Plague CASES PER DAY
TEMPERATURE FARENHEIT.
DATE: 1
2 3 4 5 6 7 8
TEMPERATURE AND PLAGUE.— March 1903.
1
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
94
92
90
88
86
84
82
80
78
76
74
72
70
68
66
64
62
60
58
56
54
52
50
48
Mean temperature for the month 66.3° F.
46
44
42
40
50
48
46
44
42
40
38
36
34
32
30
28
26
24
22
20
200 2 2 2 2 2 2 2 *
18
16
14
12
10
8
6
4
DATE. 1 2
3
4 5 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
29 30
Max:
*Mean
Min: