Barometer 
METEOROLOGICAL RESULTS OF THE BUKIT MERTAJAM HOSPITAL OBSERVATORY, FOR THE MONTH OF DECEMBER 1890. 
5 ° 2V N ‘ Lat '> 100 ° 28 ' & " E - Lon 9 ■ Heigh t of Bar Cistern above Sea Level , 43 ft . 
Wind. 
-reduced 
TO 32 0 
Date 
a 
a 
a 
10 
1 
04 
Ins. 
Ins. 
Ins. j 
t 
29-864 
29-802 
29854 
2 
•873 
■755 
*865 
5 
•861 
•742 
•8 60- 
4 
■879 
•750 
•87 ll 
6 
•842 
•735 
•793 
6 
•922 
•778 
•796 
7 
•871 
■737 
•857 
8 
•922 
•778 
■796 
9 
•899 
•742 
■865 
10 
•881 
•732 
•853 
11 
•917 
*782 
•869 
12 
‘899 
•785 
•867 
13 
■917 
*787 
•867 
14 
•900 
•787 
•360 
IS 
•902 
•754 
*812 
16 
•895 
•7(59 
•860 
17 
■856 
•770 
•851 
18 
*851 
•761 
•841 
19 
■835 
•755 
•853 
20 
'870 
•788 
•840 
21 
•879 
• ‘781 
•850 
22 
•799 
•723 
•800 
S3 
•801 
•710 
•794 
24 
*809 
■743 
•823 
25 
■818 
•755 
•850 
26 
•791 
•722 
•798 
27 
•882 
•774 
■856 
28 
■828 
•749 
•826 
29 
•839 
•761 
•854 
30 
•927 
•787 
*879 
31 
•918 
‘7U3 
*896 
Mean. 
29-872 
29 757 
29-872 
PI 
eg 
Ins 
23 840 
•831 
817 
833 
7sK> 
832 
821 
832 
8 35 
822 
856 
850 
857 
849 
832 
841 
825 
8 ! 7 
815 
832 
83(1 
774 
788 
791 
807 
770 
837 
Temperature op Air. 
8 18 
H04 
836 
29 833 
eU 
3i 
°F, 
83‘5 
83-0 
83-0 
83-0 
80-0 
80 0 
83-5 
800 
83- 0 
80*0 
810 
84- 0 
82-0 
84 0 
84 0 
83- 0 
,-'4 *5 
75-5 
80 0 
83 0; 
84“ 1 1 
83 0 
84- 5, 
86'0 
86 -ul 
82- 5 j 
83- 5 
a 
°F. 
89'0 
86-0 
85-0 
87-0 
850 
85.0 
84- 0 
85- 0 
85-0 
80’0 
so-5 : 
yoo 
84-0 
87-5 
87-5 
89-0 
M 
°F. 
77- 5 
7 7 *5 
78- 0i 
77-0 
77- 0 
75 ’0 
79- 0 
75- 0 
79-0| 
76- 0 
73-0 
7 8’0 
77 6, 
78- 0 
79 0 
78-0 
77- 0 
81 0 77-0 
85 5 784J 
86-5 79-6 
84- 5, 77-0 
82 0 78*5 
37 5 7(5 0 
85- 0 76-5 
87*0 79*0 
88*5 76 0 
83 5 78*5 
801 86-0 
85-0 
83 5 
80 *6 
82-0 77-U 
85 5 7(5 0 
9 (, '0 
88 "5 
83-0 85 0 
76‘5 
77-6 
77-0 
a 
«3 
© 
a 
°F. 
83- 3 
82-1 
82*0 
820 
80-6 
80 0 
820 
80-0 
82 0 
78-5 
79 5 
84- 0 
81-0 
83' 1 
83 -5 
83 '3 
81 0 
77-8 
e-3 1 
83 0 
82 0 
81-1 
82 6 
82-0 
is 4-0 
82-3 
81- 5 
81 (5 
82- 1 
80- 3 
81- 2 
81 0 
a 
3 
.9 
aj 
°F. 
90-5 
890 
89-5 
91*0 
89 - 0 
90 - 0 
88*6 
900 
89 U 
85 5 
87- U 
9 1 0 
900 
91 o | 
91 - 0 
91-0 
85 5 
81*5 
90 5 
91 - 5 
89 '0 
890 
90 0 
90 6 
890 
91 0 
900 
90-6 
88- 5 
89 o| 
92 - 5 
a 
pi 
a 
•iH 
.s 
a 
© 
be 
pi 
si 
a 
°F. 
75*01 
73'5 16-5 
730 1(5'5 
73 5 
73- 6 
72-5 
74- 5 
17-5 
15 '5 
17'5 
M'O 
72 5, L 7 *0 
73 0 
740 
740 
lih 
73 0 
74-6 
73'5 
74 -0 
7 3 '6 
72-6 
/ 3-5 
72*0 
73 o 
72'5 
72-5 
74-0 
74 5 
16 0 
1 F 6 
130 
1(5-5 
170 
16'6 
It '6 
170 
150 
9-u 
17 0 
19 '5 
15 '6 
165 
17 
16'6 
14*6 
70 0 21 0 
73*5 16'5 
75'0 16-5 
72-6 160 
715 180 
7 i'5 210 
890 73 0 160 
Temperature 
of 
Radiation. 
§ 
CG 
PI 
a 
n . 
g*§ 
1.3 
2 cc 
2 O 
% § 
CO 
CO 
a 
A ± 
S5 3 
2 3 
—* 'X 
S3 21 
S3 r*3 
3 c 
°F. 
°F. 
°F. 
°F. 
140'0 
50 '0 
7 3 '5 
1 
132-0 
43-0 
72*5 
10 
1 38-0 
48-5 
72*0 
137*0 
46 0 
73-0 
0*5 
135 0 
4G‘0 
73-0 
0-5 
1 30-U 
400 
7lo 
Iv 
1 33-0 
49-5 
74-0 
0 6 
130-0 
40 0 
71-5 
1-0 
145-0 
56 ‘0 
72-5 
O' 5 
1 23'iJ 
138'0 
1 30*0 
139 0 
1 37*0 
1410 
1520 
96-0 
112 0 
1 46-5 
1460 
1400 
1430 
140-0 
1430 
1430 
142 5 
142 '5 
H0‘5 
140 0 
1530 
124 i> 38- 
36*0 
470 
40*01 
480 
46-0 
50-0 
44-0 
14.5 
21-5 
65-0 
6 70 
61 0 
530 
49 5 
540 
620 
52-5 
52-0 
62'0 
1330 
60-5 
440 
1 2-o 
73‘U 
73- 0 
72- 0 
74- 0 
72*6 
73- 5 
730 
71- 5 
720 
71 O 
73- 5 
720 
71*5 
730 
74- 0 
69-0 
72- 5 
73- 5 
7 1-5 
68-0 
680 
720 
1 *o 
i 0 
1 6 
10 
0*5 
L-0 
0- 7 
u*.> 
10 
1- 5 
1-0 
•0 
0- 5 
1*0 
1 - 0 
0- 5 
1- 0 
1*0 
1-6 
1*0 
3*6 
45 
10 
In the shiule, 
Highest Atmospheric Pressure 
Lowest Atmospheric Pressure 
\ Highest Temperature 
1 Lowest Temperature 
Greatest Fall of Kain in 24 hours 
Direction, 
9 H. 
HH 
b-H 
a 
CM 
Total Miles. 
SW. 
SW. 
SW. 
6 
NW. 
SSE. 
NW. 
6 
Calm. 
SW. 
Calm, 
3 
SW. 
SW. 
Calm. 
12 
SW. 
Calm. 
SW. 
8 
Calm. 
SW. 
Calm. 
7* 
Calm- 
Calm. 
Calm. 
Calm. 
SW. 
Calm. 
7 1 
• i 
Calm. 
SW. 
Calm. 
5 
Calm- 
SW. 
Calm. 
6 
Calm. 
Calm, 
Calm, 
Cal in. 
wsw. 
Calm. 
44 
Calm. 
SW. 
SW. 
14 
Calm. 
N. 
Calm. 
7 
Calm. 
NX W. 
Calm. 
Calm. 
w. 
NW. 
9| 
SW. 
Calm. 
NNE. 
1 1.5 
NNW. 
Calm. 
Calm. 
15 
Calm. 
sww. 
Calm. 
10.6 
sws. 
Calm. 
Calm, 
82 
SSE. 
Calm. 
Calm. 
9 
Calm. 
