PHYSICAL ASPECTS OF ADEN. 
37 
Isthmus. 
Months. 
1873-74 
• | 
1874-75. 
1875-76 
• 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
April . 
97 
82 
89'5 
89 
79 
84 
86 
83 
84-5 
May . 
. 
88 
84 
86 
96 
83 
89-5 
90 
87 
88*5 
June . 
, 
93 
87 
90 
101 
86 
935 
93 
89 
91 
J uly . 
. 
93 
88 
90-5 
99 
83 
91 
93 
88 
90-5 
August 
93 
87 
90 
97 
82 
89-5 
92 
86 
89 
September 
• i 
90 
85 
87-5 
98 
84 
91 
90 
87 
88*5 
October 
• 
85 
80 
82*5 
92 
77 
84-5 
86 
77 
81*5 
No vet nber 
81 
78 
79-5 
85 
73 
79 
81 
78 
795 
December 
79 
76 
77*5 
81 
72 
76-5 
78 
76 
77 
January 
• 
78 
75 
76-5 
80 
71 
7-3-5 
78 
76 
77 
Februaiy 
80 
77 
78*5 
80 
74 
77 
77 
74 
755 
March 
82 
79 
8.-5 
87 
79 
83 
81 
80 
80’5 
A verage 
• 
86-5 
81-5 
84 
90’4 
! 
78‘5 
84'5 
85*4 
82-6 
83*4 
Steamer Point, 
M onths. 
1873-74. 
18/4-75. 
1875-76. 
Maxi- 
mum. 
j Mini- 
mum. 
Mean. 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
Maxi- 
mum. 
Mini- 
mum. 
Mean. 
April . 
90 
79 
84-5 
88 
78 
83 
90 
80 
85 
May 
9 
91 
83 
c7 
93 
85 
89 
92 
83 
87-5 
J une . 
# 
93 
84 
88-5 
95 
81 
89-5 
93 
86 
89-5 
July . 
92 
84 
88 
92 
82 
87 
90 
81 
87 
August 
, 
92 
85 
88-5 
88 
80 
84 
90 
82 
86 
September 
• 
t 
91 
84 
87-5 
93 
84 
88-5 
93 
85 
89 
October 
• 
88 
77 
82-5 
89 
78 
83-5 
89 
79 
84 
November 
• 
, 
84 
76 
80 
84 
74 
79 
86 
74 
80 
December 
81 
74 
77-5 
82 
72 
77 
82 
73 
77-5 
January 
80 
74 
77 
80 
70 
75 
81 
75 
78 
February 
• 
82 
75 
78-5 
81 
70 
77’5 
81 
75 
78 
March 
• 
• 
86 
77 
81-5 
86 
76 
81 
84 
77 
80-5 
Average 
• 
• 
87-5 
79-3 
83-4 
87-6 
77-7 
82-6 
87-8 
79-4 
83-5 
