 0 
10 
N. 
N, 
S. 
95 
79-0 
500 
78-0 
77.fi 
•884 
•903 
■927 
■873 
69 
66 
89 
78 
... 
3 
6 
8 
C, c. 
Pk, c. 
Pk, 0 . 
86-0 
89 6 
810 
82-7 
91-6 
76-5 
16.0 
157-0 
65*6 
740 
1-6 
S. 
w. 
S. 
50 
80-0 
*00 
79 0 
78. 
’958 
•897 
•966 
•905 
79 
65 
91 
81 
k * * 
3 
6 
2 
C, c. 
P, c. 
C b. 
34.5 
90-0 
80-5 
82-7 
920 
76-0 
160 
162-0 
70-0 
74-0 
20 
NE. 
NE. 
W. 
60 
80-0 
60-5 
79 0 
75.0 
•966 
■914 
•972 
•921 
81 
66 
93 
^3 
... 
3 
4 
7 
C, e. 
C, c. 
P, c. 
85 '0 
89-0 
79-0 
820 
91-0 
75-0 
160 
151-5 
60*6 
73-5 
1-5 
NE. 
NNE. 
NE. 
136 
800 
8 00 
77-6 
77.9 
•958 
•903 
-924 
•903 
79 
66 
93 
83 
3.12 
2 
3 
10 
C, b. 
Cs, c. 
P, 0 . 
34-6 
87-6 
80-7 
821 
90.4 
76*7 
14-7 
154-0 
63*6 
72-6 
31 
648 
78-8 
79*5 
77-6 
77*3 
•910 
■902 
.915 
•881 
76 
68 
89 
80 
Total 
3.7 
64 
(J 
12.11 
Highest Atmospheric Pressure 
Lowest Atmospheric Pressure 
In the Shade, f Highest Temperature 
I Lowest Temperature 
Greatest Fall of Bain in 24 hours 
29.947 IncheB 
.23.705 „ 
93.° Fah. 
73°.5 „ 
3.12 nchcfi 
* The daily Mean Temperature of air is obtained 
from the results of the observations at 9 H, 16 H, 21 
H, and Minimum Temperature. 
F. K. HAMPSIRE, 
Colonial Surgeon. 