SWW. 
Calm, 
13-7 
NNW. 
NWW. 
Calm. 
11.1 
Calm. 
NW. 
Calm , 
2 
Calm. 
NNW. 
Calm. 
1 6-5 
NEN. 
SWW. 
Calm. 
12-6 
Calm. 
Calm. 
SWW. 
6 
Calm . 
SW. 
Calm. 
4-5 
ssw. 
>sw, 
CaJ m . 
4 
SSE. 
ssw. 
Calm. 
55 
NNE. 
NNE. 
E. 
125 
13 
Velo- 
city. 
Temperature of 
Evaporation. 
, »o 
°F. : 
79-0 
780 
80 0 
78 0 
79 0 
79 0 
78-6.1 
79 0 
78-0' 
7 6-5 
780 
780 
78*0 
78-5 
78*5 
790 
78- 0 
74 5 
79- 5 
780 
78- 5 
770 
7(5-0 
79- 0 
78*6 
75 5 
780 
795 
7 9 0 
”65 
7 8 ‘5 
°F. 
800 
800 
80- 5 
80 0 
81- 0 
80 0 
80-0 
80-0 
80-0 
78-0 1 75-6 
°F. 
77- t 
78*0 
7 7*0 
76-0 
760 
74*5 
78 - 0 
74 5 
78-0 
790 
80-0 
790 
80-0 
840 
80-5 
79 5 
77- 5 
7 9 -t» 
78- 6 
79- 0 
70 5 
770 
77-0 
77-0 
76-0 
7 6*6 
77 0 
76-5 
760 
74-0 
770 
76-0 
7(5-6 
76*5 
71-0 
790 74 6 
790 
80-5 
79 0 
79- 0 
790 
77-5 
80- 0 
78 0 79 0 
77-5 
7 4 -5 
77 -5 
76 0 
75 0 
74-5 
76-5 
76 0 
29*927 Inches. 
29.703 „ 
92 °5 Fah. 
70-°0 „ 
1.46 Inches 
p| 
sS 
© 
op 
78-5 
78-0 
791 
78- 0 
7 8" 6 
77 5 
i 8 -n 
77> 
78 
76 (1 
780 
78 3 
77- 6 
78*3 
78- 8 
78-6 
77- 8 
76- 3 
78- 6 
< 7- 5 
78*0 
76 6 
75 
77- 6 
78 
76- 8 
78 
78*0 
77- 5 
76-0 
78*y 
7-0 
Computed 
Vapour Tension. 
a 
c* 
Ins. 
•932 
■893 
•985 
•893 
•979 
•979 
•909 1 
•979] 
•893 
'8(57 
*920 
*879 
•906 ! 
•902 
■902 
•938' 
•872' 
•842 
•920 
•88(5 j 
•902 
•848 
•784 
•898 
*875 
•789 
-886 
•920 
•911 
•804 
•866 
•893 
a 
lO 
*— < 
Ins, 
•903 
•944 
•981 
•931 
1*005 
•958 
•971 
*958 
■958 
•933 
■972 
•890 
•925 
•924 
•971 
•927 
101 5 
*911 
•904 
•868 
•918 
•840 
•787 
*911 
•884 
•934 
*932 
•952 
•904 
•774 
•900 
•911 
a 
*—4 
Ins 
•922 
•879 
•916 
•886 
•884 
■848 
■947 
• 8*8 
•947 
•878 
■91(5 
■916 
•879 
•894 
•902 
•894 
■886 
■801 
•916 
•852 
-901 
■837 
•814 
•842 
•914 
•835 
•931 
■886 
•856 
■814 
•850 
c 
rf 
© 
a 
Ins. 
R EL AT IV 
Humi- 
dity. 
