TEMPERATURE FARENHEIT.
PLAGUE CASES PER DAY
TEMPERATURE AND PLAGUE.- May, 1903.
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
94
92
90
88
86
84
82
80
78
76
74
+ 2 *
72
70
68
Mean
Max:
66
64
62
60
58
56
Mean temperature for the month 75-4° F.
Min:
54
52
50
48
46
44
42
40
50
48
46
44
42
40
38
36
34
32
30
28
26
24
20
18
2 = *** 22 *
16
14
12
10
8
6
4
2
Ο
DATE.
1 23 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