=1 
Ji 
£l 
91981 
a 
■886 
•905 
■960 
•903 
*890 
*92' 
•942 
•928 
*932 
*892 
•93(5 
•895 
•903 
•906 
•925 
•919 
•924 
■851 
•913 
‘8(58, 
•907 
•858 
•795 
•883 
•891 
•852 
•916 
•919 
•890 
•797 
•878 
°L 
(56 
•896 
79 
37 
79 
■ 6 ' 
jg: 
• Ul 
96 
791 
35 
87 
"5 
'3 
77 
77 
83 
74 
95 
74 
79 
77 
75 
66 
72 
70 
71 
77 
74 
7G 
71 
72 
79 
% 
)8 
79 93 
81 
72 
83 
79 
83 
-79 
79 
91 9 
93 
63 
71 
74 
(38 
95 
74 
95 
95 
95 
98 
95 
98 
95 
95 
95 
79 93 
93 
91 
93 
95 
89 8(5 
95 
68 85 
7< 
77 
80 
76 
69 
69 
81 
87 
74 
57 
60 
76 
95 
91 
91 
95 
93 
93 
95 
95 
95 
91 
87 
95 
(3 
(S 
© 
a 
% 
81 
82 
89 
82 
91 
9L 
85 
91 
84 
1-1 
91 
77 
85 
80 
80 
81 
86 
90 
84 
77 
80 
81 
72 
81 
77 
77 
84 
85 
81 
73 
75 
83 
Cloui 
0 TO 1( 
R.A! N 
L SOK- 
ES. 
. 
a 
j; 
15 11. 
a 
>1 
— 
— 
— 
— 
.25 
3 
8 
8 
.40 
8 
4 
4 
- • ■ 
2 
3 
0 
■ • • 
2 
4 
4 
,55 
2 
9 
lo 
, , . 
U 
4 
6 
• * • 
2 
4 
8 
,, , 
6 
7 
8 
... 
2 
2 
4 
... 
4 
4 
9 
... 
V 
6 
8 
4 
5 
6 
4 
2 
6 
2 
2 
8 
• ■ * 
3 
8 
b 
■ . • 
4 
4 
G 
0 
6 
1 
.45 
7 
10 
10 
... 
8 
5 
6 
,,, 
5 
6 
8 
< * c 
1 
6 
1 4 
• » » 
4 
3 
2 
5 
3 
7 
8 
8 
7 
3 
3 
5 
5 
7 
8 
4 
6 
8 
5 
6 
8 
5 
4 
6 
2 
4 
6 
1.45 
4 
5 
6 
- 

— 
— 
Total 
310 
4 
3 
6 
Cloud & W rather 
Initials. 
ra 
< 
Ol 
© 
*-1 
O 
© 
a 
C, c. 
Ck, b. 
CS; b. 
C. b. 
Cs, b. 
Cs, b. 
Ck, c. 
Ck, c. 
l \ b. 
C, c. 
Cs, b. 
Ck, c, 
Cs, b. 
Cs, b. 
Ck, c. 
Cs, c. 
Cs, b. 
Pc, 0 . 
Cs, b. 
Cs, b. 
Cs, b. 
Ck, c. 
Ck, c. 
Cs, b. 
Cs, b. 
Ck, c. 
Cs, b. 
Cs, b, 
Cs, b. 
Cs, b. 
Ck, c. 
3 
Ah' 
Kt 
O 
s 
Pk, c. 
Pc, c. 
Ck, c. 
C. b. 
Ck, c. 
Ck, c. 
Cs, b. 
Cs, b. 
C, b. 
Pc, c. 
Ck, c. 
Pk, c. 
Ck, c. 
Ck, c. 
Pc, c. 
Ck, c. 
Ck, c. 
Po, o, 
Ck, c. 
Ck, c. 
Ck, c. 
Cs, b, 
Cs, b. 
Ck, c. 
Ck, c. 
Cs, b. 
Ck, c. 
Ck, c. 
Ck, c. 
Ck, c. 
Cs, c. 
S 
cs 
a> 
A) 
Pc, C. 
Ck, c. 
b. 
Cs, b. 
Cs, b. 
Pk, c. 
Pk, c. 
Cs, c. 
Cs, b. 
Pk, o. 
Pc, c. 
< ; s, b. 
Cs, b, 
Cs, b. 
Pk, c. 
Cs, b. 
Cs, b. 
Pk, o. 
Cs, b. 
Ck, c. 
Ck, c. 
Ck, o, 
( k, c, 
Ck, c . 
Cs, b. 
Ck, c. 
Cs, b. 
Ck, c. 
Pc, c. 
Cs, b. 
Cs, b. 
*The daily Mean Temperature of air is obtained 
from the results of the observations at 9 II, 15 H, 21 
ii, and Minimum Temperature. 
J. H, McCLOSRY, 
Colonial Surgeon. 
